PMH PM 600 Power Meters

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Magnetic voltage

Measuring tips for measuring the voltage during operation

Hinged current transformers

Encompass the conductors of the phases L1, L2, L3

All measured data are transferred digitally (Modbus)

Transferred to Check Box M6/ Check Box M1-M5 and can be recorded there

Current transformer can be opened

The PMH PM 600 Power Meter is connectable to third party sensors with the following signal outputs:

  • 4-20 mA
  • 0-20 mA
  • 0-1 V / 0-10 V / 0-30 V
  • Pt 100 (2- or 3-wire)
  • Pt 1000 (2- or 3-wire)
  • Pulse outputs (e.g. of gas meters)
  • Frequency output
  • Modbus protocol

It measures voltage and current and calculates:

  • Active power [kW]
  • Apparent power [kVA]
  • Reactive power [kVar]
  • Active energy [kWh]
  • Cos phi

Technical data PMH PM 600






Voltage (Volt) Current (Ampere) Cos phi

Active power (kW) Apparent power (kVA) Reactive power (kVar) Active energy (kWh) Supply frequency (Hz)

All parameters are

transferred digital to Check Box M6/ Check Box M1-M5



Accuracy current measurement

Threshold values for current deviation. Loss angle according to IEC 60044-1. Current deviation in % at rated current in

120 %    1

100 %    1

20 %     1,5

5 %       3

Accuracy active energy

IEC 62053-21 Class 1

Sensor connections

3 x current transformers (L1,L2,L3,N) 4 x voltage measurement (L1,L2,L3,N)


RS 485 (Modbus protocol)


Measure range

Voltage measurement max. 400 Volt

Current measurement max. 100 A resp. 600 A


Size current transformers

100 A / 1 A

(max.24 mm wire) 600 A / 1 A

(max. 36 mm wire)

Dimensions case

270 x 225 x 156 mm (B x H x T)

Operating temperature

- 10-+40°C


Chart Recorders

If you want to know what’s going on in your compressed air system at any time, then you should invest in a chart recorder. It shows the measurement data of the various sensors on a screen and lets you monitor all parameters at a glance. In addition, you have the option of analyzing the information to help you find the most energy efficient solution for your application.