Single Band CHIRP Transducer Comparison

Thru-HullB285M1 kW• CHIRPS across the following

bandwidths: — Medium-Frequency:

85-135 kHz• 16 to 11° Beamwidth• Depth Range: 1200'-1500'

B285HW Wide Beam• CHIRPS across the following

bandwidths: — High-Frequency:

150-250 kHz• 25° Constant Beamwidth• Depth & fast-response

water-temperature sensor• Bronze housing with

High-Performance Fairing• Boat Size: 9 m (30' and up)• Hull Type —Fiberglass, Wood• All advantages of larger Thru-Hull

CHIRP transducers, for smaller boats

• Boat Type: —Sportfishing boats — Small to mid-size

fishing boats• Depth Range: 600'-800'

Thru-Hull

Thru-HullB785M600 W• CHIRPS across the following

bandwidths: — Medium-Frequency:

80-130 kHz• 24° to 16° Beamwidth• Depth & fast-response

water-temperature sensor• Bronze housing with

High-Performance Fairing• Boat Size: 9 m (30') • Hull Type: —Fiberglass, Wood• All advantages of larger Thru-Hull

CHIRP transducers, for smaller boats

• Boat size: Up to 9m (30')• Depth Range: 800'-900'

Thru-HullTransom-Mount

Thru-HullB75L300 W• CHIRPS across the following

bandwidths: —Low-Freq.: 40-75 kHz• Available in 0° or 12° tilted

versions only• 32° to 21° Beamwidth• Depth Range: 1000'-1200'

B75M600 W• CHIRPS across the following

bandwidths: — Medium-Freq.: 80-130 kHz• Available in 0°, 12°, or 20° tilted

versions• 24° to 16° Beamwidth• Depth Range: 800'-900'

B75H600 W• CHIRPS across the following

bandwidths: — High-Freq.: 130-210 kHz• Available in 0°, 12°, or

20° tilted versions•15° to 9° Beamwidth• Depth & fast-response

water-temperature sensor• Bronze housing• Boat Size: Up to 8 m (25')• Hull Type: —Fiberglass, Wood• Depth Range: 600'-700'

Thru-HullB175L1 kW• CHIRPS across the following

bandwidths: —Low-Freq.: 40-60 kHz • 32° to 21° Beamwidth• Depth Range: 2000'-2500'

B175M• CHIRPS across the following

bandwidths: — Medium-Freq.: 85-135 kHz• 16° to 11° Beamwidth• Depth Range: 1200'-1500'

B175H• CHIRPS across the following

bandwidths: — High-Freq.: 130-210 kHz• 10° to 6° Beamwidth• Depth Range: 800'-1000'B175HW Wide Beam• CHIRPS across the following

bandwidths: — High-Freq.: 150-250 kHz• 25° Constant Beamwidth• Available in 0°, 12°, or 20° tilted

versions• Depth & fast-response

water-temperature sensor• Bronze housing• Boat Size: Up to 11 m (36')• Hull Type: —Fiberglass, Wood• Depth Range: 600'-800'

5 mm(0.19”)

M70 x 2 mm(0.08”) threads

12

9 m

m(5

.09

”)

ø 9

4 m

m(3

.71

”)

70 mm (2 13/16”) hole size

Spacer washer 1

18

mm

(4.6

7”)

10

7 m

m(4

.23

”)

ø 13

4 m

m(5

.26

”)6 mm(0.25”)

3 3/4-4 UNCthreads

98 mm (3 7/8”)hole size

56 mm (2.20”)

Free Area

6.35 mm(0.25”)

134 mm(5.26”)

95.25 mm(3.75”)

No Draft

56 mm(2.20”)

118 mm (4.67”)

42.3 mm(1.66”)

71 mm(2.80”)

86

mm

(3.3

7”)

124 mm(4.88”)

84 mm3.31"

75 mm2.94"

5 mm0.19"

21 mm0.81

2"-12 THREADS

80 mm3.13"

Transom-MountTM150M300 W• CHIRPS across the following

bandwidths: — Medium-Frequency:

95-155 kHz• 26° to 17° Beamwidth• Depth & water- temperature sensor• Hull Type: —Fiberglass, Wood, Metal• Boat Size: Up to 8 m (25')• Ideal for inshore or coastal fishing

in shallow to medium depths• Economical transducer designed for

saltwater and freshwater anglers• Depth Range: 500'-600'

Thru-HullB150M300 W• CHIRPS across the following

bandwidths: — Medium-Frequency:

95-155 kHz•26° to 17° Beamwidth• Depth & water- temperature sensor• Bronze housing• Hull Type: —Fiberglass, Wood• Boat Size: Up to 8 m (25')• Ideal for inshore or coastal fishing

in shallow to medium depths• Economical transducer designed

for offshore fishing and freshwater anglers

• Depth Range: 500'-600'

Transom-MountTM185M1 kW• CHIRPS across the following

bandwidths: — Medium-Frequency:

85-135 kHz•16° to 11° Beamwidth• Depth Range: 1200'-1500'

TM185HW Wide Beam• CHIRPS across the following

bandwidths: — High-Frequency:

150-250 kHz•25° Constant Beamwidth• Depth & fast-response

water-temperature sensor• Urethane housing and stainless

steel mounting bracket• Boat Size: 8 m to 12 m

(25' to 40')• Boat Type: —Outboards —I/O• Hull Type —Fiberglass, Wood, Metal• Can retrofit to existing TM258,

TM260, TM265, and TM275 bracket

• Depth Range: 600'-800'

Transom-Mount Thru-HullThru-Hull

173 mm(6.80”)

349 mm (13.73”)

77 mm(3.05”)

ø 80 mm(3.13”)

76 mm(3.00”)

2.00”-12UN Threads

ø 51 mm(2.00”)

Thru-Hull

137 mm(5.40”)

15

9 m

m(6

.25

”)

108 mm(4.26”)

260 mm(10.23”)

137 mm(5.40”)

15

9 m

m(6

.25

”)

108 mm(4.26”)

260 mm(10.23”)

546 mm (21.50”)

10

7 m

m(4

.20

”)

12

1 m

m(4

.78

”)

178 mm (7.00”)

15

2 m

m(6

.00

”)

10

8 m

m(4

.25

”)

M30-2 threads

51 mm(2.00”)

198 mm (7.80”)

Bottom Coverage Under Your Boat with Single Band CHIRP Transducers

Transducer Beamwidth

TM150M 26° to 17°

TM185M 16° to 11°

TM185HW 25° constant

B150M 26° to 17°

B75L 32° to 21°

B75M 24° to 16°

B75H 15° to 9°

B175L 32° to 21°

B175M 16° to 11°

B175H 10° to 6°

B175HW 25° constant

B785M 24° to 16°

B285M 16° to 11°

B285HW 25° constant

Depth Range 500’ to 600’ 1200’ to 1500’ 600’ to 800’ 500’ to 600’ 1000’ to 1200’ 800’ to 900’ 600’ to 700’ 2000’ to 2500’ 1200’ to 1500’ 800’ to 1000’ 600’ to 800’ 800’ to 900’ 1200’ to 1500’ 600’ to 800’

DEP

TH

50' 23' to 15' 14' to 10' 22' 23' to 15' 29' to 19' 21' to 14' 13' to 8' 29' to 19' 14' to 10' 9' to 5' 22' 21' to 14' 14' to 10' 22'

100' 46' to 30' 28' to 19' 44' 46' to 30' 57' to 37' 43' to 28' 26' to 16' 57' to 37' 28' to 19' 17' to 10' 44' 43' to 28' 28' to 19' 44'

250' 115' to 75' 70' to 48' 111' 115' to 75' 143' to 93' 106' to 70' 66' to 39' 143' to 93' 70' to 48' 44' to 26' 111' 106' to 70' 70' to 48' 111'

300' 139' to 90' 84' to 58' 133' 139' to 90' 172' to 111' 128' to 84' 79' to 47' 172' to 111' 84' to 58' 52' to 31' 133' 128' to 84' 84' to 58' 133'

500' 231' to 149' 141' to 96' 222' 231' to 149' 287' to 185' 213' to 141' 132' to 79' 287' to 185' 141' to 96' 187' to 52' 222' 213' to 141' 141' to 96' 222'

©Airmar Technology Corporation SingleBand_CHIRP Comparison_rF 7/08/15

As Airmar constantly improves its products, all specifications are subject to change without notice. All Airmar products are designed to provide high levels of accuracy and reliability, however they should only be used as aids to navigation and not as a replacement for traditional navigation aids and techniques. Xducer ID® is a registered trademark of Airmar Technology Corporation. Other company or product names mentioned in this document may be trademarks or registered trademarks of their respective companies, which are not affiliated with Airmar.