Wattmeters and varmeters Ts42308 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 instruments are made in accordance with DIN 43802.
The instruments are verified in accordance with the requirements of GOST 8.497-83. Ts42308 are included in the State Register of SI of the Russian Federation No. 64540-16.
Interverification interval is 3 years.
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