Laboratory

Laboratory

Laboratory presentation

Necom Laboratory has over 15 years of experience in the field of measurements and BRML has been authorized for over 10 years to issue metrological verification bulletins for current and voltage measuring transformers.

The very good accuracy of the results obtained from the measurements is given by the continuous concern of the management to calibrate and periodically check the equipment and standards used in the measurement measurement process, as well as to equip the laboratory with top equipment, produced by renowned companies. .

The main reference laboratories with which we collaborate in order to compare the results and calibrate the equipment are: PTB - Germany, Epro - Austria, Zera - Germany, INM - Romania; and so on

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Execution deadlines

The main activity of the laboratory is to make metrological verifications according to the Lagala Metrology Norms of the measuring transformers that are to enter the national energy system.

Execution deadlines are influenced by the procedures imposed by NML.

Depending on the degree of load of the laboratory, the execution terms can vary between 4 and maximum 10 working days from the moment of receiving the transformers to be checked.


The parameters of the transformers

The metrology laboratory is authorized by BRML and performs matrological verification works for the following measuring means:

Low voltage:

  • Current transformer for measurement - currents ≤ 100 A, class 0.2; 0.2S, 0.5; 0.5S or 1
  • Current transformer for measurement - currents between 100 - 4000 A, class 0.2; 0.2S, 0.5; 0.5S or 1
  • Voltage transformer for measurement - voltage up to 0.5 kV, housing 0.2; 0.5 or 1
  • Voltage transformer for measurement - voltage between 0.5 kV - 24 kV, housing 0.2; 0.5 or 1

 

Medium tension:

  • Current transformer for measurement - currents ≤ 100 A, class 0.2; 0.2S, 0.5; 0.5S or 1
  • Current transformer for measurement - primary currents between 100 - 4000 A, class 0.2; 0.2S, 0.5; 0.5S or 1
  • Voltage transformer for measurement - voltage up to 0.5 kV, housing 0.2; 0.5 or 1
  • Voltage transformer for measurement - voltage between 0.5 kV - 24 kV, housing 0.2; 0.5 or 1
Technical parameters

Equipment

The equipment used in the laboratory has a high degree of performance and is calibrated and calibrated periodically according to a schedule well established by the integrated management system.

The main equipment used are:

  • Tettex and Zera comparator bridges;
  • Chroma voltage sources;
  • Fluke measuring apparatus;
  • and so on.

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