Historical
ANSI/ASHRAE 125-1992 (RA 2006)
Method of Testing Thermal Energy Meters for Liquid Streams in HVAC Systems
The purpose of this standard is to provide a method of testing factory-assembled thermal energy meters used to measure the thermal energy added to or extracted from a liquid stream supplying an HVAC system.
American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. [ashrae]