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Underwater acousticsStandard products › GP Hydrophone Calibrator

GP Hydrophone Calibrator

Technical specifications GP Hydrophone Calibrator

The Co.L.Mar GP Hydrophone Calibrator has been developed under the specific request of a client, following the measuring instructions for underwater sound monitoring of the Offshore wind farms (MULLER BBM 2011). Portable and tough, it allows the user to calibrate hydrophones just before and after underwater noise measurements

• Battery operated field calibrator for Colmar GP series hydrophones. Using custom adaptors it can be used even with different types of hydrophones.

• Easy to use and configure, allows different types of calibrations:
- Acoustic (fixed or sweep frequency from 100Hz to 700Hz)
- Electronic (fixed or sweep frequency from 3Hz to 200 kHz)
- Complete (Acoustic + Electronic).

• Acoustic calibration gives hydrophone sensitivity expressed in dB re to Vrms/uPa .

• Bode plot diagram and data output as Acoustic (all hydrophones) and Electronic (only preampli-fied hydrophones) calibrations.

• Easy to carry, ideal to perform field calibrations just before underwater noise measurements.

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