THE PRIMARY METROLOGY LABORATORIES FOR BASIC ELECTRICAL MEASURES, THE ML-01

 
The Laboratory has the authority of the Ministry of Defence and is accredited by the Accreditiation Board of Serbia according to ISO/IEC 17025/2006 standard for the calibration of standards and measuring equipment in:
 
-          AC and DC electric voltage,
-          AC and DC electrical current,
-          Electrical resistance
-          Electrical capacitance,
-          Electrical inductance and
-          Sharing ratio of DC and AC voltages.
 
ML-01 is capable of callibration of excellent standards and measuring equipment such as: Weston cells, calibrators of DC and AC voltage, AC/DC standards and termoconverters, multimeters, voltmeters, amperemeters, ommeters, bridges for inductance, capacitance and resistance, resistance of standards, capacitance and inductance, distortion meters, kilovoltmeters etc (scope of accreditation).
 

Excerpt from the scope of accreditation:

MEASURES MEASURING RANGE UNCERTAINTY OF MEASUREMENT (k=2)
AC electrical voltage

1 μV do 1.100 V

1·10-6 do 1·10-3

AC electrical current  

10 pA do 200 A

 

5·10-5 do 5·10-2

DC electrical voltage

1 mV do 1.100 V

1·10-4 do 5·10-2

DC electrical current

1 mA do 500 mA do 1,5 kHz

0,0127 %

Sharing ratio of AC electrical voltage

1:1 do 107:1

5·10-8 do 3,5·10-5

Sharing ratio of DC electrical voltage

1:1 do 107:1 za 1 kHz

2,9·10-7

Electrical resistance

1 mΩ do 1·1013 Ω

5·10-7 do 2,5·10-3

Electrical capacitance

100 fF do 10 μF do 10 kHz

1·10-6 do 1·10-5

Electrical inductance

100 μH do 1H do 10 kHz

5·10-5 do 3·10-3

AC/DC transfer

0,25 V do 1.000 V

1·10-4 do 5·10-2

High voltage

30 kV do 100 kV

0,01 %

Distortion

0,01 % do 100 %

1 % do 2 %

 

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