Digital Multi Function Meter
Working principle, Connection Diagram, and Features.


  1. Digital Multi Function Meter.
  2. Connection diagram
  3. Parameters of multi function meter
  4. Applications of multi function meter.

1 - Digital Multi Function Meter:

MF meter is an instrumental measuring device which is installed on electrical panel. It measures many type parameters. It works on digital program which can be editable as per requirement.

A MF meter is used for monitoring and measuring the electrical parameters like as active power, voltage, current,apparent power, power factor, reactive power,phase angle, Active energy etc.

Multi function meter: diagram and features .

2 - Connection Diagram:

Multi function meter: diagram, features & applications.

3 - Types of parameters of MF Meter:

  • Voltage:- RY, YB, RB, RN, YN, BN.
  • Current:- R, Y, B, N
  • Phase wise load in % : three current in % of full load.
  • Unbalance load in % : Current and voltage unbalance in %.
  • Power factor:- pf1, pf2, pf3
  • Power: VA, W, VAR, per phase and total.
  • Energy:VAh, Wh, + VARh.
  • Auxiliary supply: 44V to 277 Volt.
  • Frequency: +/- 5 %
  • Input current: 50mA to 6A

4 - Applications of Multi Function Meter:

MF meter are used in india or global in widely. It can be used easily in electrical panels, DG incomer panel, Water treatment plant, chiller plant, production houses for motor control panel etc.

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