▲ Measurement range ≥ 150m;
Resolution 1mm/s;
Accuracy ± 3%;
▲ Satellite timing: GNSS timing (single Beidou), 1PPS timing accuracy not exceeding 3ns;
Power consumption: ≤ 30W;
communication interface: RS485/RS232;
▲ Each set of equipment needs to be equipped with one terminal that is compatible with the ultrasonic time difference flowmeter equipment and can meet the requirements of operation and data analysis and 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;
▲ Installation accessories include installation platform, signal line, galvanized water pipe, etc. The installation bracket is designed with 316 stainless steel and must have anti-theft measures. Installation includes diving operations (cost included in the bidding quotation, not separately listed);
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