MHK ISDB/Sensors/C305 Hydrophone

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C305 Hydrophone

Measurement Category: Acoustic Noise
Operating Environment: Underwater
Version(s): C305: Preamp gain 20 dB C305X: Freq range 5 Hz - 250 Hz; Preamp gain 33 dB

Communication Protocol: Voltage
Operating Mode: Free Streaming
Power Supply Type: VDC
Power Specification: 5-32 VDC


The Cetacean Research™ C305 series hydrophones are preamplified (20 dB) directional, with very wide frequency response (12 Hz - 1000 kHz) for monitoring ultrasonic signals. Hydrophones are not individually calibrated but calibrated frequency response measurements can be performed on request.

Sensor Measurements

  • Sound Pressure Level (Sound Pressure)

Measurement Specifications
Frequency response: 12 Hz to 1000 kHz Nominal Sensitivity: -201 dB re 1V/uPa (w/o preamp)

Notes, Considerations & Recommendations

Appropriate preamplifiers listed on website.

User Experience

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