Requirements applicable to equipment for measuring, connecting and transmitting data of establishments having works with water resources in Vietnam

Requirements applicable to equipment for measuring, connecting and transmitting data of establishments having works with water resources in Vietnam are specified in Article 8 of Circular 17/2021/TT-BTNMT (Effective from November 30, 2021), specifically as follows:

1. The measuring equipment used in works for extraction/use of water resources must satisfy the following main requirements:

a) The value to be measured must be within the measurement range;

b) The measuring equipment must operate continuously, connect and transmit information and data to the data logger of the supervision database;

c) Regarding water level and discharge meters, the measurement range must not exceed 15 minutes at a time; regarding surveillance cameras, the shutter speed must be at least 01 frame per minute;

d) Before being put into use, the measuring equipment must ensure quality, comply with standards and technical regulations in accordance with prevailing regulations on quality, products and goods, and be kept under metrological control (inspection, calibration, testing) in accordance with prevailing regulations on measurement.

2. Upon carrying out measurement of water level, the absolute error must not exceed 01 cm; regarding the flow meter, the relative error must not exceed 5% of the actually measured value.

3. The equipment for measuring, connecting and transmitting data must comply with connect data standard specified in the Appendix III hereof.

Best Regards!