H23 WILCOXON | Alldatasheet
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Frederick, MD 21701 USA Wilcoxon Sensing Technologies An Amphenol Company Note: Due to continuous process improvement, specifications are subject to change without notice. This document is cleared for public release. H23 series Hydrophones 99453 Rev.A3 12/23 Tel: +1 (301) 330-8811 Fax: +1 (301) 330-8873 info@wilcoxon.com www.wilcoxon.com The H23 series of hydrophones are designed to be small, versatile, self-amplified, and shielded for a wide variety of underwater acoustic measurements. Ruggedness, low cost and an ultra low-noise internal amplifier are prime features of this unit. The frequency responses of the models provide a flat response and are omnidirectional over a wide range of frequencies and orientations. The internal amplifier eliminates triboelectric cable noise, connector contamination problems and the requirement for an expensive in- line amplifier. The hydrophone and cable entry are completely encapsulated in polyurethane to alleviates water intrusion caused by cathodic action. The assembles uses pre-aged piezoelectric (PZT) sensing elements promoting long term stability. Applications for the H23 series hydrophones include military surveillance, underwater biological studies, ship noise studies, pump and machinery studies and monitoring of underwater ordnance. Notes: 1 Test conditions: 11°C fresh water temperature at a depth of 28 ft with 60 ft cable. 2 Frequency response graphs can be viewed on the next page. 3 Electronics noise at nominal sensitivity. 4 Customer may specify non-standard cable length specified at time of order. Available underwater connector: R24M (Amphenol LTW-Deeptronica DT-HCM-G3RMM-RHA30 [MC3MG]) Available coupling sleeve: CS (MacArtney MCDDWLS) SPECIFICATIONS ¹ H23-080 H23-100 H23-130 Nominal sensitivity -174 dB re 1 V/µPa -178 dB re 1 V/µPa -182 dB re 1 V/µPa Nominal voltage sensitivity 2.00 mV/Pa 1.26 mV/Pa 0.79 mV/Pa Frequency response² (re 100 Hz): ±2 dB ±4 dB +6/-10 dB
15 Hz to 10 kHz
10 Hz to 50 kHz
5 Hz to 100 kHz
10 Hz to 70 kHz
5 Hz to 120 kHz
10 Hz to 100 kHz
5 Hz to 150 kHz
(radial, XY plane) ±2 dB at 20 kHz ±4 dB at 80 kHz ±4 dB at 100 kHz ±4 dB at 130 kHz Vertical directivity (axial, XZ plane) ±3 dB at 20 kHz Noise³, nominal @23°C, re 1 µPa/√Hz: 1 kHz 10 kHz 100 kHz 28 dB 15 dB 12 dB 33 dB 21 dB 17 dB 36 dB 25 dB 22 dB Supply voltage 18 - 24 VDC Supply current 4 - 10 mA Bias output voltage, nominal 10 VDC Operating temperature range -10 to +60 °C Max operating static pressure 1000 PSI (680m sea water depth) Cable 0.14” dia., twisted shielded pair, 10 ft standard length⁴ Jacket material polyurethane Max. cable length (ft.) 300 240 185 Length (in.) 3.34 2.94 2.85 Diameter at widest point (in.) 0.59 0.55 0.55
Frederick, MD 21701 USA Wilcoxon Sensing Technologies An Amphenol Company Note: Due to continuous process improvement, specifications are subject to change without notice. This document is cleared for public release. H23 series Hydrophones 99453 Rev.A3 12/23 Tel: +1 (301) 330-8811 Fax: +1 (301) 330-8873 info@wilcoxon.com www.wilcoxon.com FREQUENCY RESPONSE GRAPHS ORBIT PLOTS