This Standard specifies requirements for water meters used to meter the actual volume of cold and heated drinking and non-drinking water flowing through a fully charged closed conduit, other than applications covered by ATS 4747 series, and additional to those specified in NMI R 49-1.

NOTES:

1 Means for demonstrating compliance with this Standard is given in Appendix A.

2 Purchasing guidelines are given in Appendix B.