Benthowave Instrument Inc.

BENTHOWAVE INSTRUMENT INC. Acoustic Transducer & System 

Low Flow Noise Hydrophone

Low Flow Noise HydrophoneLow Flow Noise HydrophoneLow Flow Noise HydrophoneLow Flow Noise Hydrophone

Optional mounting parts are available for installation on portable-mounting apparatus, submersibles, pipe, tank or vessel.

BII-7160 Low Flow Noise Hydrophone

Suggested Application  
Signal detection in strong currents
Natural, Anthropogenic and Bioacoustic Underwater Sounds
Hydrophone Array and Passive SONAR
Detection of Explosive Sound Sources and Air Guns
Passive Acoustic Monitoring System (PAM System)
Towed Arrays, Streamer Element
Sonobuoy
Seismic Exploration / Borehole Seismic

Features  
Low hydrodynamic flow noise and pseudosound
Streamlined hydrophone body
Drive long cable
Minimize turbulent flow and onset of cavitation
Minimize current-produced noise
Low interference to signal field

Related Products BII-1000 Hydrophone Preamplifier

Specification

Low Flow Noise Hydrophone
BII-7160 BII-7161 BII-7162 BII-7165 BII-7166
Maximum Operating Depth: 300 m 300 m 300 m 300 m
BII-7160 BII-7161DW BII-7162DW N/A N/A
Maximum Operating Depth: 950 m 950 m N/A N/A
Voltage Sensitivity (dB V/µPa ):
(Single-ended Output)
-197.5 -201.5 -197.5+Preamplifier Gain -201.5+Preamplifier Gain
Voltage Sensitivity (dB V/µPa ):
(Differential Output)
-191.5 -195.5 -197.5+Preamplifier Gain -201.5+Preamplifier Gain
Preamplifier Gain Options: N/A N/A 0/26/40/60dB 0/26/40/60dB
Capacitance:
(Single-ended Output)
13.5 nF 11.2 nF  N/A N/A
Capacitance:
(Differential Output)
3.4 nF 2.8 nF  N/A N/A
Usable Frequency:
Flat Sensitivity ±2dB V/µPa
0.1 Hz to 60 kHz 0.1 Hz to 140 kHz 0.1 Hz to 60 kHz 0.1 Hz to 140 kHz
Noise Density (RTI): N/A N/A 36 dB µPa/√Hz 40 dB µPa/√Hz
Acceleration Sensitivity:
dB re µPa/(m/s²)
104.2 107.4 104.2 107.4
Built-in Preamplifier: No No Yes Yes
High Pass Filter: No No Yes, Custom Yes, Custom
Horizontal Directivity: Omnidirectional
± 2 dB @ 35 kHz
Omnidirectional
± 2 dB @ 50 kHz
Omnidirectional
± 2 dB @ 35 kHz
Omnidirectional
± 2 dB @ 50 kHz
Vertical Directivity: 220° ±3dB @ 35 kHz 210° ±3dB @ 50 kHz 220° ±3dB @ 35 kHz 210° ±3dB @ 50 kHz
Electrical Insulation: > 500 MΩ @ 1000 VDC  > 500 MΩ @ 1000 VDC  N/A   N/A
Power Supply: N/A N/A +4.5 to +24VDC +4.5 to +24VDC
Current (Quiescent): N/A N/A 0.6mA 0.6mA
Weight (in air):  38 grams  35 grams  250 grams 250 grams
Cable Length: 1. 6m (default)
2. Custom: up to 50m
1. 6m (default)
2. Custom: up to 20m
1. 10m (default)
2. Custom: up to 100m
1. 10m (default)
2. Custom: up to 100m
   
Size: ΦD x Length = 32.0 mm x 60.0 mm
Output Type: 1. Default: Single Ended Output (SE). Append SE to the listed part number.
2. Differential Output (DF), Exclusive to preamplified hydrophone. Append DF to the listed part number.
Cable: 1. Shielded Cable (ΦD=3.6mm) (SC36)
2. Shielded Cable (ΦD=6.5mm) (SC65)
Mounting Options: 1. Default: Free Hanging (FH)
2. Thru-hole Mounting with Single O-ring (THSO)
3. Thru-hole Mounting with Double O-ring (THDO)
4. Bolt Fastening Mounting (Plastics): (BFMP)

5. Bolt Fastening Mounting (Stainless Steel): (BFMSS)
6. Thru-hole Mounting + Free Hanging (THFH)
Click Transducer and Hydrophone Mounting for more detailed information on mounting/installation.
Connector: 1. Default: Wire Leads (WL)
2. BNC Male (BNC)
3. 3.5 mm (⅛″) TRS Plug (TRS35)
4. ¼″ (6.35 mm) TRS Plug (TRS635)
5. XLR Plug (XLR)
6. Underwater Mateable Connector (UMC)
7. MIL-5015 Style (5015)
8. +9VDC Battery Snap (BS) (Exclusive to preamplified hydrophone)
9. Custom (custom)
Operating Temperature: -10°C to +60°C
Storage Temperature: -40°C to +60°C
How to Order: Click How to Order.
Hydrophone Wiring: Click Hydrophone Wiring for detailed wiring information.
Receiving Array: Array & Aperture Design

Free-Field Voltage Sensitivity

Low Flow Noise HydrophoneLow Flow Noise Hydrophone

Low Flow Noise Hydrophone

Go back to Hydrophone.