Benthowave Instrument Inc.

BENTHOWAVE INSTRUMENT INC. Acoustic Transducer & System 

Wide Beam Transducer

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BII-7680   Wide Beam Transducer: Wide Directivity Response

BII-7680 broadband transducers have wide directivity response (fan-shaped beam) providing wide area coverage of the interest or wide field of search, and can be used in active (transmitting and receiving) Sonar system and passive listening (receiving) system.

Optional mounting parts are available for installation on portable-mounting apparatus, submersibles, pipe, tank or vessel.
An impedance matching transformer is optional to provide correct impedance match to load requirements of power amplifiers.
A Transmit & Receive Switch is available to be integrated inside transducer for amplifying the received sounds and driving long cable.

Suggested Application  
Imaging Sonar
Communication, Acoustic Positioning
Navigation, Obstacle Avoidance
Bioacoustic Research, Survey & Assessment
Wide Directivity/Beamwidth
Fan-shaped Beam
Broadband, Low Q
High Power
Transmitting and Receiving
Easy mounting
Related Products  
BII-2100 Transmitting & Receiving Switch
BII-5000 Power Amplifier
BII-6000 Matching and Tuning Unit
BII-4000 Signal Generation
BII-8030 Underwater Acoustic Transmitter
BII-8080 Transmitting & Receiving System


Transducer fr
Beam width
Size (mm)
BII-7681 120 3 156.0dB -175.0dB 15ºx60º 100m 500m 100x60x60 2.0
BII-7682 120 3 156.0dB -175.0dB 15ºx90º 100m 500m 130x60x60 3.0
BII-7683 120 3 156.0dB -175.0dB 15ºx120º 100m 500m 170x60x60 4.0
BII-7681/BB 120 3 153.0dB -175.0dB 25ºx60º 100m 500m 100x60x40 1.5
BII-7682/BB 120 3 153.0dB -175.0dB 25ºx90º 100m 500m 130x60x40 2.2
BII-7683/BB 120 3 153.0dB -175.0dB 25ºx120º 100m 500m 170x60x40 3.0
BII-7684 240 3 160.0dB -182.0dB 7.5ºx60º 100m 500m 100x60x50 1.8
BII-7685 240 3 160.0dB -182.0dB 7.5ºx90º 100m 500m 130x60x50 2.5
BII-7686 240 3 160.0dB -182.0dB 7.5ºx120º 100m 500m 170x60x50 3
BII-7687 450 3 168.0dB -190.0dB 3.8ºx60º 100m 500m 70x60x40 1.2
BII-7688 450 3 168.0dB -190.0dB 3.8ºx90º 100m 500m 90x60x40 1.6
BII-7689 450 3 168.0dB -190.0dB 3.8ºx120º 100m 500m 115x60x40 2.2
Typical Beam: Click BII-7680 Beam Pattern for more information. Customized beamwidth is available, please contact BII for details.
Beam Pattern: Fan-shaped
Maximum Drive Voltage: 600Vrms
Temperature Sensor: 1. Default: No built-in temperature sensor.
2. Built-in temperature sensor. When ordering, append TS to part number for integrating a temperature sensor in the transducer. Click Temperature Characteristics for more information.
Deep Water: To order Deep Water model, append DW to the part number.
For example, BII-7681DW is of 500m depth rating; BII-7681 is of 100m depth rating.
Impedance Matching Custom-made BII-6000: 4 to 16Ω, 50Ω, 60Ω, 75Ω, 100Ω ... Order separately, Append IM to part number.
TR Switch: BII-2100 Transmitting & Receiving Switch; Not Included. Order Separately, Append TR to part number.
Mounting Options: 1. Default: Free Hanging (FH)
2. Free-hanging with Male Underwater Connector (FHUWC)

3. Thru-hole Mounting with Wide O-ring (THSO)
4. Thru-hole Mounting with Double O-ring (THDO)
5. Bolt Fastening Mounting (Stainless Steel): (BFMSS)
6. End-face Mounting:  (EFM)
Transducer and Hydrophone Mounting for more detailed information on mounting/installation.
Cable Length: 1. default: 6m
2. custom
Cable: 1. Shielded Cable (SC)
2. Wire/Cable Bundle (WCB): ONLY for Thru-hole Mount with BII-768xTR and BII-768xTRIM.
Connector Options: 1. Default: Wire Leads (WL)
2. Underwater Mateable Connector (UMC)
3. MIL-5015 Style (5015)
4. Custom (custom)
Operating Temperature: -10°C to +60°C
Storage Temperature: -40°C to +60°C
How to Order: Click How to Order.
Transducer Wiring: Click Transducer Wiring for detailed wiring information.

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