MID Multifunction poly-phase electronic precision meter class C.

For medium / large industrial and commercial customers.

Available “closed” (MT830) or “modular” (MT831) variants with optional modules to expand input/output and communication meter capabilities. The meter is approved according to IEC 62053-21, IEC 63053-22, IEC 62053-23 standards and ISO 9001

Measurement and registration of:

  • Active energy in two flow directions class 0.5S or 1
  • Reactive energy in 4 quadrants and combined
  • Apparent energy
  • Maximum demand tariff rated or cumulative
  • Two indipendent load profiles
  • Network quality parameters


  • Direct or transformer connected
  • Multirange measuring voltage 57 - 240 V
  • Indipendent multi-tariff structure for energy and demand
  • 2 Log books
  • Anti-fraud features
  • 2 indipendent communication interfaces (IR + CS, RS232 o RS485)
  • Communication protocols IEC62056-21 and Modbus/RTU-Modbus/TCP on the optional module MKMB-3-e-3
  • Optional plug & play modules (only mod. MT831) to expand meter capabilities.