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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 Frequency Transducers MODEL T141
DUAL FREQUENCY 33 & 210 KHZ
 DUAL BEAM 210 KHZ
 SHALLOW WATER SURVEYING
 OVER-SIDE OR HULL MOUNTING
 NEPCAST® PU MOULDED
 HIGH PERFORMANCE / LOW COST
 Click to Enlarge Image
The T141 is both a dual frequency and dual beam transducer, fully compatible with many OEM hydrographic echo-sounder systems, complimenting shallow water surveying operations typically carried out by Port and River Authorities.

The unique 210 kHz 19 element configuration reduces sidelobe levels and forms an excellent beam shape in both wide and narrow modes. The beam is selected by a switch box (supplied), which contains the tuning transformers for both frequencies. Electrical connection to the transducer is by a five core screened cable with a tough PU outer jacket.

The NEPTCAST® over-moulded polyurethane housing provides a mechanically robust, corrosion free transducer for over-side or hull mounting.
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Technical Specification
Neptune Sonar T141 Type Number
Resonant Frequency 33 210 kHz
Beam Single Wide Narrow Selectable
Beam Angle @ -3dB 22 8 2 Degrees
Transmit Sensitivity 166 173 178 dB re uPa/V @ 1m
Receive Sensitivity -178 -187 -183 dB re V/uPa
Input Power 800 1600 3000 Watts
Bandwidth 4 7.5 8 kHz
Nominal Impedance 100 100 100 Ohms
Transducer impedance can be adjusted to suit customers specification
Cable Length 10 metres standard
(Additional lengths supplied to order)
Cable Type Polyurethane Ø12mm 6 Core Screened
Storage Temperature -40 to +80°C
Operating Temperature -5 to +70°C
Ordering Information
T141, beam selection box, cable length 
 
   
       
       
   

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