Underwater Hydrophones

Piston hydrophone - Precision Acoustics LTD (PA)

A circular plane piston, immersion hydrophone for measurements in the frequency range 100 kHz to 1 MHz. Code ML4X50.

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Pressure Measurement

Precision Acoustics LTD

A range of hydrophones for measuring pressure in ultrasound fields, covering acoustics parameters to meet the latest regulatory requirements needed for IEC62127-1, NEMA UD2 or FDA 510(k) submission.

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Needle Hydrophones

Precision Acoustics LTD

Our high-performance needle hydrophone system consists of a range of interchangeable PVdF needle hydrophone probes, a submersible wide-band amplifier and a DC coupler.

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Membrane Hydrophones

Precision Acoustics LTD

Precision Acoustics’ manufactures high-quality co-planar membrane hydrophones which have been developed to satisfy the stringent requirements of MHz ultrasound measurements. The differential membrane hydrophone model is suited to the most demanding, wide bandwidth measurements situations but requires water with very low conductivity.

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Fibre-optic Hydrophones

Precision Acoustics LTD

The best instrument available to measure close to the face of the ultrasound transducer, make CW measurements or to measure the acoustic pressure and associated thermal effects of a high-intensity field.

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Cavitation Sensors

Precision Acoustics LTD

Cavitation is often induced by an external acoustic field which typically has very high acoustic amplitudes but the acoustic emissions from these cavitation events are significantly smaller. The small acoustic emissions are characterised by well defined spectral peaks at integer harmonics and sub-harmonics relative to the fundamental bubble frequency.

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Multi-element Hydrophones

Precision Acoustics LTD

We have designed and fabricated a wide variety of multi-element sensors based upon our PVdF lamination technology.

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Underwater Hydrophones

Topics

Pressure Measurement

Needle Hydrophones

Membrane Hydrophones

Fibre-optic Hydrophones

Cavitation Sensors

Multi-element Hydrophones