Simrad 50-200 COMBI C - REV D User manual

TRANSDUCER
Simrad 50/200 D
50/200 kHz Combi-transducer
(855-164211 Rev.D)
Introduction
The Combi 50/200 D 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-203005
Common specications
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 ....................................................... 15 m
Cable diameter ..................................... 10.6 ±0.5 mm
Weight with cable ................................................8 kg
Storage temperature .................................-20 to 70°C
Technical specications 50 kHz
Resonant frequency.........................................50 kHz
Beamwidth longitudinal...................................10 deg
Beamwidth transverse......................................16 deg
Directivity, DI=10logD.....................................23 dB
Side lobes..........................................less than -15 dB
Back radiation ...................................less than -25 dB
Source level at 1000 W..................... 221 dB re 1µPa
Transmitting response ..............172 dB re 1µPa per V
Receiving sensitivity:
Open circuit........................... -179 dB re 1V per µPa
Electroacoustic efciency ....................................0.50
Technical specications 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
Receiving sensitivity:
Open circuit........................... -185 dB re 1V per µPa
Electroacoustic efciency ....................................0.60

Manufacturer:
Simrad AS
Strandpromenaden 50
P.O.Box 111
N-3191 Horten
Telephone: [phone]
Data
Installation
Beam pattern 50 kHz longitudinal
Beam pattern 50 kHz transverse
Beam pattern 200 kHz