Wattmeters and varmeters Ts42303 are designed to measure active or reactive power in three-phase three-wire AC circuits with frequency 50-60 Hz at uniform or non-uniform loading of phases. The devices are made on the basis of electronic converter of input signal into DC signal and magneto-electric device, placed in one case. The dials and scales of the devices are made in accordance with GOST 5365.
The instruments are verified in accordance with the requirements of GOST 8.497-83. Ts42303 are included in the State Register of Measuring Instruments of the Russian Federation No. 24987-18.
Interverification interval is 3 years.
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