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Watt- and Var- meters, Type WQ

WQ type wattmeters and varmeters are designed to measure power in single-phase and three-phase networks with both symmetric and asymmetric load distribution over phases. The WQ type watt and varmeters include: an electronic measuring unit that converts power into direct current and an indicator - a direct current ammeter with a magnetoelectric measurement system.

Specifications:
  • Accuracy class: Class 1.5 (-10 ... 15 ... 30 ... 55 ° C)
  • Frequency: 45 ... 65 Hz
  • Measured voltage: 100-110-115-127-220-230-240 V AC +/- 20% (all connections) 380-400-415-440-450 V AC +/- 20%, 480 V AC + 10% / -30% (1W3, 2W3, 3W4, 1var3, 2var3 and 3var4) Max. 515 V (300 V - Cat. III / 600 V Cat. II) Consumption: Max. 3
  • Temperature: -10 ... 55 ° C (nominal) -25 ... 60 ° C (operation) -40 ... 65 ° C (storage)

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