Simrad 200-7G
Transducer
The 200-7G is a single-beam transducer in a small
housing, intended for portable use and for level
measurements inside tanks.
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
(164011/A - CB065 - 7-10) T ransducer reg. no. 312-073443.
0
20
-30
-10
-20
-30
-40
Beam pattern
30
210
10
0
Susceptance, mS
-10
200
190
-20
0 102030
(CD4644)
Conductance, mS
Admittance
Ø33.25
Brass
BSPP 1”
threads
50
Detachable protective
neoprene jacket
92.5
PVC-housing
Ø100
(CD4647/073738B)
Ø106
Outline dimensions
Note that specifications may be changed without prior notice.