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HY-AS007 Digital Hydrophone
  • Multi-function: It integrates the functions of traditional analog hydrophone, amplification and conditioning circuit, acquisition, storage, and Ethernet transparent exchange.

  • Fast cascading array: With two 100/1000Mbps self-adaptive Ethernet interfaces (uplink network port and downlink network port), it is convenient to quickly form a large-scale synchronous underwater acoustic measurement or observation processing system through cascading arrays.

  • High synchronization accuracy: PTP (IEEE1588) protocol is used to realize the synchronous collection of data and synchronous message transmission between hydrophones via Ethernet, automatic and fast synchronization after power-on, and the synchronization accuracy reaches hundreds of nanoseconds.

  • Low self-noise, large dynamic range, strong versatility.

  • Customized working frequency band, fixed gain and adjustable gain range.


The HY-AS007 digital hydrophone is a multifunctional underwater acoustic signal acquisition unit. The digital hydrophone is convenient to quickly form a large-scale synchronous underwater acoustic measurement or observation processing system through cascading arrays, and has high-precision synchronous transmission capability of hundreds of nanoseconds. Only one cable is used between the hydrophones to realize the functions of communication, synchronization and power supply, and the multiplexing link technology greatly reduces the number of cables on the basis of the traditional solution.


Synchronous protocol

PTP

Back-to-back synchronization accuracy

±50ns

40-hop cascade synchronization accuracy

±150ns

Sample rate

Maximum 256ksps (configurable)

Sample depth

24bit

Fixed gain

20dB

Variable gain

>80dB

Signal frequency band

10Hz~100KHz(customized)

Equivalent input noise

≤ 1uVrms(@5KHz)

Noise spectrum level

≤45dB@100Hz-100kHz

Input impedance

>10MΩ

Maximum undistorted input signal

±250mVpp

Data storage

32GB(extensible)

Circuit dimension

小于115mm*30mm(length x width)

Overall dimension

390mm*45mm(length x diameter)(W/O connector)

Weight

2kg(stainless steel)

Harmonic distortion

≤-75dB@1kHz(when the gain is 1)

Data transfer protocol

TCP/IP

Power consumption

≤5W

Depth rated

500m(stainless steel), 1000m(thickened stainless steel);6000m(titanium)


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