Simrad 38-200 COMBI C - DATASHEET REV D Datasheet

TRANSDUCER
Simrad 38/200 Combi C
38/200 kHz Combi transducer
Introduction
The Simrad 38/200 Combi C transducer
combines two transducers and one
temperature sensor in a single housing.
It is designed with a streamlined
shape for hull mounting on small
vessels.
Order number
KSV-202192
Common specifications
Nominal impedance ..............................................75 ohms
Maximum pulse power input .................................1000 W
Maximum continous power input ..............................10 W
Resistance NYC thermistor at 25° ...................... 10 kohm
Maximum transducer depth ....................................... 20 m
Cable length ............................................................... 10 m
Cable diameter ....................................................... 6.3 mm
Weight with cable .................................................... 6.5 kg
Storage temperature .........................................-20 to 70°C
Technical specifications 38 kHz
Resonant frequency .................................................38 kHz
Beamwidth longitudinal .......................................... 13 deg
Beamwidth transverse ............................................. 21 deg
Directivity, DI=10logD .............................................21 dB
Side lobes ................................................. less than -15 dB
Back radiation .......................................... less than -25 dB
Source level at 1000 W ............................. 219 dB re 1µPa
Transmitting response ..................... 170 dB re 1µPa per V
Receiver sensitivity, open circuit ... -178 dB re 1V per µPa
Electroacoustic efficiency ........................................... 50%
M A X I M I Z I N G Y O U R P E R F O R M A N C E
Technical specifications 200 kHz
Resonant frequency ...............................................200 kHz
Beamwidth longitudinal ............................................ 7 deg
Beamwidth transverse ............................................... 7 deg
Directivity, DI=10logD ..........................................28.5 dB
Side lobes ................................................. less than -18 dB
Back radiation .......................................... less than -30 dB
Source level at 1000 W ............................. 227 dB re 1µPa
Transmitting response ..................... 178 dB re 1µPa per V
Receiver sensitivity, open circuit ... -185 dB re 1V per µPa
Electroacoustic efficiency ........................................... 60%
NOTE: The transducer cable must not be exposed to oil
or other petroleum fluids.
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