Multi-beam underwater depth sounder

(1) Multi-beam bathymeter: Integrated sonar, sound velocity, and attitude sensing system, weighing no more than 8KG in air;

▲ Strip width: Beam fan adjustable from 30 to 140°; attitude accuracy up to or better than 0.02°;

Maximum coverage measurement width up to 7 times the water depth;

▲ Number of beams: At least 256 or more;

Range: Maximum water depth of at least 150 meters;

Beam opening angle: Equal to or better than 1.0°×2.0°;

▲ Frequency: 400KHz, or adjustable from 200KHz to 600KHz;

Includes acquisition software and data processing software.

▲ (2) Equipped with sound velocity profiler: Maximum water depth of not less than 40 meters; sound velocity range 1400-1600; resolution 0.001; accuracy: 0.05; temperature: 0-40; accuracy: 0.05.

▲ (3) Supporting operation terminal (capable of ensuring smooth operation of digital mapping software), data acquisition, hull control, instrument control, including digital mapping software. Specific requirements are detailed in 3.1.6.1 Digital Mapping Software.

▲ (4) T-shaped multi-beam transmitting transducer array: Frequency: 70kHz-450kHz, continuously adjustable online, step size 10kHz; number of beams: not less than 512; coverage width: 10°-160° continuously adjustable online; maximum bathymetric range: not less than 400 meters; compatible with R2SONIC 2024 receiving transducer for use.

▲ The contractor must provide a complete and effective installation and commissioning plan.