Sonar: Hydrophone, Underwater Transducer.

BENTHOWAVE INSTRUMENT INC. Acoustic Transducer & System 

Hemispherical Transducer

Hemispherical Transducer

BII-7700 Series Hemispherical Transducer

BII's hemispherical transducers range from 5 to 300kHz and provide hemispherical directivity response pattern.

Suggested Application  
Directional Communication
Forward-looking Navigation Sonar
Pinger, Locator, Transponder, Tracking, Beaconing Transducer
Acoustic Positioning: LBL, SBL, USBL
Related Products  
BII-7510 Communication Transducer: Low Frequency, Toroidal Beam BII-7600 Communication Transducer: Wide Conical Beam Angle.
BII-7760 Transducer: Spherical Sector Directivity, up to 120° BII-5000 Power Amplifier
BII-8030 Underwater Acoustic Transmitter BII-8080 Transmitting & Receiving System

Specification

Transducer fs (kHz) TVR (dB µPa/V@1m) FFVS (dB V/µPa) Size ΦD (mm) Document
BII7700-20 20 148 -194 Φ105 Datasheet
BII-7701 25 148 -192 Φ80 Datasheet
BII-7702 35 149 or 152 -191 or -196 Φ66.5 Datasheet
BII-7703 42 147 -195 Φ60 Datasheet
BII-7704 60 145 or 152 -196 or -201 Φ41 Datasheet
BII-7705 75 150 -199 Φ38.5 Datasheet
BII-7706 100 146 -204 Φ35 Datasheet
BII-7707 125 151 -203 Φ30 Datasheet
BII-7708 160 146 -205 Φ19 Datasheet
BII-7709 230 146 -210 Φ14.1 Datasheet
Note: 1. -3dB bandwidth Δf = fs/Qm. 2. Bespoke Transducers are available, please contact BII for customization. 
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.
Impedance Matching: BII-6000 Bespoke Impedance Matching between transducers and power amplifiers. Order Separately.
Append IM to the part number listed above for integrating BII-6000 in the transducer.
T/R Switch: BII-2100 Transmitting & Receiving Switch; Not Included. Order Separately, Append TR to part number.
Information: Acoustic Components and System: Installation/Mounting, Ordering, Wiring, Array & Aperture Design and much more.

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