Portable Type instruments are Electrodynamometer type instruments. They can be used in Single Phase, Three Phase Three wire and Three Phase Four wire systems, and are designed to be used in horizontal positions.
Specifications :
Electrodynamometer Type Meters :
Rated Accuracy : ± 1.0% of full scale value as per between 10% to 100% of the scale for
Single phase UPF Wattmeters :
- ± 1.5% of full scale value as per for Three Phase Wattmeters
- ± 1.5% of full scale value as per for 0.2 P.F. (LPF) Single
Phase Wattmeter : ± 3° (Electrical) for Power Factor Meters