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Company HELM d.o.o. is a body, authorized by the State Metrology Institute for the preparation of electricity meters for the verification of the following types of meters:

  • Single-phase and three-phase static meters of active energy
    accuracy class 0,2S 0,5S; 1; 2; AND; B and C
  • Single-phase and three-phase static meters of reactive energy
    accuracy class 2 and 3.

Our employees have high expertise and many years of experience in this business.

The company carries out its activity at Zagreb, Koledovčina 1.
For services you can contact us via the form on our contact pages


Decision on approval of the State Office for Metrology.pdf

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