MHK ISDB/Instruments/InterOcean 902 Acoustic Listening and Calibration System

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InterOcean 902 Acoustic Listening and Calibration System

Measurement Category: Acoustic Noise, Animal Monitoring
Operating Environment: Underwater

Communication Protocol: Internal Logging
Operating Mode: Free Streaming, Stand Alone
Power Supply Type: Battery, VDC
Power Specification: 9 VDC; 6x D cell


The Model 902 Underwater Acoustic Listening and Calibration System is a portable instrument designed to provide the user with a convenient means to record and to make calibrated measurements of underwater sound sources. The Model 902 comes complete with a sensitive hydrophone with 15 meters of cable, headphones and an output jack to permit recording of the underwater sounds.

Instrument Measurements

  • Sound Pressure Level (Sound Pressure)
  • Presence (Animal Detection)
  • Vocalization (Animal Detection)
  • Vocalization (Animal Identification)

Measurement Specifications
Frequency response: 20 Hz to 10 kHz
Nominal Sensitivity: 100 dB (+-3 dB) re 1 uPa RMS Pressure

Optional Sensors

No optional sensors provided. Please add sensors.

Guides and Manuals

Product Web Page:

Notes, Considerations & Recommendations

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User Experience

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