In Underwater acoustic systems

Hydrophone GP1280

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Hydrophone GP1280

The preamplified omnidirectional hydrophone GP1280 is a professional tool suitable for a wide range of applications. Its low self noise and high sensitivity makes it especially suited for ambient noise measurements and recording the acoustic signature of mammals.

Features

• High sensitivity
• Low noise “sea state zero”
• Wide usable frequency range
• Double output: single/differential
• Calibration input
• High materials quality
• Gisma connector series 35, 7 Pin

Technical specifications

• Working band: 5 – 90.000 Hz

• High pass filter on preamplifier : Customizable (on demand)

• Balanced output sensitivity: -163 dB re 1V / uPa @ 5kHz (customizable)

• Single output sensitivity: -169 dB re 1V / uPa @ 5kHz (customizable)

• Directivity : Spherical – Omnidirectional

• Max working depth : 1000 m

• Gain @5kHz: 30 dB (single output), 36dB (balanced output)

• Equivalent input acoustic noise @5kHz: 32 dB re 1uPa / sqrtHz

• Input impedance: 10 MOhm

• Supply voltage range: 11.5-30 Vdc

• Current consumption: 9 mA @ 12 Vdc

• Output voltage swing: 6Vpp (single output), 12 Vpp (balanced output)

• Weight in air: 500 gr

• Body construction: Stainless steel AISI 316 or POMC

• Dimensions: 233,25 x 33,5 mm

• Packaging: Pelicase mod.1170

Accessories and optional configurations

• Protective frame

• Protective frame with suspension system for vibration damping

• Portable and rugged receiving unit fitted with variable gain adjustment, rechargeable battery, audio output, headphones output with volume knob, calibration signal.

Also available

• GP1280M model (without connector).

• Low Power version (from 3.1 Vdc , current abs. < 5mA).

• Ultra deep (up to 2000m) version.

• Custom cable lengths and connectors.

• POMC Body for long term deployments.

Hydrophone GP1280 Download

Product sheet – Hydrophone GP1280