Sonotronics Device / Instrument
Hydrophones
DH-4 directional, DH-ROV and TH-2 towed omnidirectional hydrophones for active acoustic tracking.
Description
Sonotronics offers three hydrophones for active acoustic tracking.
Key features
- DH-4 directional hydrophone: the primary hydrophone for manual tracking, 30 kHz to 100 kHz; parabolic reflector giving 16 dB of gain over an omnidirectional hydrophone and a directivity index of nearly 25 dB; sensitivity -84 dBV ref 1 uBar; beam width +/-6 degrees; BNC output with 10' RG-58 C/U cable
- DH-ROV: positively buoyant, 100 mm long and 60 mm in diameter, rated to 90 m, with 50 m polyurethane-jacketed coax cable
- TH-2 towed omnidirectional hydrophone: can be trolled at up to 5 knots; sensitivity -100 dBV ref 1 uBar; 50' RG316/U cable
Specifications
| DH-4 frequency | 30kHz to 100kHz |
|---|---|
| DH-4 sensitivity | -84 dBV ref 1 uBar (-184dBV ref 1 uPascal) |
| DH-4 beam width | +/-6 degrees at half power points |
| TH-2 max towing speed | 5 knots |
| DH-ROV depth | 90m |
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