Electricity meter test equipment ELMA

The Electricity Meter Test Equipment ELMA is designed to provide automated calibration and testing of electricity meters. It can be used also as energy standard test equipment to verify and calibrate energy standards and reference meters in laboratories. The Electricity Meter Test Equipment ELMA conforms to IEC 60736. The Electricity Meter Test Equipment ELMA due to modular concept enables to tailor specifications to specific laboratory demand.


  • The accuracy of the power and energy reference meter is available up to 0.01 %;
  • Extremely pure synthesized 4-quadrant test signal, covers the needs on both: precision and high capacity testing laboratories;
  • The intelligent high resolution Local Evaluation Units scanning the marks on meter's disk and passive sensors, scanning the LED test output of electronic meters;
  • The possibility of using 2 optical sensors for sensing the active and passive LED of electricity meter;
  • The optional optical communication channel enables simultaneous data exchange with electronic meters;
  • The handling system has a capacity for several mobile meter trolleys with 8, 10, 12, 16, 20 or 24 tested meters each;
  • The optional precision electronically compensated transformers enable simultaneous testing of electricity meters with interconnected current and voltage circuits;
  • The wireless data acquisition Hand-Held Unit, with integrated barcode laser scanner enables versatile local data acquisition from the tested meters;
  • The supplied Control Software for Microsoft Windows enables multilingual operation with user definable vocabularies;
  • Local net and database ensures automated data interchange, central evaluation and archiv in laboratories with multiple test equipments.

Technical data