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
The standard covers three primary subcomponents that make up a complete heat meter:
Requires meters to store, display, and transmit measurement results for historical tracking. Accessing the Full Text gost r 51649 2017 skachat pdf
A common repository for technical regulations and GOST documents.
💡 Ensure you are viewing the 2017 revision , as it replaced the older 2014 and 2000 versions to align with updated metrological requirements. GOST R 51649-2000 is the current Russian national standard for heat
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 matched pair that calculates the temperature difference between supply and return. Accessing the Full Text A common repository for
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: