Online level H-ADCP (150 KHz)

▲ Operating frequency: 150 KHz;

Horizontal measurement distance: ≥ 350m;

Current Speed:

Measurement range: ± 6m/s;

Resolution: 0.001m/s; Accuracy:+1% of measured flow velocity,+0.005m/s;

Accuracy:+1% of the measured flow velocity,+0.005m/s;

Water level:

Measurement range: 0.2-30m;

Accuracy: ± 0.6cm (depth<6m), ± 0.1% (depth>6m);

Resolution: 0.001 meters;

Pressure sensor error: ≤ 0.25%;

Horizontal beam angle pointing angle: ≤ 2.2 º;

Side lobe suppression:>15dB, minimizing interference from water surface or riverbed reflections;

Transducer: Two beams with a horizontal angle of ≥ 20 °, two-dimensional flow velocity measurement, equipped with a vertical beam water level gauge;

Data output format: RS232, RS485;

Transmission methods: Cable, fiber optic wired direct connection, mobile public network wireless acquisition and transmission, radio shortwave communication;

Memory: 4M (storing over 200000 data), data will not be lost during power failure;

Built in clock and date;

Power consumption: ≤ 6 W;

Temperature measurement range: -5 to 60 ° C; Temperature resolution: 0.01 ° C; Temperature accuracy: ± 0.5 ° C;

Software: Chinese software for measurement control, data acquisition, mathematical statistics, plotting, tabulation, flow rate, water level annual and monthly report output, and rapid establishment of calibration relationship equations;

Each set of equipment needs to be equipped with one terminal that is compatible with ADCP equipment and meets the requirements for operation and data analysis processing;

The contractor shall provide a complete and effective installation and commissioning plan, as well as equipment lightning protection measures plan, to ensure that the instruments are protected to the maximum extent possible.

▲ The installation bracket adopts a guide rail type, designed with 316 stainless steel, and must have anti-theft measures. Installation includes diving operations (cost included in the bidding quotation, not separately listed);