MS ISO 7858-2:2003 Measurement of water flow in closed conduits - combination meters for cold potable water - part 2: installation requirements (ISO 7858-2:2000, idt)
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This part of ISO 7858 specifies the criteria for the selection of combination meters for cold water and their associated fittings, for the installation and first operation of new or repaired meters, for the purpose of ensuring accurate and constant measurement as well as reliable reading of the meters.
The field of application is as defined in iSO 7858-1. This part of ISO 7858 deals only with combination meter installations.
Particular requirements dealing with single meter installations are specified in ISO 4064-1, ISO 4064-2 and ISO 4064-3.
When legal requirements exist, they shall in al cases take precedence over or supplement the specification given in this part of ISO 7858.
MS ISO 7858-2:2003 Measurement of water flow in closed conduits - combination meters for cold potable water - part 2: installation requirements (ISO 7858-2:2000, idt)