Post on 22-Jul-2020
transcript
BSWA
RODUCTPATALOGC
Impedance T
ube
Sm
all
Reverb
era
tion C
ham
ber
Audio
Testing S
oft
ware
Art
ifici
al E
ar
& M
outh
Sim
ula
tors
Ear
Speake
r Te
stin
g B
ox
Loud S
peake
r Te
stin
g B
ox
Art
ifici
al H
ead
Mid
-Fre
quency
Volu
me S
ourc
e
Om
ni-S
ound S
ourc
e &
Pow
er
Am
plifi
ers
Tappin
g M
ach
ine
Dosim
ete
r
Sound L
eve
l Mete
r
Outd
oor
Nois
e M
onito
ring T
erm
inal
Outd
oor
Nois
e M
onito
ring S
oft
ware
Cable
s
Acce
ssories
AUD
IO T
ESTI
NG
CA
BLE
S
OUTD
OO
R N
OIS
E M
ON
ITO
RIN
G
SO
UN
D L
EVEL
METE
R &
DO
SIM
ETE
R
SO
UN
D S
OURC
ES
Mic
rophones
Ove
rall
Intr
oduct
ion
Pre
pola
rize
d M
icro
phones-
Fre
e F
ield
Pre
pola
rize
d M
icro
phones-
Pre
ssure
Fie
ld &
Diff
use
Fie
ld
200V
Pola
rize
d M
icro
phones
Pre
am
plifi
ers
MP
A S
eries
Mic
rophones
MK
V S
eries
Mic
rophones
Mic
rophone C
onditi
onin
g U
nits
Surf
ace
Mic
rophone
TE
DS
Reader
& W
rite
r
Sound I
nte
rsity
Pro
be
Outd
oor
Mic
rophones
Stu
dio
Mic
rohones
Sound C
alib
rato
rs
Hig
h S
ound P
ress
ure
Calib
rato
r &
Full
Fre
quency
Couple
r
Ele
ctro
static
Act
uato
r/P
ow
er/
Calib
ratio
n S
tand
Mic
rophone A
rrays
Cust
om
ized M
icro
phone A
rrays
Mic
rophone S
pherica
l Surf
ace
Fix
ture
for
Sound P
ow
er
Test
ing
Turn
table
& D
/A C
onve
rter
for
Dig
ital M
icro
phone T
est
ing
Data
Acq
uis
ition H
ard
ware
VA
-Lab S
oft
ware
2-3
4-5
6-7
8-9
10-1
1
12-1
3
14-1
5
16-1
7
18-1
9
20
21
22
23
24
25
26
27
28
29
30
31
32-3
3
34-3
5
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
CO
MPA
NY IN
TRO
DUC
TIO
N
REA
L TI
ME A
NA
LYZERS
MATE
RIA
L TE
STI
NG
DEVIC
ES
AC
CESSO
RIE
S
AB
LE
OF
C
ON
TE
NT
ST
AB
LE
OF
C
ON
TE
NT
ST
MIC
RO
PH
ON
ES
Com
pany
intr
oduct
ion
23
Researc
h &
Develo
pm
en
t
As
a t
ech
no
log
y-le
ad
ing
co
mp
an
y, B
SW
A i
nve
sts
he
avily
in
pro
du
ct
rese
arc
h a
nd
de
ve
lop
me
nt.
BS
WA
hir
es
skill
ed
in
div
idu
als
, m
ost
wit
h M
.S.
an
d P
h.D
. d
eg
ree
s i
n a
co
us
tic
s a
nd
re
late
d
scie
nce
s. T
his
re
sults
in n
ot
on
ly a
n i
ncr
ed
ibly
kn
ow
led
ge
ab
le t
ea
m o
f d
ev
elo
pe
rs a
nd
tech
nic
ian
s,
bu
t a
lso
a t
ea
m t
ha
t is
dyn
am
ic,
hig
hly
mo
tiv
ate
d,
an
d a
ble
to
de
ve
lop
an
d
manufa
cture
hig
h q
ualit
y pro
duct
s.
BS
WA
is c
ontin
uousl
y im
pro
ving it
s pro
duct
s w
hile
de
ve
lop
ing
ne
w o
ne
s i
n r
esp
on
se
to
cu
sto
me
r
ne
ed
s.
Fro
m t
his
ne
w c
ata
log
ue
, yo
u w
ill f
ind
ma
ny
ne
w p
rod
uct
s su
ch a
s A
Bo
x26
0 /
38
0 f
or
mo
bile
ph
on
e t
est
ing
; C
A9
16
act
ive
co
up
ler
fro
m
mic
rop
ho
ne
ca
libra
tio
n;
ne
w f
ea
ture
s in
AV
-La
b
soft
ware
; C
A11
1 n
ew
calib
rato
r; B
SW
A308 s
ound
leve
l m
ete
r, a
nd
ma
ny
mo
re.
BS
WA
str
ive
s fo
r
exce
llen
ce
in
pro
du
ct
de
sig
n r
esu
ltin
g i
n h
igh
qu
alit
y a
nd
exc
ep
tion
al
pe
rfo
rma
nce
. T
he
la
test
info
rmatio
n a
bout
BS
WA
can b
e f
ound a
t:
ww
w.b
sw
a-t
ech
.co
m
We
lco
me
to
BS
WA
Pro
du
ct C
ata
log
ue
wh
ich
co
vers
a
full
range o
f aco
ust
ic m
easu
rem
ent
devi
ces.
The p
roduct
s
are
sort
ed in
to e
asy
-to-f
ollo
w s
ect
ions:
Mic
rophones
Sound level m
ete
r
Measu
ring s
yste
ms
Mate
rial t
est
ing
Audio
testing
Outd
oor
monito
ring s
yste
ms
Sound s
ourc
es
Cable
and a
ccessories
Es
tab
lis
he
d i
n 1
99
8,
BS
WA
Te
ch
no
log
y C
o.,
Ltd
. is
be
co
min
g t
he
pre
ferr
ed
su
pp
lie
r fo
r y
ou
r a
co
us
tic
al
me
asu
rem
en
ts.
Wit
h h
ea
dq
ua
rte
r lo
ca
ted
in
Be
ijin
g,
BS
WA
cu
rre
ntly
em
plo
ys 1
00
sta
ffs
with
bra
nch
offi
ces
in
Sh
an
gh
ai, G
ua
ng
zho
u,
an
d C
he
ng
du
. B
SW
A’s
pro
du
cts
are
dis
trib
ute
d i
n o
ve
r 4
0 c
ou
ntr
ies t
hro
ug
h o
ur
sa
les
part
ners
.
Pro
du
cti
on
BS
WA
's p
rod
uct
ion
fa
cilit
y is
lo
cate
d 3
0 k
m f
rom
ce
ntr
al
Be
ijin
g a
nd
in
clu
de
s o
ver
12
00
m2 o
f fl
oo
r sp
ace
. T
he
faci
lity
com
prise
s m
anufa
cturing a
reas,
test
ing la
bora
tories,
en
viro
nm
en
tal
cha
mb
ers
, a
fu
ll a
ne
cho
ic c
ha
mb
er,
an
d
a c
lea
n r
oo
m.
All
pro
du
cts
are
in
div
idu
ally
te
ste
d t
o m
ee
t
BS
WA
's h
igh s
tandard
s in
qualit
y and p
erf
orm
ance
.
Qu
ali
ty
BS
WA
is
fully
com
mitt
ed t
o Q
ualit
y M
anagem
ent
ensu
ring
tha
t e
very
pro
du
ct m
ee
ts s
tric
t st
an
da
rds
in p
erf
orm
an
ce.
BS
WA
contin
ues
to in
vest
in n
ew
mach
ine t
ool t
ech
nolo
gy,
ne
w m
eth
od
s o
f ca
libra
tio
n,
an
d n
ew
pro
ce
ss c
on
tro
l
me
tho
ds
to f
urt
he
r m
icro
ph
on
e a
nd
re
late
d e
qu
ipm
en
t
tech
no
log
y w
hile
re
du
cin
g m
an
ufa
ctu
rin
g c
ost
s. B
SW
A
was
aw
ard
ed I
SO
9001 C
ert
ifica
te f
rom
TÜ
V in
2009.
COM
PANY
IN
TR
OD
UCT
ION
BS
WA
TE
CH
NO
LO
GY
Est
ab
lish
ed
by
five
aco
ust
ic
en
gin
ee
rs p
art
ne
red
wit
h
Inst
itute
of A
coust
ics
- 1998
Acq
uired m
icro
phone
busi
ness
fro
m I
OA
. -
2002
Exp
an
de
d m
icro
ph
on
e
pro
du
ct
lin
e,
lau
nch
ed
MP
s
erie
s
-
20
04
Ne
w t
ap
pin
g m
ac
hin
e
an
d o
mn
i-d
ire
cti
on
al
so
un
d s
ou
rce
-20
11
Do
sim
ete
r b
as
ed
o
n
iPh
on
e a
nd
An
dro
id
sm
art
ph
on
es
-20
12
Launch
ed V
A-L
ab
measure
ment
soft
ware
-2007
R-C
abin
Sys
tem
-2009
SLM
and
Calib
rato
r-2010
Built
anech
oic
cham
ber
for
Lenovo
Com
pute
rs -
2001
First
Inte
rNois
e S
how
in K
ore
a -
2003
Launched im
pedance
tube m
easure
ment
syst
em
-2005
Launched O
utd
oor
Nois
e M
onito
ring
Sys
tem
-2008
2012
1998
3
45
Measu
rem
ent
mic
rophones
can b
e d
ivid
ed into
thre
e g
roups:
Fre
e-fi
eld
, P
ress
ure
-field
, and R
andom
-inci
dence
.
Th
e d
iffe
ren
ce
of
the
te
sti
ng
re
su
lts
by
th
ree
ty
pe
s o
f
me
asu
rem
en
t m
icro
ph
on
es
wo
uld
be
sm
alle
r th
an
0.3
dB
wh
en
th
e f
req
ue
ncy
to
be
me
asu
red
is
low
er
tha
n 5
00
0H
z;
wh
ile
th
e d
iffe
ren
ce
co
uld
be
la
rge
r th
an
10
dB
if
the
fre
qu
en
cy t
o b
e m
ea
sure
d i
s h
igh
er
tha
n 1
60
00
Hz.
So
it
is
cru
cia
l to
ch
oo
se
th
e r
igh
t m
icro
ph
on
e t
o g
et
an
accu
rate
measu
rem
ent
resu
lt.
Fre
e-fi
eld
Mic
rop
ho
nes
A m
icro
phone c
an c
hange the s
ound fi
eld
in w
hic
h it
is p
lace
d.
A f
ree
-fie
ld m
icro
ph
on
e i
s d
esi
gn
ed
to
co
mp
en
sate
fo
r th
e
influ
ence
of
its p
rese
nce
in t
he s
ound fi
eld
. S
o it
can m
easu
re
the
so
un
d p
ress
ure
as
it e
xist
s b
efo
re t
he
mic
rop
ho
ne
is
intr
od
uce
d i
nto
th
e s
ou
nd
fie
ld a
nd
ca
n b
e u
se
d i
n s
uch
en
viro
nm
en
ts a
s o
utd
oo
rs,
an
ech
oic
ro
om
, o
r re
verb
era
tion
room
.
Pre
ssu
re-fi
eld
Mic
rop
ho
nes
A p
ress
ure
-field
mic
rophone c
an m
easu
re t
he s
ound p
ress
ure
exi
stin
g o
n t
he d
iaphra
gm
of
the m
icro
phone.
It c
an b
e u
sed
in a
co
up
ler
en
vir
on
me
nt
su
ch
as a
n e
ar
sim
ula
tor
or
to t
est
the s
ound p
ress
ure
on a
surf
ace
.
Ran
do
m-i
ncid
en
ce M
ico
ph
on
es
On
ly A
NS
I s
tna
da
rds
re
qu
es
t fo
r ra
nd
om
-in
cid
en
ce
mic
rop
ho
ne
s.
A r
an
do
m-i
nc
ide
nc
e m
icro
ph
on
e m
ay
be
req
uir
ed
to
ma
ke
th
e m
ea
su
rem
nts
ac
co
rdin
g t
o A
NS
I
standard
s.
MIC
RO
PH
ON
ES
Ov
er
all In
tr
od
uc
tio
n
A m
icro
phone i
s an a
coust
ic-t
o-e
lect
ric
transd
uce
r or
sen
sor
tha
t co
nve
rts
sou
nd
in
to a
n e
lect
rica
l si
gn
al.
Mo
st m
icro
ph
on
es
use
th
e c
ha
ng
e o
f ca
pa
cita
nce
cau
sed
by
the
dia
gra
ph
am
me
cha
nic
al
vib
ratio
n t
o
pro
du
ce a
n e
lect
rica
l vo
ltag
e s
ign
al.
In a
co
nd
en
ser
mic
rop
ho
ne
, th
e d
iap
hra
gm
act
s a
s o
ne
pla
te o
f a
capaci
tor,
and t
he v
ibra
tions
pro
duce
changes
in t
he
dis
tan
ce b
etw
ee
n t
he
pla
tes.
Th
ere
are
tw
o t
ype
s o
f
mic
rophones
of
this
kin
d:
Pre
-pola
rize
d M
icro
phones
and 2
00V
Pola
rize
d M
icro
phones.
Pre
-po
lari
zed
Mic
rop
ho
nes
A n
ea
rly
co
ns
tan
t c
ha
rge
is
ma
inta
ine
d o
n t
he
cap
aci
tor.
As
the
ca
pa
cita
nce
ch
an
ge
s, t
he
ch
arg
e
acr
oss
th
e c
ap
aci
tor
do
es
cha
ng
e v
ery
slig
htly
, b
ut
at
au
dib
le f
req
ue
nci
es
it is
se
nsi
bly
co
nst
an
t. P
re-
po
lari
zed
Mic
rop
ho
ne
s d
o n
ot
ne
ed
a b
ias-
volta
ge
supply
.
200V
Po
lari
zed
Mic
rop
ho
nes
67
Model
Photo
s
Fre
e-fi
eld
1/2
″
Cla
ss I
I
20 ~
12.5
k
40
23 ~
146
< 2
3
Rear
-20 ~
80
0 ~
98%
13
45
<± 0
.3 d
B (
0 ~
40 °
C)
with
250H
z,
at
refe
rence
tem
pera
ture
23 °
C
0.0
07
-0.0
3
IEC
1094-4
Typ
e W
S2
M11
.7 –
60U
NS
MA
231 /
MA
221 /
MA
231T
Optim
ized
Dia
mete
r
Sta
ndard
s (I
EC
61672)
Fre
quency
Resp
onse
(H
z)
Open-c
ircu
it S
ensi
tivity
(m
V/P
a)
(±2dB
)
Dyn
am
ic R
ange (
dB
A)
Inhere
nt
Nois
e (
dB
A)
Ventin
g
Opera
ting T
em
pera
ture
(°C
)
Opera
ting H
um
idity
(R
H)
(With
out
Condense
d W
ate
r)
Capaci
tance
(pF
)
Equiv
ale
nt A
ir V
olu
me (
mm
3)
Tem
pera
ture
Coeffi
cient
(dB
/°C
)
Hum
idity
Coeffi
cient
(dB
/%R
H)
Pre
ssure
Coeffi
cient
(250 H
z) (
dB
/kP
a)
Dim
ensio
ns
Scre
w T
hre
ad
Matc
hin
g P
ream
plifi
ers
Fre
e-fi
eld
1/2
″
Cla
ss I
I
20 ~
12.5
k
32
28 ~
135
< 2
8
Rear
0 ~
40
0 ~
98%
25
60
<± 0
.6 (
0 ~
40 °
C)
with
250H
z,
at
refe
rence
tem
pera
ture
23 °
C
0.0
15
-0.0
6
IEC
1094-4
Typ
e W
S2
M11
.7 –
60U
NS
MA
231 /
MA
221 /
MA
231T
Fre
e-fi
eld
1/2
″
Cla
ss I
3 ~
20k
40
16 ~
146
< 1
6
Rear
-30 ~
80
0 ~
98%
16
40
0.0
05
0.0
03
-0.0
04
IEC
1094-4
Typ
e W
S2
M11
.7 –
60U
NS
MA
231
/ MA
221
/ MA
231T
Fre
e-fi
eld
1/2
″
Cla
ss I
6.3
~ 2
0k
50
16 ~
146
< 1
6
Rear
-30 ~
80
0 ~
98%
16
40
0.0
05
0.0
03
-0.0
04
IEC
1094-4
Typ
e W
S2
M11
.7 –
60U
NS
MA
231
/ MA
221
/ MA
231T
Fre
e-fi
eld
1/4
″
Cla
ss I
10 ~
70k
5
35 ~
164
< 3
5
Rear
-30 ~
80
0 ~
98%
6 0.6
0.0
09
0.0
03
-0.0
07
IEC
1094-4
Typ
e W
S3
M5.7
– 6
0U
NS
MA
401
Fre
e-fi
eld
1/4
″
Cla
ss I
10 ~
40k
2
45 ~
168
< 4
5
Rear
-30 ~
80
0 ~
98%
6 0.6
0.0
09
0.0
03
-0.0
07
IEC
1094-4
Typ
e W
S3
M5.7
– 6
0U
NS
MA
401
Fre
e-fi
eld
1/4
″
Cla
ss I
I
20 ~
16k
10
36 ~
137
< 3
6
Fro
nt
0 ~
40
0 ~
98%
6 1
<± 0
.6 (
0 ~
40 °
C)
with
250H
z,
at
refe
rence
tem
pera
ture
23 °
C
0.0
15
-0.0
6
--
M6 ×
0.5
MA
408
MP
201
MP
231
MP
215
MP
216
MP
401
MP
411
MP
418
Pre
po
lariz
ed
Mic
rop
ho
ne
s-Fr
ee
Fie
ld
MP
201 /
MP
231 /
MP
215 /
MP
216 /
MP
401 /
MP
411
/ M
P418
89
Model
Photo
s
Optim
ized
Dia
mete
r
Sta
ndard
s
Fre
quency
Resp
onse
(H
z)
Open-c
ircu
it S
ensi
tivity
(m
V/P
a)
(±2dB
)
Dyn
am
ic R
ange (
dB
A)
Inhere
nt
Nois
e (
dB
A)
Ventin
g
Opera
ting T
em
pera
ture
(°C
)
Opera
ting H
um
idity
(R
H)
(With
out
Condense
d W
ate
r)
Capaci
tance
(pF
)
Equiv
ale
nt A
ir V
olu
me (
250 H
z) (
mm
3)
Tem
pera
ture
Coeffi
cient
(dB
/°C
)
Hum
idity
Coeffi
cient
(dB
/%R
H)
Pre
ssure
Coeffi
cient
(250 H
z) (
dB
/kP
a)
Dim
ensio
ns
Scre
w T
hre
ad
Matc
hin
g P
ream
plifi
ers
Pre
ssure
-field
1/2
″
Cla
ss I
8 ~
20k
10
25 ~
146
< 2
5
Rear
-30 ~
80
0 ~
98%
12
30
0.0
08
0.0
03
-0.0
05
IEC
1094-4
Typ
e W
S2
M11
.7 –
60U
NS
MA
231 /
MA
221 /
MA
231T
Pre
ssure
-field
1/2
″
Cla
ss I
8 ~
10k
50
16 ~
146
< 1
6
Rear
-30 ~
80
0 ~
98%
16
40
0.0
08
0.0
03
-0.0
05
IEC
1094-4
Typ
e W
S2
M11
.7 –
60U
NS
MA
231 /
MA
221 /
MA
231T
Pre
ssu
re-fi
eld
1/4
″
Cla
ss I
10 ~
50k
4
35 ~
164
< 3
5
Rear
-30 ~
80
0 ~
98%
6 0.6
0.0
09
0.0
03
-0.0
07
IEC
1094-4
Typ
e W
S3
M5.7
– 6
0U
NS
MA
401
Pre
ssure
-field
1/4
″
Cla
ss I
10 ~
40k
2
45 ~
168
< 4
5
Rear
-30 ~
80
0 ~
98%
6 0.6
0.0
09
0.0
03
-0.0
07
IEC
1094-4
Typ
e W
S3
M5.7
– 6
0U
NS
MA
401
Random
-inci
dence
1/2
″
AN
SI T
ype I
6 ~
12.5
k
40
16 ~
146
< 1
6
Rear
-30 ~
80
0 ~
98%
16
40
0.0
05
0.0
03
-0.0
04
IEC
1094-4
Typ
e W
S2
M11
.7 –
60U
NS
MA
231 /
MA
221 /
MA
231T
MP
251
MP
253
MP
451
MP
471
MP
281
BS
WA
Pre
po
lariz
ed
Mic
rop
ho
ne
s-Pr
ess
ure
Fie
ld &
Diff
use
Fie
ld
MP
251 /
MP
253 /
MP
451 /
MP
471 /
MP
281
10
11
Model
Photo
s
Optim
ized
Dia
mete
r
Sta
ndard
s (
IEC
61672)
Fre
quency
Resp
onse
( H
z)
Open-c
ircu
it S
ensi
tivity
( m
V/P
a)
( ±2dB
)
Dyn
am
ic R
ange (
dB
A)*
Inhere
nt
Nois
e (
dB
A)
Ventin
g
Opera
ting T
em
pera
ture
( °
C)
Opera
ting H
um
idity
( R
H)
( W
ithout
Condense
d W
ate
r)
Capaci
tance
( p
F)
Equiv
ale
nt A
ir V
olu
me (
mm
3)
Tem
pera
ture
Coeffi
cient
( dB
/°C
)
Hum
idity
Coeffi
cient
( dB
/%R
H)
Pre
ssure
Coeffi
cient
( 250 H
z) (
dB
/kP
a)
Dim
ensio
ns
Scre
w T
hre
ad
Matc
hin
g P
ream
plifi
ers
Fre
e-fi
eld
1″
Cla
ss I
3 ~
16k
50
10 ~
147
< 1
0
Rear
-30 ~
150
0 ~
90%
66
150
0.0
02
0.0
04
-0.0
2
IEC
1094-4
Typ
e W
S1
M23.1
1 –
60U
NS
MV
201
Fre
e-fi
eld
1/2
″
Cla
ss I
4 ~
20k
40
16 ~
149
< 1
6
Rear
-30 ~
150
0 ~
95%
16
40
0.0
07
0.0
03
-0.0
1
IEC
1094-4
Typ
e W
S2
M11
.7 –
60U
NS
MV
201
Fre
e-fi
eld
1/4
″
Cla
ss I
4 ~
70k
5
35 ~
167
< 3
5
Rear
-40 ~
150
0 ~
95%
6 0.6
0.0
09
0.0
03
-0.0
07
IEC
1094-4
Typ
e W
S3
M5.7
– 6
0U
NS
MV
401
Fre
e-fi
eld
1/4
″
Cla
ss I
4 ~
70k
2
45 ~
180
< 4
5
Rear
-40 ~
150
0 ~
95%
6 0.6
0.0
09
0.0
03
-0.0
07
IEC
1094-4
Typ
e W
S3
M5.7
– 6
0U
NS
MV
401
Pre
ssure
-field
1/2
″
Cla
ss I
4 ~
10k
40
18 ~
149
< 1
8
Rear
-30 ~
150
0 ~
95%
16
40
0.0
07
0.0
04
-0.0
1
IEC
1094-4
Typ
e W
S2
M11
.7 –
60U
NS
MV
201
Pre
ssure
-field
1/4
″
Cla
ss I
4 ~
50k
4
35 ~
167
< 3
5
Rear
-40 ~
150
0 ~
95%
6 0.6
0.0
09
0.0
03
-0.0
07
IEC
1094-4
Typ
e W
S3
M5.7
– 6
0U
NS
MV
401
MK
101
MK
201
MK
401
MK
411
MK
253
MK
451
The u
pper-
limit
of
the d
ymam
ic r
ange o
f th
e 2
00V
-pola
rize
d-m
icrp
ho
nes
depends
on t
he p
ream
plifi
er
supply
volg
ate
. F
or
exa
mple
,
the u
pper-
limit
of
the M
K101 is
147 d
B if
the s
upply
volta
ge o
f its
pre
am
plifi
er
is 1
20V
BS
WA
20
0V P
ola
rize
d M
icro
pho
ne
s
MK
101 /
MK
201 /
MK
401 /
MK
411
/ M
K253 /
MK
451
12
13
Model
Photo
s
Dia
mete
r
Fre
quency
Resp
onse
(H
z) (
±0.5
dB
)
Att
enuatio
n (
dB
) (1
0 H
z ~
100k
Hz)
Input
Impedance
( G
Ω||p
F)
Outp
ut
Impedance
(Ω
)
Inhere
nt
Nois
e
Max.
Outp
ut
Volta
ge (
Vrm
s)
Supply
Pow
er
Opera
ting T
em
pera
ture
(°C
)
Opera
ting H
um
idity
(R
H)
Dim
ensio
ns
Connecto
r
Scre
w T
hre
ad
1/2
″
19 ~
150k
< 0
.1
20||0
.1
< 5
0
A W
eig
hte
d <
3 μ
V
20 H
z ~
20k
Hz
< 5
μV
5
ICC
P (
2 ~
20 m
A)
-40 ~
80
0 ~
95%
Ø12.7
× 7
4 m
m
BN
C
M 1
1.7
mm
× 6
0 U
NS
1/2
″
19 ~
150k
< 0
.1
20||0
.1
< 5
0
A W
eig
hte
d <
3 μ
V
20 H
z ~
20k
Hz
< 5
μV
5
ICC
P (
2 ~
20 m
A)
-40 ~
80
0 ~
95%
Ø12.7
× 3
1.7
mm
SM
B
M 1
1.7
mm
× 6
0 U
NS
1/2
″
19 ~
150k
< 0
.1
20||0
.1
< 5
0
A W
eig
hte
d <
3 μ
V
20 H
z ~
20k
Hz
< 5
μV
5
ICC
P (
2 ~
20 m
A)
-40 ~
80
0 ~
95%
Ø12.7
× 9
0 m
m
TN
C
M 1
1.7
mm
× 6
0 U
NS
1/4
″
19 ~
150k
< 0
.1
20||0
.2
< 5
0
A W
eig
hte
d <
3 μ
V
20 H
z ~
20k
Hz
< 5
μV
5
ICC
P (
2 ~
20 m
A)
-40 ~
80
0 ~
95%
Ø7 ×
56 m
m
SM
B
M 5
.7 m
m ×
60 U
NS
1/4
″
19 ~
150k
< 0
.1
20||0
.2
< 5
0
A W
eig
hte
d <
3 μ
V
20 H
z ~
20k
Hz
< 5
μV
5
ICC
P (
2 ~
20 m
A)
-40 ~
80
0 ~
95%
Ø7 ×
56 m
m
SM
B
M 6
mm
× 0
.5 U
NS
1/2
″
1 ~
1M
< 0
.5
10||0
.2
< 8
0
A W
eig
hte
d (
20 p
F)
< 5
μV
Z W
eig
hte
d (
20 p
F)
< 1
0 μ
V
23
28 -
120 V
DC
-10 ~
50
0 ~
95%
Ø12.7
× 8
6.6
mm
7-p
in L
EM
O
M 1
1.7
mm
× 6
0 U
NS
1/4
″
1 ~
1M
< 0
.5
10||0
.2
< 1
00
A W
eig
hte
d (
20 p
F)
< 5
μV
Z W
eig
hte
d (
20 p
F)
< 2
0 μ
V
23
28 -
120 V
DC
-10 ~
50
0 ~
95%
Ø6.3
× 6
3 m
m
7-p
in L
EM
O
M 5
.7 m
m ×
60 U
NS
MA
231
MA
221
MA
231T
MA
401
MA
418
MV
201
MV
401
Notic
e:
ICC
P =
Inte
gra
ted C
onst
ant
Curr
ent
Pow
er
Pre
am
plif
iers
MA
231 /
MA
221 /
MA
231T
/ M
A401 /
MA
418 /
MV
201 /
MV
401
14
15
Model
Photo
s
Dia
mete
r
Sta
ndard
s (I
EC
61672)
Mic
rophone
Optim
ized
Pre
am
plifi
er
Fre
quency
Resp
onse
(H
z)
Open-c
ircu
it S
ensi
tivity
(m
V/P
a)
(±2dB
)
Outp
ut
Impedance
(Ω
)
Dyn
am
ic R
ange (
dB
A)
Inhere
nt
Nois
e (
dB
A)
Opera
ting T
em
pera
ture
(°C
)
Opera
ting H
um
idity
(R
H)
Tem
pera
ture
Coeffi
cient
(dB
/°C
)
Hum
idity
Coeffi
cient
(dB
/%R
H)
Pre
ssure
Coeffi
cient
(250 H
z) (
dB
/kP
a)
Length
(m
m)
Input
Connecto
r
Corr
esp
ondin
g M
odel w
ith T
ED
S
1/4
″
Cla
ss I
Inte
gra
ted
Fre
e F
ield
Inte
gra
ted
20 ~
20k
12.5
< 1
10
35 ~
130
< 3
5
-10 ~
50
0 ~
95%
23°C
(15 ~
35 °
C):
< ±
0.3
dB
; 0 ~
40 °
C:
< ±
1.5
dB
-10 ~
50 °
C:
< ±
3.0
dB
;
with
1000H
z, a
t re
fere
nce
tem
pera
ture
23 °
C
20%
~ 9
0%
RH
: <
±0.8
dB
with
1000H
z, a
t re
fere
nce
tem
pera
ture
23 °
C,
Hum
idity
50%
RH
-0.0
6
24
SM
B
--
1/2
″
Cla
ss I
MP
201
Fre
e F
ield
MA
231(T
ED
S o
ptio
nal)
20 ~
20k
45
< 5
0
16 ~
134
< 1
6
-30 ~
80
0 ~
95%
0.0
05
0.0
03
-0.0
04
91
BN
C
MP
A261
1/2
″
Cla
ss I
MP
231
Fre
e F
ield
MA
231(T
ED
S o
ptio
nal)
20 ~
20k
40
< 5
0
17 ~
136
< 1
7
-30 ~
80
0 ~
95%
0.0
05
0.0
03
-0.0
04
91
BN
C
MP
A271
MP
A201
MP
A231
MP
A215
MP
A401
MP
A416*
MP
A436*
MP
A418
*The M
PA
416 &
MP
A436 a
re t
he m
ost
suita
ble
models
for
arr
ay
use
s. T
he f
requency
resp
onse
s m
eet
the I
EC
61672 C
lass
1 r
equirem
ents
.
1/2
″
Cla
ss
II
MP
215
Fre
e F
ield
MA
231(T
ED
S o
ptio
nal)
20 ~
12.5
k
40
< 1
10
23 ~
135
< 2
3
-20 ~
80
0 ~
95%
<± 0
.3 d
B (
0 ~
40 °
C)
with
250H
z, a
t re
fere
nce
tem
pera
ture
23 °
C
0.0
07
-0.0
3
91
BN
C
MP
A265
1/4
″
Cla
ss I
I
MP
418
Fre
e F
ield
MA
418
20 ~
16k
10
< 1
10
36 ~
135
< 3
6
0 ~
40
0 ~
98%
<± 0
.6 (
0 ~
40 °
C)
at
refe
rence
tem
pera
ture
23 °
C
0.0
15
-0.0
6
64
SM
B
--
1/4
″
Cla
ss I
MP
401
Fre
e F
ield
MA
401
20 ~
70k
5
< 1
10
35 ~
155
< 3
5
-20 ~
80
0 ~
98%
-0.0
09
0.0
03
-0.0
07
67
SM
B
--
1/4
″
Cla
ss I
Inte
gra
ted
Fre
e F
ield
Inte
gra
ted
20 ~
20k
50
< 1
10
29 ~
127
< 2
9
-10 ~
50
0 ~
95%
15 ~
35 °
C:
< ±
0.3
dB
; 0 ~
40 °
C:
< ±
1.5
dB
; -1
0 ~
50 °
C:
< ±
3.0
dB
;
with
1000H
z, a
t re
fere
nce
tem
pera
ture
23 °
C
20%
~ 9
0%
RH
: <
±0.8
dB
with
1000H
z, a
t re
fere
nce
tem
pera
ture
23 °
C,
Hum
idity
50%
RH
-0.0
6
61
SM
B
MP
A466
MPA
Se
ries
Mic
rop
ho
ne
s
MP
A201 /
MP
A231 /
MP
A215 /
MP
A416 /
MP
A436 /
MP
A418 /
MP
A401
16
17
Model
Photo
s
Dia
mete
r
Sta
ndard
s (I
EC
61672)
Mic
rophones
Optim
ized
Pre
am
plifi
ers
Fre
quency
Resp
onse
(H
z)
Open-c
ircu
it S
ensi
tivity
(m
V/P
a)
(±2dB
)
Outp
ut
Impedance
(Ω
)
Dyn
am
ic R
ange (
dB
A)
Inhere
nt
Nois
e (
dB
A)
Opera
ting T
em
pera
ture
(°C
)
Opera
ting H
um
idity
(R
H)
(with
out
condense
d w
ate
r)
Tem
pera
ture
Coeffi
cient
(dB
/°C
)
Hum
idity
Coeffi
cient
(dB
/RH
)
Pre
ssu
re C
oeffi
cient
(250 H
z) (
dB
/kP
a)
Mic
rophone L
ength
(m
m)
Connecto
r
Cable
Length
(m
)
Matc
hin
g P
ow
er
Supply
Corr
esp
ondin
g M
odel w
ith T
ED
S
1″
Cla
ss I
MK
101
Fre
e F
ield
MV
201(w
ith a
dapto
r)
3 ~
16k
50
< 8
0
14 ~
147
< 1
4
-10 ~
50
0 ~
90%
0.0
02
0.0
04
-0.0
2
110
7-p
in L
EM
O
2
MC
711
/ M
C722
MK
V161
1/2
″
Cla
ss I
MK
201
Fre
e F
ield
MV
201
4 ~
20k
40
< 8
0
16 ~
149
< 1
6
-10 ~
50
0 ~
90%
0.0
07
0.0
03
-0.0
1
105
7-p
in L
EM
O
2
MC
711
/ M
C722
MK
V261
1/4
″
Cla
ss I
MK
401
Fre
e F
ield
MV
401
4 ~
70k
5
< 1
00
35 ~
146
< 3
5
-10 ~
50
0 ~
90%
0.0
09
0.0
03
-0.0
07
73
7-p
in L
EM
O
2
MC
711
/ M
C722
--
1/4
″
Cla
ss I
MK
411
Fre
e F
ield
MV
401
4 ~
70k
2
< 1
00
45 ~
180
< 4
5
-10 ~
50
0 ~
90%
0.0
09
0.0
03
-0.0
07
73
7-p
in L
EM
O
2
MC
711
/ M
C722
--
1/2
″
Cla
ss I
MK
253
Pre
ssure
Fie
ld
MV
201
4 ~
10k
40
< 8
0
18 ~
149
< 1
8
-10 ~
50
0 ~
90%
0.0
07
0.0
04
-0.0
1
105
7-p
in L
EM
O
2
MC
711
/ M
C722
MK
V263
1/4
″
Cla
ss I
MK
451
Pre
ssure
Fie
ld
MV
401
4 ~
70k
4
< 1
00
35 ~
167
< 3
5
-10 ~
50
0 ~
90%
0.0
09
0.0
03
-0.0
07
73
7-p
in L
EM
O
2
MC
711
/ M
C722
--
MK
V101
MK
V201
MK
V401
MK
V411
MK
V253
MK
V451
BS
WA
MKV S
erie
s M
icro
pho
ne
s
MK
V101 /
MK
V201 /
MK
V401 /
MK
V411
/ M
KV
253 /
MK
V451
18
19
Model
Photo
s
Num
ber
of
Input
Channels
Connecto
r of
Input
Num
ber
of
Outp
ut
Channels
Connecto
r of
Outp
ut
Fre
quency
Resp
onse
(H
z)
Gain
Pola
riza
tion V
olta
ge
Outp
ut
Pow
er
for
Pre
am
plifi
er
Pow
er
Supply
Filt
er
Opera
ting T
em
pera
ture
(°C
)
Opera
ting H
um
idity
(R
H)
Dim
ensi
on (
mm
)
Weig
ht
(g)
2
BN
C
2
BN
C
5 ~
200k
-- 0 V
4 m
A
1 ×
9 V
Batt
ery
or
220 V
--
-10 ~
50
0 ~
95%
113 ×
70 ×
45
160
1
BN
C
1
BN
C
5 ~
200k
× 1
, ×
10
0 V
4 m
A
220 V
--
-10 ~
50
0 ~
95%
113 ×
70 ×
45
160
4
BN
C
4
BN
C
5 ~
200k
× 0
.1,
× 1
, ×
10
0 V
4 m
A
220 V
--
-10 ~
50
0 ~
95%
310 ×
250 ×
65
1500
1
7-p
in L
EM
O
1
BN
C
1 ~
1M
--
200 V
or
0 V
28 V
220 V
--
-10 ~
50
0 ~
95%
113 ×
70 ×
45
190
2
7-p
in L
EM
O
2
BN
C
5 ~
200k
-20 d
B,
0 d
B,
20 d
B,
40dB
200 V
or
0 V
28 V
or
120 V
220 V
Lin
, AW
, H
P,
Dir
-10 ~
50
0 ~
95%
260 ×
60 ×
150
1130
MC
102
MC
141
MC
104
MC
711
MC
722
BS
WA
Mic
rop
ho
ne
Co
nd
itio
nin
g U
nits
MC
102 /
MC
141 /
MC
104 /
MC
711
/ M
C722
20
21
MP
A4
26
is a
lo
w-c
ost
su
rfa
ce
mic
rop
ho
ne
for
ae
rod
yn
am
ic n
ois
e m
ea
su
rem
en
ts.
It i
s
wid
ely
use
d i
n g
rou
nd
ve
hic
le a
nd
ae
rosp
ace
to i
nve
stig
ate
th
e w
ind
in
du
ced
no
ise
. It
ca
n b
e
ea
sily
mo
un
ted
on
su
rfa
ces
usi
ng
do
ub
le s
ide
d
adhesi
ve t
ape.
Th
e M
PS
42
6 h
as
ICC
P p
rea
mp
lifie
r a
nd
ca
n b
e
connect
ed t
o a
ny
ICC
P i
nput
channel.
It h
as
5 m
cable
with
SM
B c
onnect
or.
Th
e M
PS
42
6 h
as
a h
igh
se
nsi
tivity
of
50
mV
/Pa
and a
flat
frequency
resp
onse
betw
een 2
0 H
z and
20 k
Hz.
Th
e T
ED
S v
ers
ion
of
MP
S4
26
is
als
o a
vaila
ble
.
It h
as a
bu
ilt-
in T
ED
S c
hip
wri
tte
n w
ith
su
ch
info
rma
tion
as
mo
de
l, se
ria
l n
um
be
r, s
en
sitiv
ity,
refe
rence
fre
quency
, and e
tc.
Surfa
ce M
icrophone
MP
S4
26
T
R1
00
Surf
ace
Mic
ophone &
Pro
be M
icro
phone
22
23
SI5
12
So
un
d I
nte
nsit
y P
rob
e i
s b
uilt
usin
g
ICC
P t
yp
e p
rea
mp
lifie
rs.
SI5
12
is f
itte
d w
ith
rem
ote
-co
ntr
ol
fun
ctio
ns.
It
com
plie
s w
ith
IE
C
1043 C
lass
2 S
tandard
. B
ase
d o
n t
he t
ech
niq
ue
of
sim
ultaneous d
ete
rmin
ation o
f sound p
ressure
an
d p
art
icle
ve
locit
y b
y t
wo
clo
se
ly s
pa
ce
d
mic
rophones,
SI5
12 c
an b
e d
irect
ly c
onnect
ed t
o
ICC
P i
nputs
. W
ith a
n U
SB
end c
onnect
ed t
o t
he
PC
, S
I512 c
an b
e r
em
ote
ly c
ontr
olle
d t
o p
erf
orm
sound in
tensi
ty m
easu
rem
ents
.
FE
AT
UR
ES
ICC
P®
pow
ere
d
Rem
ote
-contr
ol f
unct
ions
Tw
o B
NC
connect
ors
for
easy
connect
ion
Accura
te p
hase m
atc
hed m
icro
phones
Face
to f
ace
config
ura
tion
1/3
-oct
ave
centr
e f
requency
ranges:
63 H
z to
5 k
Hz
We
ll-d
efi
ne
d a
co
us
tic
al
mic
rop
ho
ne
separa
tion.
SI5
12 c
om
prise
s a r
obust
fra
me w
hic
h h
old
s tw
o
ICC
P p
rea
mp
lifie
rs a
nd
ma
tch
ed
mic
rop
ho
ne
s
in a
fa
ce
-to
-fa
ce
co
nfi
gu
rati
on
. T
he
dis
tan
ce
betw
een m
icro
phones
is d
efin
ed b
y so
lid,
pla
stic
spa
cers
. S
ou
nd
is
con
stra
ine
d t
o a
ct o
n e
ach
mic
rop
ho
ne
th
rou
gh
a n
arr
ow
slit
be
twe
en
th
e
space
r and t
he m
icro
phone g
rid.
This
giv
es
well-
de
fine
d a
cou
stic
se
pa
ratio
n o
f th
e m
icro
ph
on
es
and m
inim
izes
shadow
and r
efle
ctio
n e
ffect
s.
Phase
matc
hin
g o
f 1/2
″Mic
rophone P
air s
ele
cted
from
Typ
e M
P231 is
bett
er
than 2
degre
es
in f
ull
test
fre
quency
range f
rom
45 H
z to
6000 H
z. T
he
no
rma
lize
d m
icro
ph
on
e f
req
ue
ncy r
esp
on
se
s
diff
er
by
less
than 0
.5 d
B.
SI5
12 is
supplie
d w
ith
8.5
mm
, 12 m
m a
nd 5
0 m
m s
pace
rs.
Ea
ch
pro
be
is
in
div
idu
all
y c
ali
bra
ted
in
th
e
an
ech
oic
ch
am
be
r; t
he
ca
lib
ratio
n d
ata
in
clu
de
ph
ase
ma
tch
ing
, m
icro
ph
on
e s
en
sitivi
tie
s a
nd
act
uato
r re
sponse
s.
Outd
oor
mic
rophones a
re f
or
outd
oor
uses s
uch a
s
the
ou
tdo
or
aco
ust
ic m
ea
sure
me
nt
or
com
mu
nity
an
d t
raff
ic n
ois
es
mo
nit
ori
ng
. B
SW
A o
utd
oo
r
mic
rop
ho
ne
s a
re f
itte
d w
ith
a w
ind
scre
en
, a
ra
in
pro
tect
ion
, a
nd
a b
ird
sp
ike
to
pro
tect
th
em
fro
m
win
d,
rain
, sn
ow
an
d o
the
r a
tro
cio
us
we
ath
er.
An
ad
ap
tor
po
le i
s a
lso
in
clu
de
d i
n t
he
pa
cka
ge
wh
ich
he
lps
to
co
nn
ec
t th
e o
utd
oo
r m
icro
ph
on
e t
o a
cam
era
and w
hic
h a
lso p
lays
a r
ole
for
pro
tect
ng t
he
cable
.
BS
WA
ou
tdo
or
mic
rop
ho
ne
s ca
n b
e c
alib
rate
d b
y a
pis
ton
ph
on
e b
y re
mo
vin
g t
he
win
dsc
ree
n a
nd
th
e
rain
pro
tect
ion.
Th
e d
ire
cti
on
al
an
gle
is
0º
for
air
po
rt n
ois
e
monito
ring a
nd 9
0 º
for
com
munity
and t
raffi
c nois
es
monito
ring.
OM
231
is 1
/2 in
ch p
repola
rize
d c
ondense
r outd
oor
mic
rophone.
It i
s su
itable
for
use
in r
ain
y days
or
in
an e
nvi
ronm
ent at ve
ry h
igh o
r ve
ry lo
w tem
pera
ture
.
OM
23
1 u
ses
IEC
61
67
2 C
LA
SS
1 m
ea
su
rem
en
t
mic
rophone w
hic
h i
s outs
tandin
g f
or
its s
tabili
ty.
It i
s
the
be
st
ch
oic
e f
or
pe
rma
ne
nt
ou
tdo
or
use
su
ch
as
the a
irport
nois
e m
onito
ring.
Th
e r
em
ote
-co
ntr
ol
fun
ctio
n o
f S
I51
2 c
an
co
mp
ly d
ire
ctly
with
such
inte
nsi
ty s
yste
m a
s B
SW
A,
Mülle
r-B
BM
, and e
tc.
SP
EC
IFIC
AT
ION
S
Sound I
nte
nsi
ty P
robe S
I512
Mic
rophone P
airs
OM
41
6 i
s a
lo
w-c
os
t o
utd
oo
r m
icro
ph
on
e.
It
use
s1/4
’’ IC
CP
mic
rophone,
whic
h m
ake
s it
suita
ble
for
0º
an
d 9
0 º
me
as
ure
me
nts
. T
he
OM
41
6 i
s
de
sig
ne
d w
ith d
isp
osa
ble
mic
rop
ho
ne
co
nce
pt.
Th
e
mic
rop
ho
ne
is
ea
sily
re
mo
ved
an
d r
ep
lace
d a
fte
r
about
six
month
s of
outd
oor
use
s.
24
25
SP
EC
IFIC
AT
ION
S
Sound C
alib
rato
rs
SP
EC
IFIC
AT
ION
S
Stu
dio
Mic
rohones
Modula
r part
s
BS
WA
S
M4
00
0 s
eri
es
p
ha
nto
m p
ow
ere
d
stu
dio
mic
rop
ho
ne
s a
re f
or
pre
cis
ion
re
co
rdin
g a
nd
me
asu
rem
en
t o
f so
un
d w
ith n
o c
olo
r a
dd
ed
. T
he
y ca
n
be u
sed t
o r
eco
rd e
ssentia
lly a
ny
inst
rum
ent
for
a t
ruly
acc
ura
te r
ep
rese
nta
tio
n o
f th
e o
rig
ina
l so
un
d.
Ea
ch
SM
40
00
mic
rop
ho
ne
is s
up
plie
d w
ith
its
in
div
idu
al
calib
ratio
n c
hart
with
fre
quency
resp
onse
and s
ensi
tivity
da
ta.
Its
mo
du
lar
de
sig
n a
llow
s th
e p
rea
mp
lifie
r to
be
use
d w
ith
an
y o
f th
e h
igh
qu
alit
y B
SW
A m
icro
ph
on
e
capsu
les.
CA
111
/CA
11
4/C
A11
5 i
s s
ma
ll so
un
d s
ou
rce
for
calib
rati
ng
me
asu
rem
en
t m
icro
ph
on
es,
so
un
d
lev
el
me
ters
, a
nd
oth
er
so
un
d m
ea
su
rem
en
t
equip
ments
. T
he c
alib
rato
r ca
n b
e u
sed o
n 1
/2-inch
and 1
/4-inch
mic
rophones
with
adapto
r.
CA
111
confo
rms
to IE
C 6
0942:2
003 C
lass
1, A
NS
I
S1.4
0-1
984 a
nd G
B/T
15173-1
994.
CA
114/1
15
confo
rms
to I
EC
60942:2
003 C
lass
2
standard
s.
SM
4201
mic
rophone is
top o
f th
e li
ne. It is
suita
ble
for
the m
ost
critic
al r
eco
rdin
g a
pplic
atio
ns
requirin
g e
xtre
me
pe
rfo
rma
nce
an
d e
nvir
on
me
nta
l sta
bili
ty.
Its n
icke
l
allo
y co
nst
ruct
ion
en
sure
s d
ura
bili
ty a
nd
ou
tsta
nd
ing
pe
rfo
rma
nce
. T
he
ele
ctro
nic
cir
cuit
ry c
ou
ple
d w
ith
a
tra
nsf
orm
erl
ess
ou
tpu
t st
ag
e p
rovi
de
s a
fla
t fr
eq
ue
ncy
response a
cro
ss t
he e
ntire
audio
bandw
idth
while
at
the
sam
e t
ime a
chie
ving a
n e
xtre
mely
low
nois
e fl
oor.
SM
4215
mic
rophone is a
top p
erf
orm
er
that
uses t
he
sam
e p
rea
mp
lifie
r a
s th
e S
M4
20
1.
It h
as
the
sa
me
fla
t
fre
qu
en
cy r
esp
on
se o
ut
to 1
2.5
kH
z st
em
min
g f
rom
its
nic
kel
allo
y dia
phra
gm
. It
is
a g
reat
choic
e f
or
acc
ura
te
aco
ust
ic r
eco
rdin
g r
equirin
g a
larg
e d
ynam
ic r
ange.
SM
42
16
mic
rop
ho
ne
offe
rs a
n e
co
no
mic
al
ch
oic
e
with
in
cre
dib
le p
erf
orm
an
ce.
Its
po
lym
er
dia
ph
rag
m
and c
opper
housi
ng y
ield
s a fl
at
frequency
resp
onse
ou
t to
16
kH
z w
ith e
xce
llen
t d
yna
mic
ra
ng
e a
nd
lo
w
nois
e fl
oor.
It
is a
pro
ven p
erf
orm
er
for
the p
rice
.
SM
4418
mic
rophone is
1/4
" re
cord
ing m
icro
phone.
It h
as
a f
lat
fre
qu
en
cy r
esp
on
se o
ut
to 1
6 k
Hz
with
exce
lle
nt
dyn
am
ic r
an
ge
an
d l
ow
no
ise
flo
or.
Its
imp
uls
e r
esp
on
se a
nd
po
lym
er
dia
ph
rag
m s
ett
ling
time i
s exc
eptio
nal.
Its
sound i
s unco
lore
d a
nd i
t has
no h
andlin
g n
ois
e.
AP
PL
ICA
TIO
NS
Ca
libra
tio
n o
f m
ea
sure
me
nt
mic
rop
ho
ne
s, s
ou
nd
lev
el
me
ters
, a
nd
oth
er
so
un
d m
ea
su
rem
en
t
equip
ments
.
Check
ing t
he li
nearity
of
equip
ments
.
FE
AT
UR
ES
Confo
rms
to I
EC
60942:2
003 C
lass
1/C
lass
2, A
NS
I
S1.4
0-1
984,
and G
B/T
15173-1
994.
1 k
Hz
ca
lib
rati
on
fre
qu
en
cy
fo
r a
ll w
eig
hti
ng
netw
ork
s.
CA
111
: D
ua
l 9
4 &
11
4 d
B s
ou
nd
pre
ssu
re l
eve
l
outp
uts
.
CA
114:
94 d
B s
ound p
ress
ure
leve
l outp
uts
.
CA
115:
114 d
B s
ound p
ress
ure
leve
l outp
uts
.
Calib
ratio
n a
ccura
cy ±
0.3
dB
.
Desi
gned w
ith h
ighly
sta
ble
leve
l and f
requency
.
CA
111 f
or
two-k
eyp
ad o
pera
tion a
nd C
A11
4/1
15 f
or
one-k
eyp
ad o
pera
tion.
Fits
1/2
” m
icro
ph
on
es
an
d 1
/4”
mic
rop
ho
ne
s w
ith
adapto
r.
Pow
ere
d b
y 2×
AA
A b
att
ery
and a
uto
matic
pow
er
off
to c
onse
rve b
att
ery
life
.
Model
Mic
rophone C
apsu
le
Lin
ear
Fre
quency
Range
Sensi
tivity
Max.
SP
L fo
r 3%
TH
D
Equiv
ale
nt
Nois
e L
eve
l
Outp
ut
Impedance
Max.
Outp
ut
Volta
ge
Connecto
r
Phanto
m P
ow
er
Weig
ht
Pola
r P
att
ern
SM
4201
MP
201
20 H
z ~
20 k
Hz
40 m
V/P
a
130 d
B
18 d
B (
A)
SM
4215
MP
215
20 H
z ~
12.5
kH
z
30 m
V/P
a
130 d
B
25 d
B (
A)
SM
4216
MP
216
20 H
z ~
16 k
Hz
25 m
V/P
a
135 d
B
21 d
B (
A)
200 Ω
4.5
Vrm
s (
load >
2000 Ω
); 1
.0 V
rms
(load =
1000 Ω
)
XLR
25 V
~ 4
8 V
(cu
rrent
3 m
A)
160 g
Om
ni D
irectional
SM
A4000P
SM
4000 K
Phanto
m P
ow
ere
d P
ream
plifi
er
for
SM
4000 S
eries
Mic
rophones
Mic
rophone K
it in
cludes
SM
A 4
000P,
MP
201,
MP
215,
and M
P216
SM
4418
MP
418
20 H
z ~
16 k
Hz
8 m
V/P
a
135 d
B
32 d
B (
A)
Model
Sta
ndard
Sound P
ress
ure
Leve
l
Fre
quency
Mic
rophone D
iam
ete
r
Harm
onic
Dis
tort
ion
Equiv
ale
nt
Fre
e-fi
eld
Leve
l
Equiv
ale
nt
Random
Inci
dence
Leve
l
Refe
rence C
onditio
ns
Envi
ronm
enta
l Conditi
ons
Pow
er
Supply
Dim
ensi
on(m
m)
Weig
ht
CA
111
IEC
60942:2
003 C
lass
1, A
NS
I S
1.4
0-1
984,
GB
/T 1
5173-1
994
94.0
dB
±0.3
dB
and 1
14.0
dB
±0.3
dB
CA
114/C
A11
5
IEC
60942:2
003 C
lass
2, A
NS
I
S1.4
0-1
984,
GB
/T 1
5173-1
994
94.0
dB
/114.0
dB
±0.3
dB
1000H
z ±0.5
%
Acc
ord
ing t
o I
EC
61094-4
: 1/2
” &
1/4
”
<2%
Sta
bili
zatio
n T
ime:
<10 s
-0.2
dB
for
1/2
” M
icro
phones
+0.0
dB
for
1/2
”, 1
/4”
Am
bie
nt Te
mpera
ture
: 25°C
(77°F
) /
Am
bie
nt
Pre
ssure
: 101.3
kP
a
/ H
um
idity
: 55%
RH
/ E
ffect
ive L
oad V
olu
me:
250 m
m3
Tem
pera
ture
: -1
0°C
-50°C
(14°F
-122°F
)
Pre
ssure
: 65 k
Pa t
o 1
08 k
Pa
Hum
idity
: 10 t
o 9
0%
RH
(non-c
ondensi
ng)
Batt
eries:
1.5
V L
R6 (
AA
batt
ery
) ×
2
Life
time: T
ypic
ally
40 h
ours
with
alk
alin
e b
att
eries
at
25°C
(77°F
)
48 ×
70 ×
70m
m
180 g
, in
cludin
g b
att
eries
Studio
Mic
rohones
SM
40
00
CA
11
1 / C
A1
14
/ C
A1
15
Sound C
alibra
tors
26
27
CA
91
6
28
29
BS
WA
desi
gns
and m
anufa
cture
s m
icro
phone a
rrays
for
aco
ust
ical m
easu
rem
ents
. O
ur
exp
erience
spans
fro
m s
imp
le l
ine
ar
arr
ay t
o c
om
plic
ate
d r
an
do
m
arr
ay.
T
he
nu
mb
er
of
mic
rop
ho
ne
s in
th
e a
rra
ys
ran
ge
s fr
om
16
to
25
6 a
cco
rdin
g t
o t
he
cu
sto
me
rs’
requirem
ents
.
Mic
rop
ho
ne
s a
re t
he
mo
st i
mp
ort
an
t e
lem
en
ts i
n
the
arr
ay;
BS
WA
use
s M
PA
41
6 (
or
MP
A4
66
wit
h
TE
DS
) fo
r 1
/4”
mic
rop
ho
ne
arr
ay.
T
he
ph
ase
s o
f
the
mic
rop
ho
ne
s a
re m
atc
he
d a
cco
rdin
g t
o t
he
cust
om
er’
s sp
eci
fica
tion
s.
Fo
r cr
itica
l a
pp
lica
tion
s
wh
ere
hig
h a
ccu
racy
an
d l
ow
no
ise
are
re
qu
ire
d,
BS
WA
will
re
com
me
nd
MP
A2
31
(o
r M
PA
27
1 w
ith
TE
DS
) as
mic
rophone e
lem
ents
To m
ake
th
e a
rra
y st
ruct
ura
lly s
tab
le,
BS
WA
use
s
sta
inle
ss s
tee
l (o
r a
lum
inu
m)
an
d C
NC
cu
ttin
g t
o
fabrica
te t
he m
ech
anic
al p
art
s.
Stu
dy
of
arr
ay
alg
ori
thm
is
a h
ot
top
ic i
n t
he
are
a
of
both
aco
ust
ics
and s
ignal
pro
cess
ing.
BS
WA
can
desi
gn a
nd p
roduce
the m
icro
phone a
rray
base
d o
n
the d
em
ands
of
cust
om
ers
. T
he f
ollo
win
g d
eta
ils a
re
req
uir
ed
wh
en
th
e c
ust
om
ize
d m
icro
ph
on
e a
rra
y is
ord
ere
d:
Posi
tions
of
mic
rophones
to b
e fi
xed;
Num
ber
of
mic
rophone t
o b
e u
sed;
Dia
mete
r of
mic
rophone t
o b
e u
sed;
Connect
or
type o
f m
icro
phone t
o b
e u
sed.
BS
WA
ha
s th
e c
ap
ab
ility
to
de
sig
n t
he
me
cha
nic
al
stru
cture
, th
e la
yout
of
the c
able
s, a
nd t
he c
onnect
or
type o
f th
e D
ata
Acq
uis
ition (
DA
Q).
To m
ake
th
e a
rra
y st
ruct
ura
lly s
tab
le,
BS
WA
use
s
sta
inle
ss s
tee
l (o
r a
lum
inu
m)
an
d C
NC
cu
ttin
g
to f
ab
ric
ate
th
e m
ec
ha
nic
al
pa
rts
. T
he
LE
MO
co
nn
ec
tors
are
us
ed
fo
r c
ab
les
. E
ac
h L
em
o
con
ne
cto
r co
rre
spo
nd
s to
se
vera
l m
icro
ph
on
es,
so
that
the la
yout
of
the c
able
is v
ery
tid
y.S
PS
980 S
piral A
rray
Mech
anic
al s
truct
ure
of
mic
rophone a
rray
with
8×
8
channels
Pa
rt o
f m
icro
ph
on
e a
rra
y w
ith 6
ch
an
ne
ls,
Le
mo
Connecto
r on t
he e
nd
256-c
hannel r
ect
angula
r m
icro
phone a
rray
SP
EC
IFIC
AT
ION
S
Mic
rophone A
rrays
SP
S4
90 S
piral A
rray
Model
Typ
e o
f Arr
ay
No.
of
Mic
rophones
Dia
mete
r
Mic
rophone M
odel
Dyn
am
ic R
ange
Fre
quency
Range
Phase
Matc
h
Cablin
g
SP
T980
Spiral
36
1.0
m
MP
A231T
17 ~
136 d
BA
20 H
z ~
20 k
Hz
±2 º
8-p
in L
EM
O -
8 S
MB
s
SP
S9
80
Spiral
36
1.0
m
MP
A416
29 ~
127 d
BA
20 H
z ~
20 k
Hz
±5 º
8-p
in L
EM
O -
8 S
MB
s
SP
S4
90
Spiral
16
0.5
m
MP
A416
29 ~
127 d
BA
20 H
z ~
20 k
Hz
±5 º
8-p
in L
EM
O -
8 S
MB
s
Mic
rophone A
rra
ys
SP
T9
80
/ S
PS
98
0 / S
PS
49
0
Custom
ized M
icrophone A
rra
ys
30
31
In t
he m
easure
ment
of
sound p
ow
er
level accord
ing
to I
SO
37
45
-20
03
, th
e 2
0 m
ea
sure
me
nt
po
sitio
ns
are
re
qu
ire
d o
n a
sp
he
rica
l m
ea
sure
me
nt
surf
ace
en
velo
pin
g a
no
ise
so
urc
e i
n a
ne
cho
ic a
nd
he
mi-
an
ech
oic
ro
om
. H
ow
eve
r, i
t is
diffi
cult
to m
ou
nt
20
mic
rophones
on t
ripods
in a
spherica
l surf
ace
.
BS
WA
de
velo
pe
d M
F7
20
(a
nd
MF
71
0)
mic
rop
ho
ne
fixtu
re s
pe
cific
ally
fo
r su
ch m
ea
sure
me
nts
. M
F7
20
is d
esi
gned a
ccord
ing to IS
O 3
745-2
003 to m
ount 20
mic
rophones
ove
r th
e s
pherica
l su
rface
; M
F710 i
s a
10 p
osi
tions
vers
ion a
ccord
ing t
o I
SO
3745;
ISO
7779
and G
B6882.
MF
720/
MF
710 M
ain
Featu
res
20 /
10 m
icro
phone p
osi
tions
Th
e p
ositio
n a
nd
ori
en
tatio
n o
f e
ach
mic
rop
ho
ne
can
be
ad
just
ed
to
fit
the
am
en
dm
en
t o
f th
e I
SO
sta
ndard
s
Po
rta
ble
with
lig
ht
we
igh
t a
nd
th
e p
art
s ca
n b
e
dis
ass
em
ble
d f
or
easy
tra
nsp
ort
atio
n
SP
EC
IFIC
AT
ION
S
Mic
roph
one
Sph
eric
al S
urfa
ce F
ixtu
re fo
r S
ound
Pow
er T
estin
g
Optional It
em
s
Mic
rophone M
ountin
g f
or
MF
710 a
nd M
F720
Mic
rophone p
osi
tions
for
MF
720
Model
No
. o
f M
icro
ph
on
e
Posi
tions
Sta
ndard
s
Ra
diu
s (m
icro
ph
on
e
posi
tions)
(m
m)
Mic
rop
ho
ne
Siz
e t
o
be F
ixed o
n (
inch
)
Carr
ying C
ase
(m
m)
Weig
hts
(kg)
MP
A2
31
1/2
” IC
P
Mic
rophones
CB
B 0
20 2
0 m
BN
C
cable
s
MF
710
10
ISO
7779,
GB
6882-8
8;
ISO
3475-1
982
1.0
1/2
1500 ×
350 ×
200
10
MF
720
20
ISO
3745-2
003
1.0
1/2
1500 ×
350 ×
200
11 20
20
10
10
Mic
rophone S
pheri
cal
Surfa
ce F
ixtu
re f
or S
ound P
ow
er
MF
72
0 / M
F7
10
D/A
Co
nvert
er
MT
102
Dig
ital m
icro
phone is b
ecom
ing p
opula
r in
Cellp
hone
for
ste
reo
an
d m
ult
i m
icro
ph
on
es s
olu
tio
ns.
Th
e
ou
tpu
t sig
na
l fr
om
th
e s
tere
o d
igita
l m
icro
ph
on
es i
s
en
cod
ed
by
Pu
lse
De
nsi
ty M
od
ula
tion
(P
DM
). T
he
MT
102 is
a D
/A c
onve
rter
whic
h s
epara
tes
the P
DM
dig
ital
sig
na
ls i
nto
tw
o c
ha
nn
el
an
alo
g s
ign
als
. T
he
analo
g s
ignals
are
then in
put
into
the a
udio
analy
zer
(such
as
VA
-Audio
sys
tem
) fo
r analy
sis.
The M
T102
wo
rks
with
th
e P
DM
sig
na
ls f
rom
on
e o
r tw
o d
igita
l
mic
rophones.
It ca
n s
epara
te the le
ft a
nd r
ight outp
ut
signals
of
the d
igita
l mic
rophones.
MT
10
2 h
as
on
e c
on
tro
l ch
an
ne
l w
hic
h c
an
be
use
d
to a
ctiv
ate
th
e m
ea
sure
me
nts
au
tom
ati
cally
. T
he
contr
ol
signal
is c
onnect
ed t
o t
he c
om
pute
r by
US
B
cable
.
Tu
rnta
ble
TT
325
TT
32
5 i
s a
tu
rnta
ble
co
mm
on
ly u
sed
fo
r d
ire
ctiv
ity
test
ing
of
lou
dsp
ea
kers
an
d m
icro
ph
on
es.
It
use
s
a s
tep
pe
d m
oto
r a
nd
ca
n b
e c
on
tro
lled
pre
cise
ly
by
pu
lse
sig
na
ls.
Th
e T
T3
25
ha
s b
uilt
-in
ro
tatio
na
l
3-p
in c
on
ne
cto
r a
nd
ca
n o
pe
rate
co
nti
nu
ou
sly
wit
ho
ut
jam
min
g t
he
ca
ble
s.
Th
e T
T3
25
ca
n b
e
easi
ly in
tegra
ted in
to t
he a
udio
test
ing s
yste
ms.
One
outp
ut
of
the s
yste
m g
enera
tes
the s
quare
wave
s to
co
ntr
ol
the
ro
tatio
n a
nd
th
e o
the
r o
utp
ut
ge
ne
rate
s
the t
est
ing s
ignals
.
SP
EC
IFIC
AT
ION
S
D/A
Conve
rter
MT
102
SP
EC
IFIC
AT
ION
S
Turn
table
TT
325
32
33
Model
Photo
s
Input
Channels
Max.
Input
Volta
ge (
Vrm
s)
ICC
P P
ow
er
Supply
(m
A)
Outp
ut
Channels
Max.
Outp
ut
Volta
ge (
Vrm
s)
Sta
ndard
s (I
EC
61672)
Input
Connecto
r
A/D
Conve
rter
(bit)
Max.
Sam
plin
g F
requency
(H
z)
Gain
s
Inte
rnal N
ois
e (
dB
A)
Fre
quency
Resp
onse
(H
z)
(R
ef:
250 H
z, +
0.5
dB
/-1.0
dB
)
Measu
rem
ent
Range (
dB
A)
(MP
201)
Connecto
r to
the C
om
pute
r
Pow
er
Requirem
ent
Siz
e (
mm
) (L
ength
×W
idth
×H
eig
ht)
Weig
ht
(g)
2 2 4
1,
with
38W
pow
er
am
plifi
er
1.0
Typ
e I
I
BN
C
16
44.1
k
-- 35
20 ~
20k
35 ~
125
US
B
US
B (
220 V
or
110 V
when
pow
er
am
plifi
er
work
s)
280 ×
230 ×
90
4000
2 2 4 1 1.0
Typ
e I
I
BN
C
16
44.1
k
-- 35
20 ~
20k
35 ~
125
US
B
US
B
160 ×
120 ×
45
610
2 20 4 2 1.0
Typ
e I
I
BN
C
16
44.1
k
× 0
.1,
× 1
, ×
10
18
20 ~
20k
18 ~
146
US
B
Inte
rnal r
ech
arg
eable
batt
ery
/220 V
with
pow
er
adapto
r
280 ×
230 ×
90
3500
4 3.6 4 2 1.0
Typ
e I
BN
C
24
51.2
k
-- 30
20 ~
20k
30 ~
130
US
B
US
B
240 ×
190 ×
50
1350
4 3.6 4 2 1.0
Typ
e I
BN
C
24
51.2
k
× 1
, ×
10,
× 1
00
18
20 ~
20k
18 ~
130
US
B
220 V
(with
pow
er
adapto
r)
280 ×
230 ×
90
3600
4 3.6 4 0 1.0
Typ
e I
BN
C
24
51.2
k
× 1
, ×
10,
× 1
00
18
20 ~
20k
18 ~
130
US
B
US
B
280 ×
230 ×
90
3600
MC
3622
MC
3022
MC
3122
MC
3242
MC
3642
MC
3640
The d
ata
acq
uis
ition h
ard
ware
pro
duce
d b
y B
SW
A is
suita
ble
for
colle
ctin
g d
ata
for
nois
e a
nd v
ibra
tion m
easu
rem
ent.
The in
pu
t
channels
supply
IC
CP
pow
er
curr
ent.
It
is v
ery
conve
nie
nt
to b
e u
sed w
ith a
ll ki
nds
of
ICC
P t
ype m
icro
phones
or
oth
er
senso
rs.
Most
BS
WA
data
acq
uis
ition h
ard
ware
has
outp
ut
channels
, and c
an b
e u
sed f
or
audio
and im
pendence
measu
rem
ents
.
BS
WA
Da
ta A
cq
uis
itio
n H
ard
wa
re
MC
3622 /
MC
3022 /
MC
3122 /
MC
3242 /
MC
3642/
MC
3640
34
35
VA
-La
b i
s a
co
us
tic
al
me
as
ure
me
nt
so
ftw
are
de
velo
pe
d b
y B
SW
A.
VA
-La
b t
ake
s th
e a
dva
nta
ge
of
com
pu
ter
po
we
r a
nd
pe
rfo
rms
all
sig
na
l a
na
lysi
s
with
in t
he
co
mp
ute
r. W
ith
BS
WA
Da
ta A
cqu
isitio
n
Ha
rdw
are
an
d M
icro
ph
on
es,
VA
-La
b r
ep
rese
nts
the m
ost
cost
-effect
ive s
olu
tion f
or
all
your
needs
in
aco
ust
ic m
easu
rem
ent
and a
naly
sis.
VA
-La
b i
s d
eve
lop
ed
ba
se
d o
n t
he
in
tern
ati
on
al
sta
nd
ard
s a
nd
BS
WA
’s e
xpe
rie
nce
s in
aco
ust
ics.
Th
es
e e
xp
eri
en
ce
s c
ov
er
en
vir
on
me
nta
l,
arc
hite
ctu
ral,
ma
teri
al
an
d i
nd
ust
ria
l m
ea
sure
me
nts
.
VA
-Lab h
as
module
desi
gn w
ith s
peci
al
applic
atio
ns
acc
ord
ing
to
IS
O s
tan
da
rd r
eq
uir
em
en
ts,
such
as
So
un
d P
ow
er,
So
un
d I
nsu
lati
on
, a
nd
Im
pe
da
nce
Measu
rem
ents
.
Imp
ed
an
ce T
ub
e M
od
ule
Imp
ed
an
ce T
ub
e M
od
ule
is
for
imp
ed
an
ce t
ub
e m
ea
sure
me
nts
. It
su
pp
ort
s so
un
d a
bso
rptio
n a
nd
sound i
nsu
latio
n m
easu
rem
ent
for
BS
WA
SW
series
impedance
tubes.
Th
e s
oft
ware
work
s w
ith B
SW
A
MC
3022,
MC
3522,
MC
3242 a
nd M
C3642 h
ard
ware
for
data
acq
uis
ition a
nd a
naly
sis.
VA
-Lab I
MP
support
s tw
o m
eth
ods
to m
easu
re t
he a
bso
rptio
n c
oeffi
cie
nts
of
mate
rial:
Meth
od u
sing S
tandin
g W
ave
Ratio
(IS
O10534-1
)
Tra
nsf
er
Funct
ion M
eth
od (
ISO
10534-2
)
En
vir
on
men
t M
od
ule
VA
-La
b E
NV
is
a p
ow
erf
ul
sou
nd
le
vel
me
ter.
It
sup
po
rts
ma
xim
um
10
ch
an
ne
l so
un
d p
ress
ure
le
vel
measu
rem
ents
at
10 l
oca
tions.
Each
channel
can p
erf
orm
multi
-task
ana
lysi
s su
ch a
s st
atis
tical
leve
ls,
1/3
oct
ave
, and le
vels
vs.
tim
e.
VA
-Lab E
NV
has
built
-in d
ata
logger
funct
ion,
it ca
n c
ontin
uousl
y lo
g t
he o
vera
ll and s
pect
ral
data
into
the m
em
ory
.
So
un
d I
nte
nsit
y M
od
ule
The m
easu
rem
ent
of
Sound I
nte
nsi
ty p
rovi
des
info
rmatio
n o
f m
agnitu
de a
nd d
irect
ion o
f th
e s
ound fi
eld
,
whic
h is
use
d in
a v
ariety
of
applic
atio
ns
such
as
the d
ete
rmin
atio
n o
f so
und p
ow
er
and t
he n
ois
e s
ourc
e
loca
lizatio
ns.
VA
-La
b S
I m
od
ule
pro
vid
es
a s
imp
le s
yste
m f
or
sou
nd
in
ten
sity
me
asu
rem
en
ts.
Th
e s
yste
m r
eq
uir
es
two
-ch
an
ne
l (o
r tw
o c
ha
nn
els
of
mu
lti-c
ha
nn
el)
da
ta a
cqu
isiti
on
ha
rdw
are
an
d i
nte
nsi
ty p
rob
e S
I51
2.
With
BS
WA
VA
-Lab S
I m
odule
, th
e m
easu
rem
ents
of
sound in
tensi
ty b
eco
me v
ery
easy
task
.
So
un
d P
ow
er
Mo
du
le
In o
rder
to d
ete
rmin
e t
he s
ound p
ow
er
leve
l pro
duce
d b
y th
e n
ois
e s
ourc
e,
one m
eth
od i
s to
measu
re
the s
ound p
ress
ure
leve
l on t
he m
easu
rem
ent
surf
ace
enve
lopin
g a
nois
e s
ourc
e.
VA
-Lab P
ow
er
module
is s
peci
ally
desi
gned to s
atis
fy s
ound p
ow
er
leve
l test
acc
ord
ing to IS
O3745. W
ith
NI
Com
pact
DA
Q a
nd B
SW
A m
icro
phones,
the n
ois
e le
vel c
an b
e t
est
ed s
imulta
neousl
y in
10 c
hannels
;
the s
ound p
ow
er
leve
l is
calc
ula
ted a
uto
matic
ally
base
d o
n t
he m
easu
rem
ent
surf
ace
are
a.
With
mic
rophone c
onditi
onin
g u
nit
MC
104 (
MC
1010 is
10 c
hanne
l vers
ion),
the b
ack
gro
und n
ois
e c
an b
e
belo
w 2
0 d
BA
for
som
e c
ritic
al m
easu
rem
ents
.
Arc
hit
ectu
ral
Mo
du
le
VA
-La
b A
RC
H m
od
ule
pro
vid
es r
eve
rbe
rati
on
tim
e m
ea
su
rem
en
ts a
nd
so
un
d t
ran
sm
issio
n l
oss
measu
rem
ents
acc
ord
ing t
o I
SO
sta
ndard
s. T
he m
ain
featu
res
of
VA
-La
b A
RC
H a
re a
s fo
llow
s:
Tw
o m
eth
od
s: i
nte
rru
pte
d n
ois
e,
imp
uls
e r
esp
on
se m
ea
sure
re
verb
era
tion
tim
e i
n 1
/1 o
r 1
/3 o
cta
ve
frequenci
es
acc
ord
ing t
o I
SO
3382
Sound p
ress
ure
deca
y cu
rves
dis
pla
y, s
upport
use
r-defin
ed r
eve
rbera
tion t
ime c
alc
ula
tion
Airborn
e s
ound in
sula
tion o
f build
ing e
lem
ents
Measu
rem
ent
Measu
rem
ents
of
impact
sound in
sula
tion o
f flo
ors
Auto
matic
ally
calc
ula
te s
ingle
-num
ber
quantit
y:
Rw
, X
w,
and it
s sp
ect
rum
adapta
tion
Th
e V
A-L
ab
Main
Ap
plicati
on
Mo
du
les
Inclu
de:
BA
SIC
: F
FT
ba
sed
sig
na
l a
na
lysi
s fo
r vi
bra
tio
n
and a
coustics
EN
V:
So
un
d p
ressu
re l
eve
l a
nd
en
vir
on
me
nt
nois
e m
easure
ments
IMP
: T
wo
or
fou
r m
icro
ph
on
e m
eth
od
s f
or
ab
so
rptio
n a
nd
TL m
ea
su
rem
en
ts i
n I
mp
ed
an
ce
tube a
ccord
ing t
o I
SO
10534
SI:
Sound in
tensi
ty m
easu
rem
ents
RE
V:
Re
ve
rbe
rati
on
ti
me
m
ea
su
rem
en
ts
acc
ord
ing t
o I
SO
3382
TL
: S
ou
nd
In
su
latio
n m
ea
su
rem
en
ts f
or
bu
ildin
g
mate
rial a
ccord
ing t
o I
SO
140.
PO
WE
R:
So
und
Po
wer
Mea
sure
men
ts a
cco
rdin
g
to I
SO
3745.
Soft
ware
VA
-La
b V
A-L
ab
Soft
ware
36
37
SW
se
rie
s Im
pe
da
nce
Tu
be
s ca
n a
ccu
rate
ly m
ea
sure
so
un
d a
bso
rptio
n
coe
ffici
en
ts a
nd
im
pe
da
nce
acc
ord
ing
to
IS
O1
05
34
-2.
Th
ey
als
o s
up
po
rt
the s
ound t
ransm
issi
on lo
ss m
easu
rem
ents
base
d o
n t
he T
ransf
er
Funct
ion
Meth
od. T
he T
ransf
er
Funct
ion M
eth
od s
epara
tes
the in
cident and r
efle
cted
en
erg
y f
rom
th
e m
ea
su
red
tra
nsfe
r fu
ncti
on
, a
nd
th
en
esti
ma
tes t
he
aco
ust
ic p
ropert
ies
of
the t
est
ed s
am
ple
inst
alle
d in
the t
ub
e.
Th
e S
W s
eri
es
Imp
ed
an
ce T
ub
es
are
sp
eci
ally
de
sig
ne
d n
ot
on
ly t
o w
ork
with
the c
ut
sam
ple
s, b
ut
als
o f
or
direct
use
in t
he fi
eld
. T
he s
mall
size
and
dura
ble
alu
min
um
const
ruct
ion m
ake
it e
asy
to b
e t
ransp
ort
ed a
nd u
sed f
or
est
imatin
g t
he p
ropert
ies
of
walls
, ce
ilin
gs,
inst
alle
d b
uild
ing m
ate
rials
, ro
ad
surf
ace
s, d
iffere
nt
gro
und s
urf
ace
s, in
teriors
of
vehic
les,
and e
tc.
BS
WA
offers
the c
om
ple
te s
et
of
Impedance
Tube s
yste
m,
whic
h incl
udes:
the t
ubes,
mic
rophones,
DA
Q h
ard
ware
, and m
easu
rem
ent
soft
ware
.
BS
WA
1/4
’’ m
icro
phones
MP
A416,
whic
h h
ave
exc
elle
nt
phase
matc
hes,
is
ideal
for
impedance
applic
atio
ns.
The m
icro
phones
are
direct
ly c
onnect
ed
to o
pti
on
al
2-c
ha
nn
el
MC
30
22
or
4-c
ha
nn
el
MC
32
42
da
ta a
cqu
isit
ion
ha
rdw
are
. P
A5
0 p
ow
er
am
plif
ier
is u
sed
to
dri
ve t
he
lo
ud
sp
ea
ker
in t
he
imp
ed
an
ce t
ub
e.
Th
e B
SW
A V
A-L
ab
so
ftw
are
pro
vid
es
all
me
asu
rem
en
t
funct
ions
for
sound a
bso
rptio
n a
nd t
ransm
issi
on lo
ss t
est
ing.
SP
EC
IFIC
AT
ION
S
Impedance T
ube
Impe
danc
e T
ube
Sys
tem
for
Sou
nd A
bsor
ptio
n M
easu
rem
ent
Impe
danc
e T
ube
Sys
tem
for
Tra
nsm
issi
on L
oss
Mea
sure
men
t
R-C
ab
in i
s a
sm
all
reverb
era
tion c
ham
ber
whic
h c
an
be
use
d t
o m
ea
su
re t
he
so
un
d a
bso
rptio
n o
f m
ate
ria
ls
for
auto
motiv
e in
dust
ries.
R-C
ab
in F
EA
TU
RE
S
Ap
pro
pri
ate
fo
r m
ea
su
rem
en
t o
f so
un
d a
bso
rpti
on
cha
ract
eri
stic
s o
f sm
all
an
d i
rre
gu
lar
sam
ple
s, s
uch
as
car
seat,
roof
panel,
carp
et
and e
tc.
The s
ize o
f th
e t
est
ed s
am
ple
can b
e u
p t
o 3
square
mete
rs
Fre
quency
range:
400~
10000H
z
AP
PL
ICA
TIO
NS
Desi
gnin
g a
nd o
ptim
izatio
n o
f th
e in
ner-
car
deco
ratio
n
aco
ust
ic s
yste
m.
Te
stin
g o
f th
e s
ou
nd
ab
so
rptio
n c
oe
ffic
ien
ts o
f th
e
inner-
car
item
s.
Qualit
y C
ontr
ol o
f th
e t
est
ed it
em
s
R&
D o
f new
mate
rials
and n
ew
item
s.
R-C
abin
sm
all
reve
rbera
tion c
ham
ber
use
s st
eel
panes
in i
ts s
tru
ctu
re.
Th
e s
ou
nd
ab
sorp
tio
n q
ua
ntity
of
the
em
pty
ca
bin
is s
ma
ll to
en
su
re t
he
accu
racy o
f th
e
testi
ng
of
the
So
un
d A
bso
rpti
on
Co
eff
icie
nts
of
the
sa
mp
les.
R-C
ab
in h
as e
xce
pti
on
al
so
un
d i
nsu
lati
on
ch
ara
cte
rs s
o t
ha
t th
e o
ute
r n
ois
es h
ave
no
effe
cts
on
the t
est
ing.
Th
e b
ott
om
of
R-C
ab
in i
s d
esig
ne
d t
o b
e v
ibra
tio
n
-re
sis
tan
t. T
he
re a
re f
ou
r w
he
els
fix
ed
to
th
e c
ab
in
for
ea
sy m
ove
me
nt.
T
he
re a
re t
wo
om
ni-
dir
ect
ion
al
lou
dsp
ea
ke
rs o
n t
he
up
pe
r a
nd
ba
se
co
rne
rs i
n t
he
cabin
indiv
idually
as
the s
ound s
ourc
es.
There
are
four
mic
rophones
to m
ake
reve
rbera
tion tim
e m
easu
rem
ents
.
Th
e S
yste
m C
on
sis
ts o
f
R-C
abin
4-C
ha
nn
el
Da
ta A
cq
uis
itio
n a
nd
so
un
d g
en
era
tor
inst
rum
ent
MC
3242 o
r M
C3642
4 s
ets
of
mic
rophones
MP
A 2
31
2 s
ets
of
OS
002 s
ound s
ourc
e
Audio
Am
plifi
er
SW
A-1
00
VA
-Lab s
oft
ware
Sta
ndard
sam
ple
s fo
r ch
eck
ing t
he m
easu
rem
ent
Measu
rem
en
t S
yste
m
R-C
ab
in i
s e
qu
ipp
ed
wit
h a
co
mp
lete
se
t o
f
me
asu
rem
en
t sy
ste
m.
Th
e s
yste
m e
mits
pin
k n
ois
e
to d
rive
th
e t
wo
so
un
d s
ou
rce
s i
n t
he
ca
bin
an
d
rece
ive
s t
he
sig
na
ls f
rom
th
e f
ou
r m
icro
ph
on
es.
Th
e r
eve
rbe
rati
on
tim
e f
rom
th
e f
ou
r ch
an
ne
ls i
s
calc
ula
ted
au
tom
atica
lly.
Th
e w
ho
le c
alc
ula
tio
n i
s
contr
olle
d b
y th
e c
om
pute
r fo
r easy
the o
pera
tion.
To
ge
the
r w
ith
th
e R
-Ca
bin
, B
SW
A a
lso
pro
vid
es
sta
nd
ard
te
stin
g s
am
ple
s. W
ith t
he
ce
rtifi
ed
re
sults
,
the
cu
sto
me
rs c
an
use
th
e s
tan
da
rd s
am
ple
s f
or
refe
rence
measu
rem
ents
.
SP
EC
IFIC
AT
ION
S
Sm
all
Reve
rbera
tion C
ham
ber
R-C
abin
SW
422
SW
477
Model
Valu
e t
o b
e M
easu
red
Sta
ndard
Fre
quency
Range (
Hz)
Inner
Dia
mete
r of Te
stin
g T
ube
Loud s
peake
r
1/4
’’ M
icro
phone
Data
Acq
uis
ition C
ard
Pow
er A
mplifi
er
Soft
ware
SW
420
63 ~
1800
100 m
m
Sound A
bso
rptio
n C
oeffi
cient
(α)
GB
/T-1
8696,
2-2
002,
ISO
10534-2
, 1998
Sou
nd A
bsor
ptio
n C
oeffi
cien
t (α)
and
Tra
nsm
issi
on L
oss(
TL)
Sou
nd A
bsor
ptio
n S
tand
ard:
GB
/T-1
8696
, 2-2
002,
ISO
1053
4-2,
199
8;
Tran
smis
sion
Los
s(T
L) S
tand
ard
in D
iscu
ssio
n
SW
470
MP
A416
PA
50
MC
3022+
PA
50 o
r M
C3622
VA
-Lab2 B
asi
c +
VA
-Lab2 I
MP
-A
MC
3242
VA
-Lab4 B
asi
c +
VA
-Lab4 I
MP
-AT
4 “
in d
iam
ete
r, 2
0 W
att
s, 8
Ohm
800 ~
6300
30 m
m
SW
422
63 ~
1800
100 m
m
SW
477
800 ~
6300
30 m
m
Optio
nal I
tem
s P
rovi
ded b
y B
SW
A
Para
mete
r to
be t
est
ed
Test
ing C
hannel #
Noi
se G
ener
ator
Cha
nnel
#
Fre
quency
Range
Max.
Sam
ple
Siz
e(m
)
Cabin
Siz
e(m
)
Door
Siz
e(m
)
Weig
ht(
Kg)
Sound A
bso
rptio
n C
oeffi
cients
,
Reverb
era
tion T
ime
4 2 400 H
z ~
10000 H
z
2.3
x 1
.7
2.3
5 (
Length
) x
1.5
(W
idth
) x
1.6
3(H
eig
ht)
0.8
x 1
.3
800
Impedance T
ube
SW
42
0 / S
W4
70
/ S
W4
22
/ S
W4
77
R-C
ab
in
Sm
all R
everbera
tion C
ham
ber
38
39
Hu
ma
n e
ar
ha
s a
ve
ry c
om
plic
ate
d c
on
str
ucti
on
.
Art
ifici
al
ear
is a
rece
ivin
g d
evi
ce i
n c
onfo
rmity
to t
he
hum
an e
ar.
BS
WA
AE
00
2 i
s d
esig
ne
d f
or
rece
ivin
g r
esp
on
se
me
as
ure
me
nts
. T
he
de
sig
n i
s b
as
ed
on
th
e
spe
cific
atio
ns
in t
he
sta
nd
ard
s IE
C6
03
18
an
d I
TU
-T
P.5
7.
It c
an
be
wid
ely
use
d i
n c
ell
ph
on
e,
tele
ph
on
e
and e
lect
ro-a
coust
ic p
art
s’ t
est
ing.
BS
WA
mo
uth
sim
ula
tor
AM
01
2 i
s d
eve
lop
ed
fo
r u
se
in t
he
te
sti
ng
of
tele
ph
on
e,
ce
ll p
ho
ne
an
d o
the
r
ele
ctro
-aco
ust
ic p
art
s w
he
re a
so
un
d f
ield
sim
ilar
to
the
hu
ma
n v
oic
e f
ield
is
req
uir
ed
. A
M0
12
pro
du
ces
a c
on
tinu
ou
s o
utp
ut
of
94
dB
(2
00
~8
00
0H
z) a
t M
RP
(25m
m f
rom
lip
rin
g)
and a
contin
uous
SP
L of
110 d
B
(200~
2000H
z) a
t M
RP.
AM
01
2 c
on
form
s to
sta
nd
ard
s IE
EE
26
9,
IEE
E 6
61
and I
TU
-T R
ec.
P51.
BS
WA
ear
sim
ula
tor
AE
711
is c
om
pose
d o
f an I
EC
711
co
up
ler
an
d a
pre
ss
fie
ld m
icro
ph
on
e w
ith
pre
-
am
plifi
er;
it
can b
e u
sed f
or
tele
phone,
cell
phone a
nd
earp
hone t
est
ing.
AE
711
confo
rms
to s
tandard
s IE
C711
and I
TU
-T P
.57.
AE
002
AE
711
SP
EC
IFIC
AT
ION
S
Mouth
Sim
ula
tor A
M012
SP
EC
IFIC
AT
ION
S
Art
ifici
al E
ar
Sta
ndard
s
Outp
ut
SP
L
Openin
g S
ize
Sourc
e
Dia
.of
lip r
ing
Heig
ht
of
lip r
ing
Siz
e
Weig
ht
IEE
E 2
69,6
61;
ITU
-T P
.51
94 d
B (
200-8
000H
z),1
10 d
B
(200-2
000H
z)
20m
m in d
iam
ete
r
8Ω
/20W
40m
m
10m
m
Dia
mete
r:100m
m;
Heig
ht:
98m
m
1.1
Kg
Model
Confo
rms s
tandard
s
Mic
rophone (
Opt.
)
Pre
-am
plifi
er
(Opt.
)
Measu
rem
ent
para
mete
r
Siz
e
Weig
ht
AE
002
IEC
60318;
ITU
-T P
.57
MP
251/M
P253
MA
231 I
CC
P
Refe
r to
MP
253/M
A211
ø 4
0m
m x
120m
m
1.2
Kg
AE
711
IEC
711
; IT
U-T
P.5
7
MP
253
MA
221(
or
MA
231 )
IC
CP
Refe
r to
MP
253/M
A221
ø 2
3.8
mm
x 3
6.5
mm
100 g
AM
01
2 / A
E0
02
/ A
E7
11
Arti
ficia
l E
ar &
Mouth S
imula
tors
VA
-Au
dio
is a
soft
ware
module
for
chara
cterizi
ng
the
pe
rfo
rma
nce
of
ele
ctro
aco
ust
ic p
rod
uct
s, a
ud
io
ele
ctro
nic
s, a
nd
tra
nsd
uce
rs.
With
th
e s
imp
licity
of
op
era
tio
n r
eq
uir
ed
fo
r p
rod
uct
ion
lin
e Q
C,
yet
the
ext
en
sive
an
aly
sis
too
ls n
ece
ssa
ry f
or
R&
D,
VA
-
Au
dio
is s
uita
ble
fo
r u
se
th
rou
gh
ou
t th
e d
esig
n a
nd
manufa
cturing p
roce
ss.
Aco
ust
ic c
ha
ract
eri
stic
of
pro
du
ct i
s e
lect
roci
rcu
it-
ind
ep
en
de
nt.
Th
e s
tru
ctu
re o
f lo
ud
sp
ea
ke
r is
imp
ort
an
t fo
r its
sp
eci
fica
tion
s. T
he
be
st w
ay
to g
et
fre
qu
en
cy r
esp
on
se
an
d t
he
ha
rmo
nic
dis
tort
ion
is b
y te
stin
g.
Th
e g
en
era
l m
eth
od
is
to u
se s
ign
al
ge
ne
rato
r to
co
ntr
ol
the
sp
ea
ker
to m
ake
a n
ois
e,
and to u
se m
icro
phone to c
aptu
re the n
ois
e a
nd then
to a
naly
sis
the r
esu
lt.
BS
WA
au
dio
te
st
sy
ste
m c
on
sis
ts o
f V
A-A
ud
io
soft
wa
re,
2-c
ha
nn
el
da
ta a
cqu
isiti
on
ha
rdw
are
, a
nd
sta
nd
ard
mic
rop
ho
ne
s. T
he
art
ifici
al
mo
uth
, a
rtifi
cia
l
ea
r o
r Te
st
Bo
x a
re a
ll o
pti
on
al
ite
ms f
or
au
dio
measu
rem
ents
.
Main
Featu
res o
f V
A-L
ab
Au
dio
:
Mo
de
s o
f O
pe
ratio
ns:
Ste
pp
ed
Sin
e,
Fre
qu
en
cy
Sw
eep,
Multi
-tone,
and U
ser-
defin
ed
Re
al-
tim
e f
req
ue
nc
y a
na
lys
is.
Fre
qu
en
cy
resp
onse
, T
HD
, and I
mpedance
test
in o
ne t
ime
Su
pp
ort
au
toco
ntr
ol.
With
US
B c
on
tro
l, so
ftw
are
ca
n s
tart
or
sto
p a
uto
ma
tica
lly w
hic
h i
s v
ery
conve
nie
nt
for
onlin
e t
est
.
Te
st
re
su
lt c
an
b
e s
av
ed
a
nd
c
ou
nte
d
auto
matic
ally
Su
pp
ort
s m
ax
imu
m 3
0th
ord
er
of
ha
rmo
nic
dis
tort
ion
. U
ser-
de
fin
ed
dis
tort
ion
co
mp
on
en
ts
can b
e c
alc
ula
ted in o
ne t
est
Au
tom
atic
ad
just
me
nt
for
ou
tpu
t si
gn
als
to
ma
ke
flat
resp
onse
of
sound s
ourc
es.
Su
pp
ort
Dir
ect
ion
alit
y Te
st,
With
BS
WA
tu
rnta
ble
,
so
ftw
are
ca
n c
on
tro
l th
e r
ota
te s
pe
ed
an
d t
est
eve
ry f
requency
one b
y one o
r to
geth
er
Phase
test
Audio
Testi
ng S
oft
ware
VA
-Au
dio
40
41
AB
ox
26
0 i
s a
sm
all
an
ech
oic
bo
x f
itte
d w
ith
mo
dif
ied
IT
U-T
P.5
7 T
yp
e 3
.2 s
imp
lifi
ed
pin
na
sim
ula
tor.
It
use
s IE
C7
11 a
rtific
ial
ea
r co
up
ler
for
test
ing
ea
r-sp
ea
kers
in
th
e f
act
ory
en
viro
nm
en
ts.
AB
ox2
60
me
ets
th
e I
TU
-T R
ec.
P.5
7 A
rtific
ial
Ea
r
Typ
e 3
.2 h
igh-leak
requirem
ents
.
Th
e b
ox
is m
ad
e o
f a
lum
inu
m p
late
. T
he
in
tern
al
surf
ace
is
fitte
d w
ith B
AS
OT
EC
T s
ou
nd
ab
sorp
tion
ma
teri
al. T
ype
3.2
sim
ula
tor
is f
itte
d o
n t
op
of
the
bo
x. T
he
De
vice
Un
de
r Te
st (
DU
T)
can
be
in
sta
lled
on s
imula
tor
via t
he a
pplic
atio
n a
dapto
r.
To r
ed
uce
th
e e
nvi
ron
me
nta
l n
ois
e,
a s
ilen
cer
is
spe
cia
lly d
esi
gn
ed
. A
lin
ea
r b
ea
rin
g w
as
use
d t
o
mo
ve t
he
sile
nce
r ve
rtic
ally
. T
he
DU
T w
ill b
e i
nsi
de
the s
ilence
r during t
he t
est
ing.
Th
e p
in-c
on
ne
cto
rs a
re i
nte
gra
ted
with
th
e s
ilen
cer.
Wh
en
th
e s
ilen
cer
is p
ress
ed
do
wn
, th
e p
ins
will
connect
to t
he D
UT
to p
erf
orm
the t
est
ing.
The p
ins
als
o p
rovi
de t
he 5
-10 N
forc
e t
o t
he D
UT.
AB
ox
38
0 i
s a
sm
all
an
ech
oic
bo
x f
itte
d w
ith
a 1
/4 i
nch
mic
rop
ho
ne
. T
he
in
tern
al
su
rfa
ce
is
fitte
d w
ith s
ou
nd
ab
sorp
tion
ma
teri
al.
It i
s u
sed
fo
r
test
ing
lo
ud
spe
ake
rs o
f ce
llph
on
es
in t
he
fa
cto
ry
en
vir
on
me
nts
. T
he
exte
rna
l d
ime
nsio
ns a
re t
he
sa
me
as t
he
AB
ox2
60
. T
he
ap
plic
ati
on
ad
ap
tors
can
be
ord
ere
d f
or
diff
ere
nt
size
an
d c
on
figu
ratio
n
of
lou
dsp
ea
kers
or
lou
dsp
ea
ker
ass
em
blie
s. T
he
DU
T i
s in
sta
lled
on
th
e a
pp
lica
tion
ad
ap
tor
an
d t
he
pre
sser
is m
ove
d d
ow
n t
o p
rovi
de 5
-10 N
forc
e a
nd
con
ne
ctio
ns
on
th
e D
UT.
Th
e t
op
pa
ne
l a
cts
as
the
baffl
e a
s re
ferr
ed t
o I
EC
60268-5
sta
ndard
.
FE
AT
UR
ES
De
sig
ne
d a
cco
rdin
g t
o I
TU
-T R
eco
mm
en
da
tion
.
P.5
7 “
Art
ifici
al
Ea
r” (
11/2
00
5)
Typ
e 3
.2 w
ith h
igh
-
leak
sim
plifi
ed p
inna s
imula
tor.
Speci
ally
desi
gned a
nech
oic
box
for
art
ifici
al e
ar.
Sp
ecia
lly d
esig
ne
d s
ilen
ce
r to
re
du
ce
fa
cto
ry
nois
e in
fluence
.
AP
PL
ICA
TIO
NS
Hig
h v
olu
me
ea
r-sp
ea
ker
test
ing
ba
sed
on
Typ
e
3.2
hig
h le
ak
ear
in f
act
ory
envi
ronm
ents
.
Oth
er
pro
du
ct t
est
ing
wh
ich
re
qu
ire
s T
ype
3.2
hig
h le
ak
ear
Aco
usti
cal
Inp
ut
Imp
ed
an
ce
ITU
-T P
.57 s
peci
fied t
he a
coust
ic in
put
impedance
of
Typ
e3
.2 h
igh
le
ak
ea
r. E
ach
bo
x w
as
test
ed
fo
r th
e
imp
ed
an
ce a
nd
th
e t
ypic
al
resu
lts a
re s
ho
wn
in
th
e
figure
.
AP
PL
ICA
TIO
NS
Hig
h v
olu
me
lo
ud
sp
ea
ke
r te
sti
ng
in
fa
cto
ry
envi
ronm
ents
.
Loudsp
eake
r ass
em
bly
test
ing f
or
cellp
hones
FE
AT
UR
ES
Mic
rop
ho
ne
is f
ixe
d a
t th
e p
recis
e p
osit
ion
fo
r
repeata
ble
measure
ments
Mic
rophone d
ista
nce
s ca
n b
e s
et
to 1
0 m
m o
r 30
mm
by
changin
g t
he f
ront
panel.
Sp
ec
ial
de
sig
ne
d c
ali
bra
tio
n a
da
pto
rs f
or
calib
ratio
n o
f m
icro
phone a
t th
e d
efin
ed d
ista
nce
.
Sp
ecia
l d
esig
n a
bso
rptio
n f
oa
m i
n t
he
an
ech
oic
box
to r
educe
the r
efle
ctio
ns
Ea
ch
AB
ox
38
0 w
as
ca
lib
rate
d u
sin
g G
old
en
sa
mp
les
an
d c
om
pa
rin
g w
ith
th
e r
es
ult
s o
f
IEC
60268-5
meth
od
Aco
ust
ical I
nput
Impedance
Resu
lts o
f AB
ox2
60
SP
EC
IFIC
AT
ION
S
Loudsp
eake
r Te
stin
g B
ox
AB
ox3
80
Sta
ndard
s
Siz
e (
mm
)
Inte
rnal S
ize (
mm
)
Mic
rophone T
ype
Mic
rophone d
ista
nce
(m
m)
Calib
ration A
dapto
rs
Applic
ation A
dapto
r
Forc
e o
n t
he D
UT
Refe
rred t
o I
EC
60268-5
260 x
250 x
500
160 x
170 x
90
MP
A416
10 o
r 30
Tw
o a
dapto
rs
Cust
om
ized d
esi
gn
5 ~
10 N
SP
EC
IFIC
AT
ION
S
Ear
Speake
r Te
stin
g B
ox
AB
ox2
60
Sta
ndard
s
Siz
e (
mm
)
Art
ifici
al E
ar
Pin
na S
imula
tor
Calib
ratio
n P
ara
mete
r
Applic
ation A
dapto
r
Forc
e o
n t
he D
UT
Weig
ht
ITU
-T R
ec.
P.5
7 a
nd I
EC
60711
260 x
250 x
500
AE
711
with
Pre
ssure
Mic
rophone M
P253 a
nd M
A221
Typ
e 3
.2 H
igh L
eak
Aco
ustical In
put
Impedance
Cust
om
ized d
esi
gn
5 ~
10 N
8 k
g
Ear S
peaker T
esti
ng B
ox
AB
ox
26
0A
Box
38
0
Loud S
peaker T
esti
ng B
ox
42
43
BH
ead
230/2
48
is
an a
rtifi
cial
head f
or
aco
ust
ic
me
as
ure
me
nt
an
d r
ec
ord
ing
. T
he
BH
ea
d2
30
/24
8 h
as
sim
ple
de
sig
n c
on
ce
pt,
wh
ich
is
“T
O
PU
T M
ICR
OP
HO
NE
S I
N T
HE
EA
RS
”. T
he
re
is n
o f
an
cy
ele
ctr
on
ics
or
dig
ita
l p
roc
es
sin
g i
n
the
BH
ea
d2
30
/24
8,
jus
t tw
o m
icro
ph
on
es
. T
he
BH
ea
d2
00
acc
ura
tely
re
pro
du
ces
all
aco
ust
ica
lly
rele
va
nt
pa
rts o
f th
e h
um
an
ou
ter
ea
r, a
llo
win
g
aura
lly a
ccura
te b
inaura
l reco
rdin
gs
of so
und e
vents
.
The m
ain
featu
res
are
:
Sim
ple
desi
gn a
nd e
asy
calib
ratio
n
Usi
ng t
wo I
CC
P m
icro
phones,
the s
ignals
can b
e
direct
ly t
o t
he a
naly
zers
and r
eco
rders
Exc
elle
nt
ph
ase
ma
tch
ed
mic
rop
ho
ne
s to
en
sure
the b
inaura
l effects
of
hearing
Larg
e d
ynam
ic r
ange f
rom
25 d
BA
to 1
35 d
BA
BH
ea
d2
30
/24
8 u
ses
an
alo
g t
ech
niq
ue
s fo
r si
gn
al
ou
tpu
t. T
his
te
chn
olo
gy
elim
ina
tes
an
y a
dd
itio
na
l
err
ors
ca
usin
g b
y d
igit
al
co
nve
rte
rs a
nd
filte
rs.
It c
an
be
use
d i
n t
he
sa
me
wa
y a
s co
nve
nti
on
al
mic
rophones.
AP
PL
ICA
TIO
NS
BH
ead B
Head230/2
48 is
desi
gned f
or
wid
e r
ange o
f
applic
atio
ns.
Bin
aura
l reco
rdin
gs
for
sound q
ualit
y analy
sis.
Test
ing
fo
r h
ea
dp
ho
ne
s, e
arp
ho
ne
s a
nd
au
dio
pro
duct
s.
Ste
reo r
eco
rdin
g f
or
perf
orm
ing a
rts.
Measu
rem
ents
of
hearing p
rote
ctors
SP
EC
IFIC
AT
ION
S
Art
ifici
al H
ead
Phase
diff
ere
nce
s of tw
o m
icro
phones
in B
Head 2
30/2
48
Model
Mic
rophones
Typ
e
Sensi
tivity
Fre
quency
Range
Pow
er
Requre
d
Dyn
am
ic R
ange
Back
gro
und N
ois
e
Phase
Matc
h
Sen.
Matc
h
Cro
ssta
lk
Outp
ut
Tripod T
hre
ad
Weig
ht
BH
ead230
MP
251
-40 d
B (
10m
V/P
a)
20 H
z ~
20 k
Hz
ICC
P
25 ~
135 d
BA
<25 d
BA
± 0
.5 º
up t
o 8
000 H
z
± 0
.2 d
B
- 80 d
B
BN
C
UN
C 3
/8”
6.0
kg
BH
ead248
MP
251
-40 d
B (
10m
V/P
a)
20 H
z ~
20 k
Hz
48V
phanto
m
25 ~
135 d
BA
<25 d
BA
± 0
.5 º
up t
o 8
000 H
z
± 0
.2 d
B
- 80 d
B
XLR
UN
C 3
/8”
6.0
kg
BH
ea
d 2
30
/ 2
48
Arti
ficia
l H
ead
VS
S2
10
V
olu
me
So
urc
e i
s a
mid
-fre
qu
en
cy
volu
me
so
urc
e.
It i
s id
ea
l a
cou
stic
al
sou
rce
fo
r
rec
ipro
cit
y m
ea
su
rem
en
ts a
nd
TP
A a
na
lys
is.
VS
S2
10 u
ses
a p
ow
er
speake
r drive
r to
deliv
er
up
to 1
25
dB
ove
r th
e f
req
ue
ncy
ra
ng
e f
rom
20
0 t
o
10,0
00 H
z.
Tw
o p
ha
se
ma
tch
ed
MP
A4
16
mic
rop
ho
ne
s
is i
ns
tall
ed
at
2 c
m a
pa
rt i
n t
he
ou
tle
t. T
he
mic
rop
ho
ne
s p
rovid
e t
he
so
un
d p
ressu
re a
nd
ph
as
e i
nfo
rma
tio
n f
or
ca
lcu
lati
ng
th
e v
olu
me
velo
city
radia
ted f
rom
the o
utle
t.
SP
EC
IFIC
AT
ION
S
Mid
-Fre
quency
Volu
me S
ourc
e V
SS
210
Fre
quency
Resp
onse
of
VS
S210 M
easu
red a
t 5 c
m f
rom
Outle
t in
the A
nech
oic
Cham
ber
Sta
ndard
s
Nom
inal Im
pedance
Pow
er
Handlin
g
Fre
quency
Range
Sound P
ow
er
Leve
l
Connecto
r
Loudsp
eake
r U
nit
Tube D
iam
ete
r
Tube L
ength
Weig
ht
Carr
ying C
ase
Dim
ensi
ons
NO
NE
8 Ω
100 W
contin
uous
200 H
z ~
10 k
Hz
120 d
B P
ink
Nois
e
Audio
Connecto
r
Com
pass
ion D
iver
100 W
30 m
m
3 m
5 k
g
420 x
420 x
320 m
m
Mid
-Fre
quency V
olu
me S
ource
VS
S2
10
44
45
TM
00
3 T
ap
pin
g M
ac
hin
e i
s a
ru
gg
ed
, s
elf
-
con
tain
ed
so
un
d s
ou
rce
fo
r m
aki
ng
fo
otf
all
no
ise
me
asu
rem
en
ts t
o t
he
la
test
inte
rna
tio
na
l sta
nd
ard
s
(IS
O140,
EN
20140, A
ST
M E
492,
GB
J75-8
4,
etc
.).
FE
AT
UR
ES
Fiv
e 5
00g h
am
mers
with
falli
ng h
eig
hts
of
40m
m
10 im
pacts
per
second
Solid
alu
min
um
base f
or
sta
ble
opera
tion
Reduced m
achin
e n
ois
e v
ia b
elt d
rive
Long lasting industr
ial drive m
oto
r
No
me
tal-
to-m
eta
l m
ovi
ng
pa
rts
resu
ltin
g i
n l
ess
wear
and s
mooth
opera
tion
24
V D
C p
ow
er
sup
ply
via
a 2
20
V/1
10
V A
C /
DC
adapto
r.
Re
mo
te c
on
tro
l w
ith
an
op
era
tin
g d
ista
nce
of
2
floors
.
Pri
ncip
le o
f O
pera
tio
n
TM
003 u
ses
an i
ndust
rial
stepper
moto
r tu
rnin
g fi
ve
cam
s vi
a a
belt
drive
for
quie
t opera
tion. T
he c
am
s in
turn
lift
the h
am
mers
whic
h f
all
40 m
m t
o im
pact
the
solid
an
d d
ura
ble
ba
se p
late
at
a r
ate
of
5 i
mp
act
s
pe
r se
con
d.
Th
e b
ase
is
ma
de
fro
m 3
/16
"(5
0 m
m)
solid
alu
min
um
ma
kin
g t
he
un
it ve
ry s
tab
le d
uri
ng
opera
tion.
Main
ten
an
ces
Sp
ecia
l co
nsid
era
tio
n w
as g
ive
n t
o a
ll t
he
mo
vin
g
pa
rts
of
the
un
it.
No
me
tal
to m
eta
l c
on
tac
t is
allo
we
d.
Teflo
n w
ash
ers
an
d s
pa
cers
are
use
d t
o
gu
ide
th
e h
am
me
rs,
red
uci
ng
fri
ctio
n,
we
ar,
no
ise
,
and m
ain
tenance
.
OS
003
is a
new
sty
le O
mni S
ound S
ourc
e d
esi
gned
by B
SW
A.
It u
se
s 1
2 m
atc
he
d l
ou
dsp
ea
ke
rs i
n a
do
de
ca
he
dra
l co
nfi
gu
rati
on
. A
ll t
he
lo
ud
sp
ea
ke
rs
un
its a
re s
tric
tly s
ele
cte
d a
nd
co
nn
ect
ed
in
a s
eri
es-
para
llel n
etw
ork
to e
nsu
re b
oth
in-p
hase
opera
tion a
nd
matc
hin
g im
pedance
.
Th
e s
pe
ak
er
en
clo
su
re i
s a
ll m
eta
l p
rov
idin
g a
rug
ge
d,
solid
co
nst
ruct
ion
re
sultin
g i
n h
igh
aco
ust
ic
pe
rfo
rma
nce
. T
he
OS
00
3 i
s co
mp
act
an
d a
bo
ut
12
”
(30cm
) in
dia
mete
r, W
ith its
hig
h o
utp
ut
pow
er,
it
is a
n
ide
al
cho
ice
fo
r so
un
d i
nsu
latio
n,
aco
ust
ic r
eci
pro
city
and m
any
oth
er
sound s
ourc
e m
easu
rem
ents
.
PA
50
is a
sin
gle
-ch
an
ne
l p
ow
er
am
plif
ier
wit
h a
po
we
r a
t 5
0W
. D
esi
gn
ed
to
be
lig
ht
we
igh
ted
, P
A5
0
is e
qu
ipp
ed
with
pro
tect
ion
cir
cuit t
ha
t o
the
r p
ow
er
am
plifi
ers
of
hig
her
price
have
.
Th
e P
A5
0 i
s id
ea
l u
nit
for
imp
ed
an
ce t
ub
e a
nd
au
dio
test
ing.
SW
A100
P
ow
er A
mplifi
er
pro
duce
s an a
mazi
ng
100W
per
channel at
8 Ω
for
its incr
edib
ly c
om
pact
size
and low
weig
ht.
It
has
the s
am
e f
eatu
res
and
pro
tect
ion
cir
cuit
s n
orm
ally
fo
un
d o
nly
in
mo
re
exp
en
sive
, la
rge
r, a
nd
he
avi
er
am
plif
iers
. It
s tw
o
ch
an
ne
ls c
an
be
use
d i
nd
ep
en
de
ntl
y o
f e
ach
oth
er.
Th
e S
WA
10
0 i
s sp
eci
ally
de
sig
ne
d t
o u
se
pass
ive c
oolin
g r
em
ovi
ng t
he n
eed (
and n
ois
e)
of
a c
oolin
g f
an.
SP
EC
IFIC
AT
ION
S
Om
ni-S
ound S
ourc
e O
S003
Pow
er A
mplifi
ers
PA
50
Pow
er A
mplifi
ers
SW
A100
SP
EC
IFIC
AT
ION
S
Tappin
g M
ach
ine T
M003
STA
ND
AR
D I
TE
MS
IN
CLU
DE
D
46
47
BS
WA
30
8 /
30
9 a
re l
ow
co
st
inte
gra
tin
g s
ou
nd
leve
l m
ete
rs.
BS
WA
30
8 c
om
plie
s w
ith t
he
IE
C6
16
72
Cla
ss 1
sta
nd
ard
s w
hile
BS
WA
30
9 c
om
plie
s w
ith
Cla
ss 2
sta
ndard
.
Th
e i
nstr
um
en
ts f
ea
ture
an
in
du
str
ially d
esig
ne
d
housi
ng w
hic
h o
ffers
a h
igh le
vel o
f co
mfo
rt a
nd s
tyle
.
Th
e 1
/2”
me
asu
rem
en
t m
icro
ph
on
es
are
eq
uip
pe
d
with T
NC
connecto
r and c
an b
e o
pera
ted o
r deta
ched
from
the u
nit
via m
icro
phone e
xtensi
on c
able
.
Th
e u
se
of
hig
h p
rec
isio
n 2
4B
its
AD
co
nv
ert
er
BS
WA
308/3
09 S
ound L
eve
l Mete
r
Optional A
ccessories
Dete
ctio
n,
filte
ring
Measu
rem
ent
funct
ions
Inte
gra
tion t
ime
Measu
rem
ent
Fre
quency
weig
htin
g
Tim
e w
eig
hting
Octa
ve
Mach
ine n
ois
e
Up li
mit
Fre
quency
Range
Dyn
am
ic R
ange
Range s
ett
ing
AD
dig
its
Sam
plin
g f
requency
Analy
sis
rate
Nois
e c
urv
e
LC
D d
ispla
y
Sto
rage
Post
-pro
cess
ing s
oft
ware
Exp
ort
data
Outp
ut
Ala
rm
Pow
er
RT
C c
lock
Opera
tion T
em
pera
ture
Tem
pera
ture
measure
ment
Siz
e
Weig
ht
IEC
61672 C
lass
1,
IEC
60651 C
lass
1,
and I
EC
60804 C
lass
1
IEC
61672 C
lass
2,
IEC
60651 C
lass
2,
and I
EC
60804 C
lass
2
MP
A231T:
1/2
inch
pre
-pola
rize
d m
easu
rem
ent
mic
rophone ,
Cla
ss 1
,
Sensi
tivity
: 5
0m
V/P
a F
requency
Range :
10-2
0kH
z T
NC
connect
or
MP
A309T:
1/2
inch
pre
-pola
rize
d m
easu
rem
ent
mic
rophone ,
Cla
ss 2
Sensi
tivity
: 5
0m
V/P
a F
requency
Range :
10-1
2.5
kHz
TN
C c
onnect
or
All-
dig
ital s
ignal p
roce
ssin
g
LX
Y(S
PL),
LX
rms,
LX
eq,
LX
Ysd
, LX
sel,
LX
e,
LX
Ym
ax,
LX
Ym
in,
LX
Peak,
LX
N
Where
X is
the f
requency
weig
htin
g :
A,
C,
Z; Y
is t
ime w
eig
htin
g :
F, S
, I
N is
the s
tatis
tical p
erc
enta
ge o
f .1
-99 a
rbitr
ary
set
Inte
gra
tion t
ime is o
ptional
Auto
matic m
easure
ment
The m
easu
rem
ent
data
may
be s
tore
d in
to t
he S
D c
ard
with
period
of
measu
re t
ime
Para
llel A
, C
, Z
Para
llel F
, S
, I,
and c
an m
easu
re P
eak
5 O
ctave
:31.5
Hz,
63 H
z, 1
25 H
z, 2
50 H
z, 5
00H
z
Ele
ctric
signal :
BS
WA
308:
14dB
(A),
17dB
(C),
23dB
(z)
Sound s
ignal :
BS
WA
308:
21dB
(A),
24dB
(C),
32dB
(z)
Ele
ctric
signal :
BS
WA
309:
18dB
(A),
21dB
(C),
27dB
(z)
Sound s
ignal :
BS
WA
309:
23dB
(A),
26dB
(C),
35dB
(z)
131 d
B(A
) (5
0m
V/P
a m
icro
phone )
Exp
andable
up t
o 1
60dB
(A
)
10~
20kH
z
102 d
B(A
)
Hig
h /
low
tw
o s
teps
, ca
n b
e a
uto
matic
ally
/ m
anually
adju
st
24
48kH
z
64 t
imes
/ se
c
Dom
ain
show
s th
e n
ois
e c
urv
e,
His
tory
tim
e:
1m
in,
2m
in,
10m
in o
ptio
nal
160x1
60 L
CD
, w
ith b
ack
light
4G
Mic
ro S
D(T
F)
Use
pro
cess
ing s
oft
ware
VA
-SLM
to r
ead t
he s
tore
file
s ,
analy
sis,
and
genera
te r
eport
s
Use
ada
pter
(M
icro
SD
to S
D c
ard
sets
), o
r di
rect
ly c
onne
ct th
e co
mpu
ter
to r
ead
the
mem
ory
card
dat
a fil
es
AC
(m
axi
mum
outp
ut
5V
rms
of)
, D
C (
10m
V/d
B),
RS
-232 s
erial i
nte
rface
Can b
e s
et
to A
larm
ing
4 o
n t
he 5
th 1
.5V
alk
alin
e b
att
eries
(LR
6/A
A/A
M3),
sust
ain
ab
le u
se o
f m
ore
than 1
8 h
ours
. I
t ca
n
als
o b
e a
n e
xtern
al 7
-14V
DC
pow
er
supply
Built
-in b
ack
up b
att
ery
. It
is n
o n
eed t
o r
ese
t w
hen r
epla
cin
g t
he b
att
ery
-10
~50
(14°F
~122°F
)
Real-tim
e t
em
pera
ture
on t
he m
ain
scr
een
300 x
70 x
36 m
m
About
620g,
incl
udin
g b
att
eries
Sta
ndard
Mic
rophone
Ext
ensi
on c
ord
s
Printe
r
5m
, 10m
, 50m
Mic
rophone t
o t
he h
ost
Min
iatu
re t
herm
al p
rinte
r, w
ithout
ribbon,
RS
232 in
terf
ace
BS
WA
308
BS
WA
309
BS
WA
308
BS
WA
309
BS
WA
30
8/3
09
Sound L
evel
Meter
ma
ke
s t
he
in
str
um
en
t a
n
ide
al
ch
oic
e f
or
pe
rfo
rmin
g
ma
ny
ap
pli
ca
tio
ns
su
ch
as
en
vir
on
me
nta
l n
ois
e,
ve
hic
le
no
ise
, a
nd
in
du
str
ial
no
ise
test
ing
. It
ca
n m
ea
sure
th
ree
pa
ram
ete
rs s
imu
lta
ne
ou
sly
with
the A
, C
, and Z
fre
quency
weig
htin
gs
and w
ith F
, S
, and I
time w
eig
htin
gs.
Dosi
meter
iDo
sim
ete
r 2
08
iDo
sim
ete
r 2
08
is a
pe
rso
na
l n
ois
e d
osim
ete
r
de
ve
lop
ed
ba
se
d o
n i
Ph
on
e a
nd
An
dro
id
sm
art
ph
on
es.
It i
s d
esig
ne
d f
or
ind
ustr
ial
hyg
ien
e
an
d s
afe
ty p
rofe
ssio
na
ls t
o m
on
ito
r n
ois
e e
xpo
sure
effi
ciently
and p
rovi
des
tools
to e
mpow
er
work
er
self-
ma
na
ge
me
nt
of
no
ise
exp
osu
re.
It i
s co
nve
nie
nt
an
d
cost
effe
ctiv
e t
oo
l to
ma
na
ge
th
e n
ois
e i
n w
ork
pla
ce.
The f
unct
ions
of
the iD
osi
ment
208 a
re e
asi
ly u
pdate
d
by
soft
ware
on t
he p
hones.
SP
EC
IFIC
AT
ION
S
Dosim
ete
r iD
osim
ete
r 208
Sta
ndard
s
Mic
rophone
Soft
ware
pla
tform
Leve
r M
ete
r
Sound E
xposu
re
Fre
quency
Weig
htin
g
Tim
e d
ete
cto
r
Fre
quency
Range
Measu
rem
ent
Range
Pre
cisi
on
Sam
plin
g R
ate
Scre
en
Pow
er
Opera
ting
Tem
pera
ture
Rage:
Siz
e
Weig
ht
Depend o
n t
he m
obile
phone
and S
oft
ware
to m
eet
IEC
61252 2
002,
GB
15952 2
010-T
MP
i 825, T
ype 2
,
dia
mete
r: 4
mm
Andro
id a
nd I
OS
. S
upport
third-
part
y so
ftw
are
.
LX
Y(S
PL),
LX
eq,
LX
Ym
ax,
LX
Ym
in,
LX
peak
While
X=
A,
C,
Z, Y
=F,
S,
I
SE
L,
E,
perc
ent
of
Lim
it
A,
C,
Z
F, S
, I
63 ~
8k
Hz
80 ~
130dB
(A
)
24 b
its (
Gala
xy a
nd iP
hone 4
)
48 k
Hz
(Gala
xy a
nd iP
hone 4
)
Depended o
n m
obile
phones
Batt
ery
of
mobile
phone
As m
obile
phone
As m
obile
phone
As m
obile
phone
FE
AT
UR
ES
Acc
ura
cy w
ithin
2 d
BA
for
Leq;
3dB
A f
or
SP
L
Su
pp
ort
iP
ho
ne
4 a
nd
4s
an
d S
am
sun
g G
ala
xy
S2 a
nd S
3
A,
C,
Z F
requency
Weig
htin
g f
or
RM
S a
nd P
eak
Tim
e C
onst
ant:
F,S
I
On
e t
ime
ru
n w
ith g
ive
n t
ime
du
ratio
n,
an
d a
uto
-
stop,
auto
-save
.
Re
al-
tim
e S
PL
an
d s
ou
nd
ex
po
su
re d
isp
lay,
So
un
d e
xpo
sure
ca
n b
e E
, L
EQ
, %
or
8 h
ou
rs
equiv
ale
nt
leve
l.
Pe
ak
mo
nit
or
an
d s
elf
-lo
ck
ing
wh
en
ex
ce
ed
criti
eria.
Data
loggin
g g
iven t
ime inte
rvals
Th
e i
Do
sim
ete
r 2
08
use
s M
Pi8
25
mic
rop
ho
ne
wh
ich
is s
pe
cia
lly d
eve
lop
ed
fo
r iP
ho
ne
an
d s
ma
rtp
ho
ne
s
wit
h m
ea
su
rem
en
t q
ua
lity
. T
he
ph
on
es
wil
l b
e
auto
matic
ally
connect
ed to M
Pi8
25 w
hen it
is p
lugge
d
into
th
e h
ea
dp
ho
ne
ja
cke
t o
n t
he
sm
art
ph
on
es.
Th
e m
ea
sure
me
nts
will
be
sta
rte
d b
y cl
icki
ng
th
e
applic
atio
n s
oft
ware
.
Th
e i
Do
sim
ete
r 2
08
is a
ne
w a
nd
in
no
va
tive
de
vic
e
to m
ea
su
re n
ois
e i
n w
ork
pla
ce
. T
he
accu
racy o
f
the
me
asu
rem
en
ts w
ill
be
im
pro
ve
d t
hro
ug
h t
he
soft
wa
re u
pg
rad
ing
. T
he
lo
w f
req
ue
ncy
cu
toff
in
th
e
smart
phones
is c
orr
ect
ed b
y th
e s
oft
ware
.
48
49
NM
T 1
000
Outd
oor
Nois
e M
onito
ring T
erm
inal
is
a p
ow
erf
ul
an
d i
nte
llig
en
t n
ois
e m
on
ito
rin
g t
erm
ina
l
op
tim
ize
d f
or
ou
tdo
or
use
. N
MT
10
00
is
a H
ype
r-
Inte
gra
ted
no
ise
mo
nit
or
syste
m t
ha
t ca
n b
e l
eft
un
att
en
de
d a
s p
art
of
an
en
vir
on
me
nta
l n
ois
e
mo
nito
rin
g s
yste
m f
or
mo
bile
, fix
ed
an
d s
em
i-fix
ed
mo
nito
rin
g.
NM
T 1
00
0 t
erm
ina
l ca
n s
tore
12
da
ys
of
no
ise
da
ta a
nd
tra
nsi
t d
ata
via
GP
RS
/CD
MA
. It
can
be
use
d i
n a
ll cl
ima
tic e
nvi
ron
me
nts
, e
spe
cia
lly
su
ita
ble
fo
r in
du
str
ial,
cit
y, a
nd
file
d.
Th
e n
ois
e
mo
nito
rin
g t
erm
ina
l ca
n b
e r
em
ote
ly c
on
tro
lled
by
PC
via
GP
RS
/CD
MA
.
VA
-En
vS
tan
1.0
Ou
tdo
or
So
ftw
are
Su
it
for
term
ina
l N
MT
10
00
is
use
d t
o c
on
figu
re
and d
ow
nlo
ad n
ois
e d
ata
(1-s
eco
nd L
eq o
r S
PL)
and
che
ck t
he
sta
tus
of
the
sys
tem
. It
ca
n a
lso
se
t th
e
term
inal date
and t
ime.
VA
-EnvS
tan 1
.0 c
an o
pera
te
via G
PR
S/C
DM
A a
nd U
SB
. T
he N
MT
1000 c
an s
tore
da
ta i
n t
erm
ina
l m
em
ory
, a
nd
VA
-En
vSta
n 1
.0 c
an
dow
nlo
ad t
he n
ois
e d
ata
and s
ave
it a
s .t
xt fi
le w
hic
h
can b
e i
nput
to V
A-S
LM
outd
oor
soft
ware
for
furt
her
analy
ses.
FE
AT
UR
ES
Seale
d e
ncl
ose
r m
eet
IP65 s
tandard
.
Suita
ble
for
stable
, lo
ng-t
erm
, co
ntin
uous
outd
oor
monito
ring.
The p
ow
er
of
NM
T 1
000 is
poss
ible
fro
m a
variety
of
sourc
es.
For
exa
mple
an e
xtern
al
UP
S c
an b
e
connect
ed t
o r
epla
ce t
he 2
20V
supply
.
Re
mo
te o
pe
rati
on
via
GP
RS
/CD
MA
, o
r b
e
contr
olle
d v
ia U
SB
.
16
M i
nd
ust
ria
l fla
sh m
em
ory
fo
r sa
fe,
lon
g-t
erm
back
-up.
Onboard
hig
h s
table
and e
xtre
mely
acc
ura
te r
eal-
tim
e c
lock (
RT
C),
wit
hin
±2
min
ute
s p
er
ye
ar
acc
ura
cy f
rom
-20°C
to +
50°C
.
1-s
eco
nd L
eq o
r S
PL
measu
rem
ents
.
Dyn
am
ic r
ange o
f 100 d
B.
Th
e c
on
fig
ura
tio
n s
oft
wa
re a
nd
po
st-
pro
ce
ss
so
ftw
are
op
era
te o
n M
icro
so
ft W
ind
ow
s 2
00
0,
Win
dow
s X
P o
r W
indow
s 7.
Po
st-
pro
ce
ssin
g s
oft
wa
re c
an
cre
ate
pe
rio
dic
sta
tist
ica
l re
po
rts
incl
ud
ing
SP
L,
Le
q,
Ln
, L
min
,
Lm
ax,
and L
dn.
Ind
ep
en
de
nt
syst
em
su
pe
rvis
or
ma
kes
sure
th
at
the s
yste
m c
an b
e r
eboot
from
shut
dow
n o
r oth
er
acc
ident.
Th
e N
MT
ca
n b
e c
on
fig
ure
d a
nd
ca
libra
ted
by
dow
nlo
adin
g d
ata
via
GP
RS
/CD
MA
or
US
B.
All-
weath
er
opera
tion.
VA
-En
vS
tan
1.0
FE
AT
UR
ES
Dow
nlo
ad n
ois
e d
ata
via
GP
RS
/CD
MA
. and U
SB
and
save
data
as
.txt
file
.
Config
ure
and o
pera
te t
he N
MT.
Calib
rate
NM
T.
Ch
ec
k t
he
sta
tus
of
NM
T a
nd
ge
t th
e s
ys
tem
info
rmatio
n.
Dow
nlo
ad t
erm
inal o
pera
tion lo
g fi
le.
Save
nois
e d
ata
auto
matic
ally
.
VA
-SL
M O
utd
oo
r p
os
t-p
roc
es
s s
oft
wa
re
of
NM
T 1
00
0 p
erf
orm
s a
ll t
he
an
aly
se
s n
ee
de
d f
or
envi
ronm
enta
l nois
e m
easu
rem
ents
. It
can c
alc
ula
te L
n,
Lm
in,
Lm
ax,
an
d e
tc.
All
valu
es
can
be
ca
lcu
late
d f
or
diffe
ren
t p
eri
od
an
d c
rea
te c
urv
e w
ith
se
lecte
d a
ve
rag
e
time.
For
exa
mple
, yo
u c
an g
et
the s
tatis
tical i
nfo
rmatio
n
of
a w
ho
le d
ay
or
ev
ery
ho
ur
inc
lud
ing
To
tal
Le
q
dis
trib
utio
n a
nd
th
e q
uic
k re
sults
fo
r a
se
lect
ed
pe
rio
d
calc
ula
ting
Le
q,
ma
xim
um
va
lue
s, m
inim
um
va
lue
s a
nd
thre
e L
n v
alu
es
(L10,
L50,
L90).
VA
-SL
M O
utd
oo
r P
ost-
pro
cessin
g
Calc
ula
te C
alc
ula
te L
n,
Ldn,
Lm
ax,
Lm
in,
and L
eq f
or
diff
ere
nt
period o
f tim
e.
Cre
ate
curv
e w
ith d
iffe
rent
avera
ge t
ime
Cre
ate
periodic
sta
tistical re
port
s
AP
PL
ICA
TIO
NS
Air
po
rt,
city
, tr
aff
ic,
ind
ust
ria
l n
ois
e
monitoring
Unin
terr
upte
d n
ois
e m
onito
ring
Term
inal
Term
inal
GP
RS
Com
pute
r
Outd
oor N
ois
e M
onit
ori
ng T
erm
inal
NM
T1
00
0
VA
-EnvS
tan
1.0
Co
nfi
gu
rati
on
So
ftw
are
Outd
oor N
ois
e M
onit
ori
ng S
oft
ware
50
51
Mo
de
l C
BB
nn
n:
BN
C t
o B
NC
ca
ble
s u
sed
to
connect
BN
C m
icro
phones
or
transd
uce
rs w
ith d
ate
acq
uis
ition s
yste
m o
r te
st e
quip
ment.
Model n
um
ber
indic
ate
s ca
ble
length
(i.e
. B
B020 f
or
20 m
.)
Mo
de
l C
UB
nn
n:
10
-32
UN
F (
or
M5
) to
BN
C
cable
s co
mm
only
use
d t
o c
onnect
acc
ele
rom
ete
rs
or
oth
er
tra
nsd
uce
rs t
o a
cqu
isit
ion
sys
tem
an
d
an
aly
zers
. M
od
el
nu
mb
er
ind
ica
tes
cab
le l
en
gth
.
Als
o a
va
ila
ble
are
ca
ble
s s
uit
ab
le f
or
hig
h
tem
pera
ture
envi
ronm
ents
.
Mo
del
CS
Bn
nn
: S
MB
to B
NC
cable
s use
d f
or
con
ne
ctin
g S
MB
mic
rop
ho
ne
s to
acq
uis
itio
n i
np
ut
channels
.
Mo
de
l C
UU
nn
n:
10
-32
UN
F/M
5 t
o 1
0-3
2
UN
F/M
5 C
able
s. A
lso a
vaila
ble
are
cable
s su
itable
for
hig
h t
em
pera
ture
envi
ronm
ents
.
Mo
del
CS
Sn
nn
: S
MB
to S
MB
Cable
s.
Mo
de
l C
LL
7n
n:
7 P
in L
EM
O f
em
ale
to
7
Pin
LE
MO
ma
le C
ab
les.
It
is u
sed
wit
h M
V2
01
pre
am
plifi
er.
Mo
de
l C
LS
8n
n:
8 p
in L
EM
O m
ale
to
8 S
MB
con
ne
cto
rs C
ab
le.
It i
s u
sed
with
th
e m
icro
ph
on
e
arr
ay.
o B
NC
ca
b
nn
n:
SM
B t
o B
NC
cable
s
ho
ne
s to
acq
uis
CS
Sn
nn
: S
MB
to S
MB
Cable
s.
nn
n:
10
-32
UN
F/M
5 t
o 1
0-3
2
lab
le a
re c
able
s su
itabl
-32
UN
F (
or
M5
)
t acc
e
Cable
s
Win
dscre
en
s
Ad
ap
tors
fo
r C
ali
bra
tio
n
Mic
rop
ho
ne F
ixin
g C
on
necto
rs
Rain
-pro
tecti
on
Cap
No
se C
on
e
Mic
rop
ho
ne A
dap
tors
fo
r P
ream
pli
fiers
Tri
po
ds
Ro
tati
on
Sta
nd
fo
r M
icro
ph
on
e
WS
00
2-9
/WS
00
4-9
: 9
0m
m
dia
me
ter,
sp
he
rica
l w
ind
scre
en
fo
r
1/2
″or
1/4
″mic
rophones.
WS
00
2-5
/WS
00
4-5
: 5
0m
m
dia
me
ter,
sp
he
rica
l w
ind
scre
en
fo
r
1/2
″or
1/4
″mic
rophones.
AD
002-1
/2: A
dapte
r fr
om
1/2
″to 1
″
AD
002-1
/4: A
dapte
r fr
om
1/4
″to 1
/2″
FC
00
2/F
C0
04
: U
se
d f
or
fixin
g t
he
1/2
″or
1/4
″mic
rop
ho
ne
to
th
e f
ixtu
re
such
as
trip
od w
ith c
am
era
thre
ad.
It
can
als
o h
elp
to
ad
just
th
e p
osi
tion
of
the m
icro
phone o
n t
he fi
xture
.
OM
-A0
2:
It c
an
be
in
sta
lle
d o
n t
he
1/2
″mic
rophones
to p
rote
ct f
rom
rain
.
Wh
en
use
d f
or
1/4
″mic
rop
ho
ne
s, a
n
adapto
r is
needed.
NC
00
2:
Sp
ec
iall
y d
es
ign
ed
win
ds
cre
en
fo
r 1
/2″m
icro
ph
on
es
exp
ose
d t
o s
trong w
inds.
TA
04
2:
Ad
ap
tor
for
1/4
’’ m
icro
ph
on
e
and 1
/2’’
pre
am
plifi
er.
TA
02
1:
Ad
ap
tor
for
1’’
mic
rop
ho
ne
and 1
/2’’
pre
am
plifi
er.
Tripods-
01:
It is
use
d f
or
mic
rophones.
Tripods-
02:
It is
use
d f
or
Sound L
eve
l Mete
rs.
Tripods-
03:
It is
use
d f
or
arr
ay.
MF
70
1 i
s a
mic
rop
ho
ne
ro
tati
on
sta
nd
d
es
ign
ed
a
cc
ord
ing
to
ISO
140 a
nd G
B19889.
It i
s use
d f
or
me
asu
rin
g s
pa
ce
-ave
rag
ed
so
un
d
pre
ssu
re l
eve
l in
th
e r
eve
rbe
ratio
n
roo
ms
. T
he
MF
70
1 r
ota
tes
th
e
mic
rop
ho
ne
s i
n t
he
cycle
mo
tio
n.
Th
e m
icro
ph
on
es c
an
be
fix
ed
on
the
arm
in
th
e M
F7
01
. T
he
ro
tatio
n
sp
ee
d i
s a
dju
sta
ble
fro
m 1
to
10
Rev/
min
.
WS
00
2-3
: E
llip
tica
l w
ind
scre
en
fo
r
1/2
″mic
rophones.
Win
ds
cr
ee
n
for
o
utd
oo
r
mic
rophones.
Accessori
es
BSWA
BSWA Technology Co., Ltd.
Version 2012.7
Room 1003, North Ring Center
#18 Yumin Road
Xicheng District
Beijing 100029
China
Phone: 86 10 5128 5118
Fax: 86 10 8255 1626
Email: info@bswa-tech.com
Web: www.bswa-tech.com