How often is the water meter checked?
Water meters belong to strong inspection and measuring instruments. According to the relevant provisions of the state 's work on the determination of work measuring instruments for compulsory verification, the period of inspection for general inspection instruments shall not exceed 1 years.
Considering the special installation and use of water meter, especially the living water meter, it is difficult to carry out periodic verification. Therefore, the inspection of life meter is usually carried out for the first time.
In accordance with the relevant provisions of the state, with its first life meter compulsory verification of the effective period is defined as: the caliber of 15 - 25mm (15mm, 25mm), the use of the term may not exceed 6 years; the caliber of 25 - 50mm (25mm, 50mm), the use of the term may not exceed 4 years; diameter greater than 50mm, according to 25-50mm the requirements of the implementation. The qualified water meter shall be affixed to "calibration certificate" label and add after the first inspection sign seal "".