This standard specifies terms and definitions, technical characteristic, requirement, test method, test rules, marking, packing, and storage of heat meters.
This standard is applicable to heat meters which the flowing medium is water, the temperature is 2°C~150℃, and the pressure is not larger than 2.5 MPa.
1 Scope 2 Normative References 3 Terms and Definitions 4 Technical characteristics 5 Requirements 6 Test Method 7 Test rules 8 Marking, Packing and Storage Annex A (Informative) Water density and enthalpy value Annex B (Normative) Photoelectric interface Annex C (Normative) Structure and Installation of Platinum Resistance Temperature Sensor Annex D (Normative) Test and calculation for metering accuracy of heat meter Annex E (Normative) Test and calculation for metering accuracy of calculator Annex F (Normative) Test and calculation for metering accuracy of temperature sensor Annex G (Normative) Test and calculation for metering accuracy of flow sensor
