3/5/2020
The National Electrical Manufacturers Association recently published two new standards on electrical submeters. NEMA ESM1-1 2019 Electrical Submeter—General Requirements covers general metrological requirements and associated testing for electrical energy submeters detailing energy use. NEMA ESM1-2 2019 Electrical Submeter—Active Energy Accuracy covers metrological requirements and associated testing for AC meters rated at not more than 1,000 volts that measure active energy used in electrical energy submetering applications. Click here for more information.
