There are certain deadlines for the use of water meters. For the safe use of water meters and conservation of water resources, relevant departments need to test the water meters. In order to facilitate the verification of water meters, government departments have also formulated relevant document standards to regulate the design, manufacture, installation, and verification of water meters.
In the GB/T778.2-1996 "Cold Water Meter Part 2: Installation Requirements" standard equivalent to the use of water meter international standard ISO4064-2:1978 the standard specifies the special requirements for the selection of water meters, connecting pipe fittings, installation, some water meters and new Or the guidelines for the water meter used for the first time after repair.
As one of the measuring instruments, the water meter is a public metering standard for the water meter, which unifies the county's value, carries out value transfer, and enforces mandatory inspections to ensure that the water meter of the county is accurate and reliable. It is the administration and enforcement of the quality and technical supervision department. Provide technical support.
The water meter verification station shall complete the establishment of water metering standards before obtaining authorization to carry out the verification. In accordance with the "Measurement Law" to carry out work, in accordance with JJG162 "Cold Water Meter Verification Regulations," equipped with the corresponding measurement of standard equipment and ancillary equipment. According to JJGl64-2000 "liquid flow standard device measurement verification procedures" for verification.
As a compulsory measurement and measurement instrument for trade settlement, metering accuracy is directly related to the legitimate rights and interests of water supply enterprises and consumers, and it is also an urgent requirement for establishing fair trade and building a conservation-minded society. In order to effectively strengthen the compulsory verification of water meters, the Huo Shi Bureau of Quality Supervision shall increase the intensity of inspections, strictly perform inspections in accordance with the provisions of the verification regulations, verify the installation of qualified seals, and affix a strong inspection qualified mark; and issue a “Notification of Verification Results†if the verification fails. book". For water meters that have not passed the first mandatory inspection or verification, they must not be installed or used. At the same time, it actively visited the users, did a good job of propaganda for compulsory verification, and actively promoted the knowledge of water meter measurement verification to users, and improved the measurement consciousness of enterprises and users.
In the process of verification of the water meter, the verification department needs to develop according to the relevant document standards. Only in this way can the verification be carried out in a fair and open manner to ensure the reliability of the water meter.
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