


Simrad 38-9
Single beam echo sounder transducer
The Simrad 38-9 is a medium size, single-beam transducer. It incorporates 48 Tonpilz elements in a circular housing which is easily hull mounted.

Description
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Specifications
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General
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Year of introduction
2006
Application
Hydro Survey
Length [m]
0.3365
Height [m]
0.15
Weight in air [kg]
18
Width [m]
0.3365
Housing Material
Polyurethane
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Mode of operation
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Beam
Single beam
Configuration
Flange mount, Hull mount, Tank mount, Thru hull
Frequency
Single
Min. frequency [kHz]
38
Cable length
20m
Cable diameter
11mm
Weight without cable
18kg
Storage temperature
-20° to 70°C
Circular beamwidth
9 deg
Directivity
D: 400 • DI = 10 log D: 26 dB
Equivalent two-way beam angle:
Ψ: 0.016 • 10 log Ψ: -18 dB
Side lobes
Less than -18 dB
Back radiation .
Less than -25 dB
Impedance
75 ohm
Transmitting response .
177 dB re 1μPa per V
Receiving sensitivity, open circuit
-171 dB re 1V per μPa
Electroacoustic efficiency
0.70
Maximum pulse power input
1500 W
Maximum continuous power input
30 W
Maximum variation in |Z|
60 to 95 ohm
Maximum variation in phase
±30 deg
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More information
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Distinguishable features
Can be used as Fish Finding Echo Sounder, Hydrographic Echo Sounder or Navigation Echosounder.
Documents

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Product Manual (201)1.3 MB