10Hz～50khz Hydrophone Array USBL Transducer Underwater Acoustic Positioning Transducer

10Hz～50khz Hydrophone Array USBL Transducer Underwater Acoustic Positioning Transducer

Measurement content:

Measurement Content and Requirements

1. Frequency Band: 10Hz～50kHz;

 2. Directivity: Omnidirectional;

 3. Sensitivity: -194dB～-191dB; 

4. Measurements are performed using both three-element and four-elem ent arrays, with at least three azimuth angles of data for each array, inclu ding directivity and sensitivity at different frequencies within the frequency band.

 IV. Measurement Method

 1. Measurement conditions: temperature 20 , air temperature 56%. 

2. Measurement standard: GB/T7965-2002 "Measurement of Acoustic Underwater Transducers". 

3. Measuring instruments and equipment: 

Dual-channel filter 

L2 power amplifier 

BK145 standard hydrophone 

Automatic measurement system for underwater acoustic transducers 

Current and voltage sampler 

Impedance analyze

Horizontal Directionality

Vertical Directionality

Application Image