Product Overview
HP-01-050S is a micro hydrophone based on a semiconductor MEMS manufacturing platform. It is designed with a compact and lightweight structure while offering a wide bandwidth of 1 kHz to 50 kHz, high sensitivity of -185 ±3.0 dB re 1V/µPa, and a built-in 40 dB amplifier.
According to the datasheet, the small package size helps improve installation convenience and supports deployment in limited spaces, including array configurations where compact dimensions are important.
Key Features
- Wide bandwidth: 1 to 50 kHz
- High sensitivity: -185 ±3.0 dB re 1V/µPa
- Built-in amplifier gain: 40 dB
- High linearity with nonlinearity below 1%
- Compact package size: Φ15 × 32 mm
- Light weight: approximately 6 g, excluding cable weight
- Omnidirectional directivity
Stable Frequency Response
The HP-01-050S offers strong frequency response consistency. Within the 1 kHz to 50 kHz bandwidth, sensitivity variation is less than ±3 dB. The datasheet also states that sensitivity difference between units is less than ±3 dB.
Compact MEMS Design
This micro hydrophone uses MEMS technology to achieve a small form factor. The miniature size can support easier transport and installation, and it can be suitable for setups where multiple hydrophones need to be arranged in limited space.
Temperature and Depth Performance
Temperature influence on sensitivity is less than 0.1%/°C across the operating temperature range of -40 to 80°C. The hydrophone is also insensitive to static water pressure, with sensitivity change less than ±1 dB from 0 to 100 m water depth.
Applications
Based on the provided datasheet, HP-01-050S can be used in the following applications:
- Pipeline leak detection
- Waterway monitoring
- Underwater communication
- Geological exploration
- Marine fishery
- Ultrasonic detection
Specifications Summary
- Model: HP-01-050S
- Product type: Micro hydrophone
- Bandwidth: 1 to 50 kHz
- Dynamic range: ±1000 Pa
- Sound sensitivity: -185 ±3.0 dB re 1V/µPa
- Temperature influence on sensitivity: <0.1%/°C
- Nonlinearity: <1%
- Noise resolution at 1 kHz: ~60 dB re µPa/√Hz
- Built-in amplifier gain: 40 dB
- Output amplitude: 1 Vppk
- Current: 4 mA
- Insulation resistance: >50 GΩ
- Directivity: Omnidirectional
- Supply voltage range: 5V to 15V
- Measurement condition: 25°C, 8V supply
Environmental and Operating Limits
- Operating temperature range: -40 to 80°C
- Storage temperature: -50 to 80°C
- Operating depth: <100 m
- Survival depth: 400 m
- Absolute maximum supply voltage: 16V
Pin Configuration
The HP-01-050S uses a 3-wire connection:
- Pin 1 (Yellow): AC signal output
- Pin 2 (Red): DC power supply
- Pin 3 (Black): Ground
Dimensions and Weight
- Package dimensions: Φ15 mm × 32 mm
- Weight: approximately 6 g
- Note: cable weight is not included