Requires meters to store, display, and transmit measurement results for historical tracking. Accessing the Full Text
The Federal Agency on Technical Regulating and Metrology (Official source). 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: Requires meters to store, display, and transmit measurement
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 Requires meters to store