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HTD-81 (59KHz) array hydrophone

The HTD-81 Array Hydrophone is a member of the HTD-80 series hydrophones, specifically designed for integration into arrays.

Product details

1

Product introduction

The HTD-81 Array Hydrophone is a member of the HTD-80 series hydrophones, specifically designed for integration into arrays. It balances low cost, small size, and rugged durability, with a maximum operating depth of 3500m. The HTD-81 Array Hydrophone is widely used in scientific research, marine oil and gas exploration, seismic monitoring, and underwater towed arrays.

2

Main application scenarios

(1) Various scientific research applications
(2) Underwater towed arrays

3

Technical specification

(1) Voltage Sensitivity: -203 ± 2 dBV re 1 μPa @ 20 °C, 6.3 V/bar;

(2) Frequency Response: 10Hz to 59kHz;

(3) Charge Sensitivity: 28 nC/bar;

(4) Capacitance: 4.0 nF ± 20 % @ 20 °C

(5) Capacitance Change vs. Temperature: Increases 0.4% per 1°C rise;

Capacitance Change vs. Pressure: Decreases 8% per 1000m depth increase;

(6) Maximum Operating Depth: 3500m;

(7) Recommended Maximum Drive Voltage: 25V;

(8) Acceleration Sensitivity: < 0.2 mbar/g;

(9) Dimensions: Diameter 14mm * Length 48.4mm;

(10) Weight: 15g;

(11) Cable: Standard 2-wire, 28AWG, Length 15cm, Hytrel insulated conductors;

(12) Electrical Insulation Between Conductors: >500 M Ohm;

 

Sensitivity Curve

 

Installation Options Available

 

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