Gost R 51649 2017 Skachat Pdf -

A matched pair that calculates the temperature difference between supply and return.

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. gost r 51649 2017 skachat pdf

is the current Russian national standard for heat meters used in water-based heating systems. It establishes technical requirements for the accuracy, design, and testing of devices that measure thermal energy. Key Technical Specifications A matched pair that calculates the temperature difference