T/CIDA 0010-2022 Active

Scope: This standard specifies the product classification, system composition structure, technical requirements, test methods, inspection rules, installation methods, operation and maintenance, user manual, packaging and transportation, etc. of ultrasonic time-difference flow velocity measurement devices for open channels. This standard applies to the design, production, inspection, and use of ultrasonic time-difference flow velocity measurement devices for open channels. Main technical contents: Foreword 1 Scope 2 Normative references 3 Terms and definitions 4 Product classification and frequency application range 4.1 Product classification 4.2 Frequency application range 5 System composition and structure 5.1 Wireless time-difference flow measurement system composition and structure 5.2 Wired time-difference flow measurement system composition and structure 5.3 System functional configuration 6 Technical requirements 6.1 Basic parameters 6.2 Transducer 6.3 Communication unit 6.4 Power supply 6.5 Interface 6.6 Recording and storage 6.7 Operating environment conditions 6.8 Overall machine requirements 6.9 Mechanical environmental adaptability 6.10 Waterproofing, lightning protection, and electromagnetic interference resistance 6.11 Reliability 7 Test methods 7.1 Still water tank (calibration tank) 7.2 Dynamic water tank with rotary flow meter comparison 7.3 Artificial channel with rotary flow meter comparison 7.4 Volume method accuracy test 7.5 Sediment application amount in water bodies 7.6 Transducer indicator test 7.7 Operating environment test 7.8 Mechanical environmental adaptability 7.9 Lightning protection and electromagnetic interference resistance 7.10 Reliability 8 Factory inspection rules 9 Marking and user manual 9.1 Marking 9.2 User manual 10 Packaging, transportation, and storage 10.1 Packaging 10.2 Transportation 10.3 Storage 11 Installation and operation maintenance