PQFeDd - Double Pointer Frequency Meter

Hauptbild - PQFeDd - Double Pointer Frequency Meter
Austausch der Skala bei Schalttafeleinbaugeräten und Messgeräten zur Hutschienenmontage - PQFeDd - Double Pointer Frequency Meter
Properties
  • Pointer frequency meter with two separate systems

  • low self-consumption

  • Synchronisation of two grids

  • Elektronische Frequenzmessung

  • Auxiliary voltage generation from the measuring circuit

  • Terminal cover according to VGB 04 (option)

Description

The PQFeDd type instruments are used to measure two network frequencies.

Variants

PQFeDd 96 96 x 96 mm for panel mounting
PQFeDd 144 144 x 144 mm for panel mounting

Application

The PQFeDd type instruments are designed to measure two frequencies in the range between 45 and 65 Hz. They are used in the synchronisation of two networks.

Technical Data

Technical Data

Accuracy class

45...55 Hz, 48...52 Hz, 55...65 Hz: 0.5
45...65 Hz: 1
(according EN 60 051)

Housing

Polycarbonate self-extinguishing, according to UL 94 V-0

Protection class

Housing IP 52
Terminals IP 00 (IP 20 for size 45)
according to 60529: 1989

Mounting position

vertical ± 5°

Environmental Conditions

Climate class

2 according VDE/VDI 3540

Temperature

Reference range +18 ... +28°C
Working range -25 ... +55°C
Storage -40 ... +70°C

Relative humidity

≤ 80 % (without condensation)

Measuring ranges

Voltage values

100 V

110 V

230 V

400 V

500 V

Frequency values

2x 45...65 Hz
2x 48...52 Hz
2x 45...65 Hz
2x 55...65 Hz
2x 58...62 Hz

Further measuring ranges available, intermediate values possible

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