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Precision Acoustics

Piston Hydrophone

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

If you have any specific questions about this product, please contact us.

piston hydrophone ml4x50

Overview

The ML4X50 is a circular plane piston, immersion hydrophone for measurements in the frequency range 100 kHz to 1 MHz.

Comprising a four-layer laminate of 50 micron PVdF, the ML4X50 provides flat, broadband sensitivity and directivity patterns that display exceptional correlation with circular plane piston theoretical modelling.

Download the data sheet

Technical specifications

Sensor Material: four layers of 50 micron thick gold PVdF film
Sensor Dimension: 25 mm diameter
Termination: 5 m RG58 Co-axial Cable with 50 Ω BNC as standard but others available
Typical Probe Sensitivity: -218 dB re: 1 V/uPa (micro Pascals)
Inter-device Tolerance: Sensitivity variation between individual probes is within the range ±3 dB
Typical Frequency Response Variation: 300 kHz – 1 MHz: ±0.5 dB
100 kHz – 1 MHz: +1.5 dB, -0.6 dB

* Precision Acoustics reserves the right to change the specification without notice.