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ECHO SOUNDER TRANSDUCERS
Single Beam:
  Frequency Model
  12 kHz T 198
  24, 28, 30, 33, 38, 50 kHz 395 Series
  160, 200, 210, 300, 600 kHz 390 Series
  24, 28, 30, 33, 38, 50 kHz 147 Series
  24, 28, 30, 33, 38, 50 kHz 172 Series
  160, 200, 210, 300, 600 kHz 142 Series
  24, 28, 30, 33, 38, 50 kHz 320 Series
Dual Beam:
  Frequency Model
  24, 28, 30, 33, 38 kHz 153 Series
  12 kHz T 119
  120 kHz T 38
  200 kHz T 37
  210 kHz T 28
Dual Frequency:
  Frequency Model
  33 & 210 kHz T 141
  24, 28, 30, 33, 38, 50 kHz
160, 200, 210, 300, 600 kHz		 76 Series
  24, 28, 30, 33, 38 kHz
160, 200, 210, 300, 600 kHz		 77 Series
  24, 28, 30, 33, 38 kHz
160, 200, 210, 300, 600 kHz		 340 Series

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:: TRANSDUCER PRODUCTS / Dual Beam Transducers MODEL T38
120 KHZ DUAL BEAM
 NAVIGATION : FISHING : SURVEYING
 HIGH PERFORMANCE
 SCIENTIFIC ECHO SOUNDING
 HULL OR TOWED BODY
 ROBUST NYLON HOUSING
 Click to Enlarge Image
The Type T38 is a precision echo sounder transducer designed for use in hydrographic or scientific applications where an accurately defined, narrow beam pattern is required.

Operating at 120 kHz the multi-element array is configured to achieve two, highly directional, conical beam patterns with low side lobe levels.

A four core cable moulded into the rear of the transducer enables the beams to be switched between wide and narrow patterns using a remote selection box.

Originally designed for hull mounting, the tough nylon body is pressure rated down to 250 metres making it suitable for towed body installation.

A single beam version of this transducer has recently been introduced to provide the same performance as the narrow beam configuration but with a lower side-lobe level.
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Technical Specification
Resonant Frequency 120 kHz
Beam Width Wide Narrow Selectable
Beam Angle @ -3dB 16.5 10.5 Degrees
Transmit Sensitivity 172 176 dB re uPa/V @ 1m
Receive Sensitivity -191 -186 dB re V/uPa
Bandwidth 8 8 kHz
Max Input Power 1600 3000 Watts Pulsed
Operating Depth 250 250 Metres
Input Impedance 50 50 Ohms
Transducer impedance can be adjusted to suit customers specification
Cable Length 10 metres standard
(Additional lengths supplied to order)
Cable Type Polyurethane Ø12mm 4 Core Screened
Storage Temperature -40 to +80°C
Operating Temperature -5 to +70°C
Ordering Information
T38, cable length 
 
   
       
       
   

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