DQLe (KDQLe) - Power Factor Meter

Austausch der Skala - Dial Exchange


  • Display of the power factor cos φ
  • Linear or non linear scale available
  • Low consumption
  • Wide frequency range of operation
  • Stromanschluss über Durchführungswandler
  • Exchangeable scale
  • Protective cover for terminals (optional)


The instrument operates on fast sampling method of input quantities (current and voltage) on all tree phases. From the input data microprocessor calculates the power factor. It can be chosen between direct measuring of the power factor (linear cosφ-sclae) and measuring of the phase angle (non linear cosφ scale).

Technical Data

Accuracy: 2.5 according to EN 60 051
Nominal voltage Un: 57, 1001), 1101), 230, 400, 500 V
Nominal current In: 1 A or 5 A
Frequency range: 45 ... 65 Hz
Standard rage cap 0,5 ... 1 ... 0,5 ind
different ranges at request
Housing: Polycarbonat
non-flammable, according to UL 94 V-0
Protection: class:

Case IP 52
terminal contacts IP 00 (IP 20 for connection terminals)
according to EN 60529:1989

Operating position:

vertical± 5°

1) also available for voltage transformer x/100/110V

Ordering Data

For ordering it is necessary to specify:

  • Type of instrument
  • Type of system
  • Rated current or current ratio
  • Rated voltage or voltage ratio
  • End scale value acc. to technical data
  • Auxilary power supply.


Ordering example:

  • DQLe 96 0.5cap. ...1...0.5ind., 500/5A, 230V
  • KDQLe 96 0.5cap. ...1...0.5ind., 200/5A, 10kV/110V

KDQLe 72 DQLe 72 KDQLe72 DQLe72 KDQLe 96 DQLe 96 KDQLe96 DQLe96 KDQLe 144 DQLe 144 KDQLe144 DQLe144




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