Meters must meet specific accuracy classes (typically Class 2 for billing) to ensure fair commercial accounting. Measurement Ranges: Defines nominal flow ( Qpcap Q sub p ), minimum flow ( Qicap Q sub i ), and maximum flow ( Qscap Q sub s ) thresholds.
A common repository for technical regulations and GOST documents. gost r 51649 2017 skachat pdf
To view or download the official PDF, you should use authorized technical libraries. Note that while some sites offer "skachat" (download) links, official versions are often hosted on government or accredited industry portals: Meters must meet specific accuracy classes (typically Class
Specifies how devices must perform under various pressures (PN) and temperatures. gost r 51649 2017 skachat pdf