Voltage detectors

PG II

Two-pole phase comparator

PG II two-pole testing devices detect phase balance between two live conductors of a medium voltage distribution network.

The device consists of an operating stick with contact electrode and an indication unit (part A) as well as an operating stick with contact electrode (part B) to tap a comparative phase.

The insulated stick can be removed from the indication unit with the contact electrode.

Contact electrode A is directly connected with the contact electrode B using a helix cable suitable for high voltages.

According to the German accident prevention standard DGUV Regulation 3 (Table 1c), the device is subject to maintenance tests with minimum intervals of at least 6 years.

  • „ Designed according to IEC 61481-2:2014
  • Two-pole phase comparator
  • Detection of correct phase relationship and incorrect phase relationship of two live conductors
  • For dry conditions
  • Optical indication

Technical specifications

Dry conditions ---
Dry and wet conditions -
Self-test -
Visual ---
Visual and acoustic -
Indication

3 red LEDs

Nominal frequency 50 Hz (optional 60 Hz)
Voltage range selectable -
Dismountable ---
Power supply -
Operating class

B (indication of phase unbalance in the range of 60° – 300°)

Temperature range -25 to +70 °C, climatic class N and W
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