Benthowave Instrument Inc.

BENTHOWAVE INSTRUMENT INC. Acoustic Transducer & System 

Wide Conical Beam Transducer

BII-7760s are bespoke wide conical beam transducers whose frequencies range from 100kHz to 2MHz for insonifying and listening large area of the interest underwater.

BII-7760 Series   Wide Conical Beam Transducer (0.1 to 2MHz)

Suggested Application  
Wide Beam Ultrasonic Source Short Range Underwater Communication
Navigation/Obstacle Avoidance/Fishery Sonar Pinger/Locator/Transponder
Conical Beam: up to 60° High Power
Customized Beamwidth Customized Operating Frequency
Related Products  
BII-2100 Transmitting & Receiving Switch
BII-5000 Power Amplifier
BII-6000 Impedance Matching and Tuning
BII-8030 Underwater Acoustic Transmitter
BII-8080 Transmitting & Receiving System
Sonar Signal Generation


Operating Frequency fr: 100kHz to 2MHz, Customized.
-3dB Beam Width: Up to 60°, Customized.
Beam Pattern: Conical Beam
Quality Factor Q: 3 to 6, Note: -3dB bandwidth of TVR = fr/Q.
TVR@fr : 130 to 145 (dB µPa/V@1m)
Receiving Sensitivity: -195.0 to -215.0 (dB V/µPa)
Side Lobe: None
Maximum Drive Voltage: 600 Vrms
Depth Rating: 1. Default: 100 m (Blank)
2. 500m (DW)
Note: 500m depth rating is not available to some parameter combinations. BII shall contact you if 500m depth rating is not supported to your specified transducer.
Housing Diameter: ΦD ≤ 168 mm
Impedance Matching: BII-6000: 4 to 16Ω, 50Ω, 60Ω, 75Ω, 100Ω..., Not included, Order separately.
Customized to optimum load of the power amplifier, Append IM to part number.
TR Switch: BII-2100 Transmitting & Receiving Switch.
Not Included. Order Separately, Append TR to part number.
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.
Mounting Options: 1. Default: Free Hanging (FH)
2. Free-hanging with Male Underwater Connector (FHUWC)

3. Thru-hole Mounting with Single O-ring (THSO)
4. Thru-hole Mounting with Double O-ring (THDO)
5. Bolt Fastening Mounting (Stainless Steel): (BFMSS)
6. End-face Mounting: (EFM)
7. Thru-hole Mounting + Free Hanging (THMFH)
8. Flange Mounting: (FGM)

Transducer and Hydrophone Mounting for more detailed information on mounting/installation.
Cable: 1. Shielded Cable (SC)
2. Wire/Cable Bundle (WCB): ONLY for Thru-hole Mounting with BII-7760TR and BII-7760TRIM.
Connector: 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
Transducer Wiring: Click Transducer Wiring for detailed wiring information.
How to Order  BII-7760 Series Transducers
BII-7760 xx xx /xx /xx -xx -xx -xx -xx -xx
Transducer Blank
fr Frequency
in kHz
-3dB Beamwidth
in Degree
Matching Impedance
in Ω 
Mounting Cable Length
in meter
Cable Connector
Example of Part Number: Description
BII-7760/1000/50-THSO-0.1-SC-WL BII-7760 transducer, 1MHz, 50° Conical Beamwidth, Thru-hole Mounting (Single O-ring), 0.1m Shielded Cable, Wire leads.
BII-7760DW/1000/50-THSO-0.1-SC-WL BII-7760 transducer, 500m depth rating, 1MHz, 50° Conical Beamwidth, Thru-hole Mounting (Single O-ring), 0.1m Shielded Cable, Wire leads.
BII-7760IM/1000/50-50-FH-1.0-SC-UMC BII-7760 transducer, Built-in Impedance Matching, 1MHz, 50° Conical Beamwidth, 50Ω, Free Hanging, 1m Shielded Cable, Underwater Mateable Connector.
BII-7760TRIM/1000/50-60-FH-1.0-SC-WL BII-7760 transducer, Built-in TR Switch and Impedance Matching, 1MHz, 50° Conical Beamwidth, 50Ω, Free Hanging, 1m Shielded Cable, Wire Leads.

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