MHK ISDB/Sensors/InterOcean R-131 Hydrophone

From Open Energy Information

InterOcean R-131 Hydrophone

Measurement Category: Acoustic Noise
Operating Environment: Underwater

Communication Protocol: Voltage
Operating Mode: Free Streaming
Power Supply Type: VDC
Power Specification: 9 VDC; 16 mA


The InterOcean Model R-131 is a high quality Hydrophones designed with an integral FET preamplifier and 6 dB gain. Used for general underwater sound pressure measurements. Freq. response from 20 Hz to 10 kHz, sensitivity of -176dB re 1V/uPa.

Sensor Measurements

  • Sound Pressure Level (Sound Pressure)

Measurement Specifications
Frequency response: 20 Hz to 10 kHz Nominal Sensitivity: -176 dB (+-3 dB) re 1V/uPa (w/o preamp)

Guides and Manuals

Product Web Page:

Notes, Considerations & Recommendations

No notes have been provided. If you have worked with this sensor, please contribute your notes.

User Experience

Contribute your experience