LASER CM20

This product contains an invisible infra-red 5mW laser.

Any dismantling of the product may result in dangerous exposure to laser radiation.

Detail of internal protective housing label, class 3, which is mounted on laser module.

This product is a class 1 laser product which complies with both USA21 CFR 1040.10 &1040.11 and (BS) EN 608285-1

Please note that users are not required to access the laser radiation and shouldnever do so.

LASER CM20 LASER INFORMATION

LASER CM20 © Parker Hannifin (UK) Ltd 2004

DANGER – INVISIBLELASER RADIATION WHEN

OPEN. AVOID DIRECTEXPOSURE TO BEAM.

Introduction

The Parker Laser CM20 Contamination Monitor represents the most upto- datetechnology in solid particle contamination analysis, and the first truly portablemonitor.

Laser CM20 is a complex instrument, but at the same time has reliability, simplicity andease of operation designed-in.

This owner’s manual has been carefully prepared to guide you, the user, step by stepthrough how to ‘get started’, how to obtain measurements and how to interpret the results.Additional information relating to the ‘Aggressive Fluids’ monitor is also included.

The real benefits to be gained from Laser CM20 will be achieved through regular useparticularly as an effective comparator.

With a typical test taking only 2 minutes the opportunities for Laser CM20 as your standardfluid contamination monitoring instrument are considerable.

Above all, Laser CM20 has been designed to be used.

ContentsPage

LASER CM20 FEATURES 3.LASER CM20 BENEFITS 4.ANNOTATED DIAGRAMS 5.GETTING STARTED 9.BASIC OPERATION 13.ADDITIONAL FEATURES 24.DATA INTERPRETATION 25.COMPONENT CLEANLINESS GUIDELINES 30.ISO CONTAMINATION CHARTS 31.HYDRAULIC CIRCUIT DIAGRAM 34.LOGIC DIAGRAM 35.DIAGNOSTICS 36.REAR PANEL 39.SPECIFICATIONS 40.ORDERING INFORMATION 42.OPERATION CHECK LIST 43.'AGGRESSIVE FLUIDS' 44.

2

CONDITIONMONITORING

LASER CM20 LASER INFORMATION

LASER CM20 CONTENTS


Features

Test Time: 2 minutes.Repeat Test Time: Every 2 minutes.

Principle of Operation: Optical scanning analysis and measurement of actualparticulates.

Particle counts: 2+, 5+, 15+, 25+, 50+ and 100+ microns.International codes: ISO 7-22 NAS 0-12

Certification: This product complies with all relevant EC declarations of conformity.

Memory store: 300 test (scrolling memory) capacity.Calibration: By accepted on-line methods confirmed by the relevant

International Standard Organisation procedures.Re-calibration: Consult Parker.

Max. working pressure: 420 bar.Max. flow rate: 400 l/min when used with System 20 Sensors. Higher with

Single Point Sampler (Consult Parker).Working Conditions: Laser CM20 will operate with the system working normally.

Printer facility: Integral 16 column printer for hard copy data.Computer compatability: Interface via RS 232 connection @ 9600 baud rate.

Portability: Only 8 kg. Laser CM20 has its own battery pack.Power requirement: Battery powered or via a 12vDC input (not supplied).System connection: Via System 20 Inline Sensors or the Single Point Sampler.Leak free sampling: System 20 sensors ensure sealed fluid extraction and no

contamination ingress.

FAIL SAFE FEATURES

Special ‘Diagnostics’ are incorporated into the Laser CM20 micro processor control toensure effective testing.

Circuitry: Incorporates an internal diagnostic programme to ensureintegrity of results.

Adequate flow: Flow test facility ensures adequate flow.

DATA MANAGEMENT

A specially designed DATUM software package is available to enable downloading of testresults onto a computer.

3

LASER CM20 6 CHANNEL


Benefits

• Routine contamination monitoring of oil systems with Laser CM20 saves time andsaves money.

• Contamination monitoring is now possible while machinery is working – Laser CM20saves on production downtime.

• Instant, accurate results are available to international standards in hard copy form.That means system maintenance decisions can be taken immediately.

• Laser CM20 ensures that machinery hydraulic systems are tested in manufacture toISO cleanliness standards.

• Internal diagnostic feature ensures Laser CM20 will work accurately and reliably.

• Computer interfacing available for downloading data on to compatible computer.

• Totally portable, can be used as easily in the field as in the laboratory.

• Manufactured from lightweight Lexan foam which is both durable and strong.

• User friendly instrument improves familiarity and awareness of service and maintenancepersonnel.

4

LASER CM20 6 CHANNEL


Monitor – Front View

5

LASER CM20 ANNOTATED DIAGRAM


Monitor – Rear View

6



Hand-held Readout

7



Micron Sizes

Count

OperatorValve

Bleep

ChargeMode

Print Result

Set Display

Alpha NumericDisplay

Display Status

Low Battery

Paper Feed

Standard Select

Alpha NumericKeys

Battery Insertion

Laser CM20 can also be powered from a regulated 12Vdc supply (see specifications page)

Step

1 Remove battery compartment

2 Insert batteries in the sequence shown

3 Replace battery compartment

8



6x1.5 volt batteries are required.ALKALINE

9

LASER CM20 GETTING STARTED


To set Laser CM20 to record time and date of tests.

Step

1 Switch Laser CM20 on.

2 Remove handset and check display is working Total display will remain on for 4 seconds.

3 Press and hold for 5 seconds.

Use to move cursor under Y

if ‘Memory Reset’ is required.

Use to move cursor under N

if ‘Time and Date’ reset is required.

Press button.

4 Time mode displayed.

5 Enter correct time using numeric key pad.

Press.

6 Press.

MODE

MODE

1

8

7 Press.

8 Press.

9 When correct time is

displayed press.

10



MODE

0

3

To set date.

Step

1 Having confirmed time by pressing you are ready to set date.

2 Enter correct date using numeric keypad

Press.

3 Press.

4 Press.

5 Press.

6 Press.

7 Press.

8 When correct date is displayed press.

11



1

9

1

0

5

4

MODE

MODE

Installing paper and ribbon into the printer.

Step

1 Remove cover and reel axle.

2 Place ribbon cassette in printer(follow numbered sequence)

3 Feed paper under printer roller.

4 Press paper feed button onhand held unit.

5 Place paper in paperwell.

6 Feed paper through coverand secure cover.

12



13

LASER CM20 BASIC OPERATION


The Laser CM20 is now ready to check the cleanliness level of your system. Readingscan be taken at full working pressure 420 bar (max.) In conjunction with System 20Sensors.

Note: The Laser CM20 is supplied filled with hydraulic oil and may need to be flushedprior to use.

Step

1 Disconnect hydraulic hoses from the ‘hose tidy’.

2 The Laser CM20 is designed foruse in connection with System 20 size 0, 1 and2 Industrial Sensors or the Single Point Sampler.

Note: ‘Aggressive Fluids’ monitormust be connected to a specialSystem 20 Sensor orSingle Point Sampler.

3 Ensure Sensor is installed with arrow in direction of flowWorking viscosity 2-100 cSt.

Ensure minimum working pressure of 2 BarEnsure adequate oil flow through Sensor

Size 0 – 12 litres per minuteSize 1 – 40 litres per minuteSize 2 – 160 litres per minute

Disconnect protection caps 1 and 2 only (red and yellow)

4 Connect red hose loosely to Sensor inlet.

5 Connect yellow hose loosely to Sensor outlet.

6 Simultaneously tighten the couplings finger tight.

The Laser CM20 is now connected to the fluid to be checked.14



1

2

We recommend Laser CM20 is connected to operating system sensor for 5 minutesto allow fluid condition to stabilise before commencing test.

It is also recommended that an independent flow check be carried out if there ishigh viscosity oil and low flow through System 20 sensor, or the unit is beingoperated without the trace heating option in cold ambient temperatures.

Independent Flow Test

1 Switch Laser CM20 on.

2 Press for 5 seconds.

3 Flow test willcommence, the displaywill show.

4 After 30 seconds the printer willprint out the results of the flowtest.

5 A ∆T (Temp) of ≤03.60°C or lessis required for a successful testto be achieved.

6 If the ∆T value is >03.60°C then theflow rate through the System 20Sensor should be increased orthe system oil temperature raised.

15



LASER CM FLOWTEST

Step

1 Select ISO or NAS standard.This determines the format oftest data stored.

2 Observe position of operation control valve system or

3 Turn valve 90° in indicateddirection. Valve position can bechecked from the topof the Monitor....

.... or from the front of the Monitor.

Important:Only turn the valvewhen starting a testand only whenthe valve turnsymbol

or is shown onthe display.

Testing will commence immediatelyThe test will take approximately 2minutes. The duration bar will runacross the screen for the durationof the test in 12 segments.

During each test, the appropriatetest number will appear on thedisplay. Example indicates testnumber 001 in progress.

16



ISO/NAS

ISO Mode

Step

1 When the test is complete the ISO Code will automatically be displayed.

2 Particle countTo obtain a count for the 2µ particles

press the button.

All particle counts are representativeof 100 ml samples.

3 A count for 2µ will be displayed.

4 Press for the 5µ count.

5 Press again to obtain the 15µ count.

6 Press again to obtain the 25µ count.

17



MODE

22:20:14

2µ

92:35:19>5µ

10:00: 1>15µ

45: 1:>25µ

Step

7 Press for the 50µ count.

8 Press once more for the100µ count.

9 Use to return to previous particle count screen.

18



11: :>50µ

19



ISO/NAS

MODE

11: :>50µ

66:15:15µ - 25µ

14:63:25µ - 50µ

36:45:345µ - 15µ

NAS Mode

When the test is complete the NAS Code will bedisplayed automatically.

Step

1 Press the button to set NAS mode.NAS class code will appearon the screen.

2 Press the button to obtain theNAS count 2µ to 5µ.

3 Press the button to obtain theNAS count 5µ to 15µ.

4 Press again for the NAScount 15µ to 25µ.

5 Press again to obtainthe 25µ to 50µ count.

6 Press again for the50µ to 100µ count.

Step

7 Press once more forthe 100µ count.

Press to return to previous particle count screen.

20



To print a result

To obtain a printout of the result in the ISO MODE

Step

1 Press the button once toobtain the last result.

2 The printer will print the time,date and test number withISO code and particle count.

Test No

To print all tests to datePress the print button twice

Print stopped by pressinga third time

If the test count falls below ISOcode 7 or above ISO code 23 then 00 or 99 respectively will bedisplayed under the 2µ, 5µ and15µ symbols.

Next test

21



PRINT

PRINT PRINTPRINT PRINT

PRINT

UCC LASER CMON-LINE TEST

To obtain a printout of the test result in the NAS MODE

Step

1 Having completed the test in the NAS MODE.

Press the button once to obtainthe last result.

2 The printer will print the time,date and test number with NAScode and particle count.

Test No

To print all tests to datePress the print button twice

Print stopped by pressing athird time

If the test count falls below NASclass 0 or above NAS class 12 the 00 or 99 will be displayed above the NAS symbol.

Next test

22



PRINT

PRINT

PRINT

UCC LASER CMON-LINE TEST

PRINT

Calibration Requirement

When switching the unit on, it will check the date as stored in the real-time clock againstthe date stored as the last calibration date.

If the date is within 4 weeks of the calibration due date, then the unit shall proceed asfollows:

(this assumes a last calibration date of 29th June 2000)

To continue with testing press

If the unit passes the recommended calibration due date, then the unit shall proceed asfollows:

To continue with testing press

MODE

23



MODE

Press and hold and use key to lighten the screen.

Press and hold and use key to darken the screen.

Press and hold and use to switch backlight on.

Press and hold and use to switch backlight off.

5 MNO

5 MNO

7 STU

7 STU

Additional KeysThe handset has two additional hot key functions

It is supplied with factory default contrast and backlight setings.These settings are user adjustable as detailed below.

NOTE:

When the CM20 is switched off the backlight function is reset.Therefore if the backlight is still required when the CM20 is switchedback on, the backlight wil then need to be reactivated.This is to preserve battery life.

24

LASER CM20 ADDITIONAL FEATURES


s s eq ed e e C 0 sil then need to be reactivated.

Solid contaminants in fluid power systems vary in size, shape, form and quantity. Themost harmful contaminants are normally between 5 micron and 15 micron. The ISOcode is the preferred method of reporting quantity of contaminants.

25

LASER CM20 DATA INTERPRETATION


The ISO code numbercorresponds tocontamiation levelspertaining to three sizes.

The first scale numberrepresents the number ofparticles larger than 2µmper 100 millilitre of fluid,the second number forparticles larger than 5µmper 100 milllilitre of fluidand the third number forparticles larger than 15µmper 100 millilitre of fluid.

Below is a table of actualresults, obtained, ofcontamination within aHydraulic Pumpendurance test rig.

ISO Contamination Numbers

For example code 20/18/13 indicates that there are between 500,000 and 1,000,000particles larger than 2 microns and between 130,000 and 250,000 particles larger than 5microns and between 4000 and 8000 particles larger than 15 microns.

26



Particle Distribution Chart to ISO4406Including various ISO level contamination grades

27



NAS 1638 Chart

28



NA

S 1

638

ISO/NAS/SAE Comparison Chart

The above comparisons relate to particle count data only. To conform to any particularstandard, reference should be made to the recommended experimental procedure.

29



30

LASER CM20 COMPONENT CLEANLINESS GUIDELINES


TAR

GE

TC

ON

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5µm

15µm

5µm

15µm

139

4,00

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uper

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sitiv

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ntro

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tem

with

ver

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perf

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ance

high

rel

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ory

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pace

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1511

16,0

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Crit

ical

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h pe

rfor

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rial

pres

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long

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ols,

etc

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port

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h qu

ality

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stem

s. G

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rem

ents

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ves

com

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cont

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1814

130,

000

8,00

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port

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eral

mac

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ry &

mob

ile s

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ms.

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pum

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ium

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ity.

spoo

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1915

250,

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vera

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w p

ress

ure

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y in

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rial s

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r pu

mps

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app

licat

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whe

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man

ual a

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cyl

inde

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ith la

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pum

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ccep

tabl

e co

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ion

leve

ls fo

r va

rious

hyd

raul

ic s

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ms.

Typical system applications and code numbers

31

LASER CM20 ISO CONTAMINATION CHARTS


The

se ty

pica

l app

licat

ions

and

ISO

cod

e nu

mbe

rs a

re ta

ken

from

the

UK

Con

tam

inat

ion

and

Con

trol

Res

earc

h P

rogr

amm

e (1

980-

1984

).R

ef. A

HE

M G

uide

to C

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min

atio

n C

ontr

ol in

Hyd

raul

ic P

ower

Sys

tem

s –

1985

32



Graphshere

33



Diagramatic representation only

1. Monitor Block2. Laser Diode3. Optical Scanner4. Changeover Valve5. Dual Direction Syringe Pump6. Flow Probe Device

34

LASER CM20 HYDRAULIC CIRCUIT DIAGRAM


Repeatability

The Laser CM20 Instrument measures and quantifies individual particles. The sizing andcounting of these particles, which is integrated within a complex electrical package, ensuresa high degree of repeatability.

Calibration

Every monitor is individually calibrated using an accurately determined gravimetric levelof test dust media.

Each channel within the instrument is adjusted to read the number of particles in a prescribedsize range as specified in ISO procedures, thus guaranteeing calibration accuracy.

35

LASER CM20 LOGIC DIAGRAM

LASER CM20 REPEATABILITY AND CALIBRATION


An Explanation of Laser CM20 diagnostic codes.

36

LASER CM20 DIAGNOSTICS


Ret

urn

to

Par

ker

Filt

rati

on

UC

C f

or

rep

air.

37



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or 3

.a.

Pow

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.in

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w r

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se in

to m

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to fi

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Err

or 5

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me

too

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a. U

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pow

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by r

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.

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adeq

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acr

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and

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conn

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cau

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b. A

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.

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to s

top

befo

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ount

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. R

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re s

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or

faile

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P to

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lack

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w th

roug

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ser

CM

20.

diag

3 p

ower

inte

rrup

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diag

4 l

ow f

low

in b

ypas

s li

ne

diag

5a

test

tim

e to

sho

rt

diag

5b

test

tim

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lon

g

Wai

t for

mon

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lace

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terie

s w

ith 6

x 1

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Alk

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if re

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)

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tem

oil

by in

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whe

re p

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iii)

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gle

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tails

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urge

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Re-

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ow th

roug

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ser

CM

20

38



LOW

BAT

TE

RY

Rep

lace

bat

terie

s se

e se

ctio

n (4

)T

he L

aser

CM

20 w

ill n

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ete

am

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rem

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f the

pow

er is

insu

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Err

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Dis

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ag 6

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inre

set

mod

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diag

7 r

efer

to

cm20

sup

plie

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diag

8 r

efer

to

cm20

sup

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diag

9 r

efer

to

cm20

sup

plie

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Leav

e it

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e un

til it

has

re-s

et

if it

does

not

re-

set,

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s its

elf o

ffco

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t Par

ker

.

diag

10 l

aser

tem

p to

o hi

gh

All

faul

ts w

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can

onl

y be

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tifie

d by

Par

ker

and

are

norm

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are

diag

nost

ic

Dis

play

ed if

mon

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ache

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abo

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00 cR

emov

e La

ser

CM

20 fr

om s

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ctor

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If un

it do

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tP

arke

r.

+

ISO

39

Peripherals and Serial interface.

Back Panel

9 way connector to RS 232 outputto down load all test data, stored inthe instrument.

LASER CM20 REAR PANEL


40LASER CM20 © Parker Hannifin (UK) Ltd 2004

Construction: Case-Lexan structural foamand ABS. Hand-held display – ABS. Keypad flurosilicone rubber.

Mechanical Components: Brass, platedsteel, stainless steel and aluminium.

Seals: Viton.

Hoses: Nylon (Kevlar braided microbore).

Hose length: Fluid connection hose 1.2metres (1 metre extensions can be used).Hand-held display cable length 1.0 metres.

Flow Rate: Up to 400 l/min (System 20Sensors). Higher with Single Point Sampler– Consult Parker.

Max. Working Pressure: Up to 420 bar(System 20 Sensors).

Fluid Compatability: Mineral oil andpetroleum based fluids. For other fluidsconsult Parker.

Power: Battery 6x1.5D cells Transformersupply voltage 9-12Vdc. Current 1.5 amp.Jack plug connection positive centre.

(Plug not supplied)

Fuse: 1.25 amp fast blow fuse included foroverload protection.

LCM20 Technology: Unique opticalscanning system.

Size, Measurement and Ranges: 2+, 5+,15+, 25+, 50+ and 100+ micron.

Analysis Range: ISO 7 to 22 inclusive.(NAS 0-12 inclusive).

Calibration: Each unit is individually testedand calibrated in accordance with ISOprocedures.

Repeatability/Accuracy: Better than 5%(typical).

Viscosity Range: 2-100 centistokes (500cStwith SPS).

Max. Operating Temp: +5°C to +80°C.

Environmental Temp: +5°C to +40°C.

Test Completion Time: 2 minutes.

Computer Interface: RS232 @ 9600 baudrate.

Laser CM20 Weight: 8 kg.

LASER CM20 SPECIFICATIONS


Installation Details

LASER CM20 SPECIFICATIONS


System 20-Sensors

LASER CM20 ORDERING INFORMATION

LCM20.2021/2023 LCM 6 Channel (including carrying case and kit). ACFTD Calibrated

LCM20.2022/2024 LCM 6 Channel MTD Calibrated


Always ensure:

• Sensors are installed correctly

• Sensor connectors are correctly tightened

• Adequate oil flow

• Steady state pressure conditions

• Oil viscosity is within working range

• Trend monitoring is performed under similar working conditions

• Correctly stowed hoses to avoid fluid spillage

• Sufficient paper supplies for hard copy printer

• Handle Laser CM20 with care – Instrumentation product

• Re-order spares in advance

• Calibrated within Parker recommendations

LASER CM20 OPERATION CHECK LIST


LASER CM20 AGGRESSIVE FLUIDS MONITOR

To expand further the applications possible with Parker’s Laser CM20 particle countingtechnology, we are now able to offer a version of Laser CM20 utilising ISOLAST dualseal technology.

Calibrated in accordance with ISO procedures, on a specially commissioned Skydrolcalibration rig. The LCM20.2061 offers the user all the features and benefits of the alreadyproven and world-wide accepted Laser CM20 technology.

By using LCM20.2061, civil aviation hydraulic servicing operations can now parallel thecost and time saving already demonstrated in the military aviation industries.

*Ref.; Parker Technical Update UC.TU.9303.

THIS PRODUCT IS COMPATIBLE WITHBOTH MINERAL AND AGGRESSIVE FLUIDS.

AVOID CROSS CONTAMINATION BYFLUSHING THIS MONITOR.IF IN DOUBT CONTACT PARKER.

NOTE:

Some oils may be classified as Phosphate Esters, but may not be aggressive.If in doubt with fluid/seal compatibility, consult Parker


Features:

• Isolast seals throughout.

• Totally compatible for Aggressive Phosphate Esters (e.g. SKYDROL LD4/500B)

• Red control valve knob and hand set keys for easy identification against standard LaserCM20 units

• High Technology, fused optical windows for high particle definition

• Available with complete range of sample extraction options (e.g. System 20 Sensors or Single Point Sampler)

• 5/8” BSF HSP Hose fitting

• Parylene treated for additional protection


System 20-Sensors

Industrial Sensors – sizes 0, 1 and 2



LCM20.2061/2063 Laser CM20 ‘Aggressive Fluids’ ACFTD Calibrated

LCM20.2062/2064 Laser CM20 ‘Aggressive Fluids’ MTD Calibrated

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Date post:	27-Dec-2016
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LASER CM20

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