Lean meters

MT691 – Smart and lean electricity meter

The MT691 intelligent basic meter was developed specifically for the German market. It meets both the specifications of the FNN MS2020 project and strict market requirements. This lean electricity meter is intended for use in households and small businesses.


  • Long-term stability of measurement accuracy
  • Excellent reliability and long service life
  • Suitable for photovoltaic systems (EEG systems)
  • Simple, safe, and quick plug and play installation
  • Compact housing made of self-extinguishing polycarbonate
  • Direct connection to SMGW
  • Data security by with BSI requirements
  • Added value through two-line information display
  • Optical LMN communication interface on the back ~ 1 Mb / s
  • Front INFO IR communication interface

  • Magnetic field manipulation detection (optional)
  • Suitable for EEG systems
  • Consumption since the last reset
  • Double tariff version according to EDL FNN LH specifications
  • Data protection via PIN
  • Sealing pin with position detection
  • Signature formation
  • Optical display of the operation
  • Historical consumption values
  • Unidirectional or bidirectional energy measurement

MT691 Smart electricity meter brochure

Would you like to know more about the product? Make sure to download the brochure and get more information about the features, benefits and technical specifications.

Smart energy product portfolio

Our robust portfolio of smart metering solutions enables us to predict future needs for efficient energy management. Based on digitized IoT solutions, our products and services provide utilities with the data they need to manage energy consumption, anticipate demand and optimize costs.