Simrad 200-7G
Transducer
(164011/A - CB065 - 7-10) Transducer reg. no. 312-073443.
Technical specifications
Resonant frequency: ......................................................................... 200 kHz
Beamwidth, circular: ............................................................................. 7 ±1°
Directivity D: .................................................................................. 700 ±20%
DI=10logD:................................................................. 28.5 ±1 dB
Equivalent two-way beam angle:
ψ ................................................................................
0.008 ±20%
10 log
ψ ..........................................................................
-21 ±1 dB
Side lobes: ..........................................................................................< -15 dB
Back radiation: ...................................................................................< -30 dB
Nominal impedance: ....................................................................... 60 ohms
maximum variation in |Z|: ................................................ 45 - 80 ohms
maximum variation in phase angle: ................................................. ±30°
Transmitting response: ......................................... 215 ±2 dB re 1µPa per A
Receiving sensitivity, open circuit: ....................-185 ±2 dB re 1V per µPa
Electro-acoustic efficiency: ........................................................... 0.70 ±0.20
Maximum pulse power input: ......................................................... 1000 W
Maximum continuous power input: ................................................... 20 W
Maximum transducer depth: ................................................................ 20 m
Maximum storage temperature: ........................................................ +70°C
Minimum storage temperature:.......................................................... -20°C
Cable length ............................................................................................ 15 m
Cable diameter: ................................................................................... 10 mm
Weight without cable:.............................................................................. 2 kg
Weight with cable: ................................................................................... 4 kg
The 200-7G is a single-beam transducer in a small
housing, intended for portable use and for level
measurements inside tanks.