List of calibration services
no.
Test equipment to be calibrated or measured value/ quantity
Measured or reproduced value or range using our standards
Best measuremnet capability
Expanded uncertainity
Remarks
1. 1.
Reproduction of insulation resistance (VBK-1 procedure)
10 kohm ... 30 Gohm
0,6 %
k = 2
BMC referred to measures value
1. 2.
Reproduction of insulation resistance (VBK-2 procedure)
10 kohm ... 1 Tohm
0,12 %
k = 2
BMC up to 5 Mohm
2.
Measuring of insulation resistance test voltage
50 V ... 1000 V
64 ppm
k = 2
BMC at 1000 V
3. 1.
Reproduction of low resistances (VBK-1)
0 ohm ... 1,9 kohm
0,6 %
k = 2
BMC referred to measures value
3. 2.
Reproduction of low resistances (VBK-2)
0 ohm ... 1 kohm
0,17 %
k = 2
BMC at 1000 ohm
4. 1.
Reproduction of line and loop resistance (VBK-1)
0 ohm ... 1 kohm
0,6 %
k = 2
BMC referred to measures value
4. 2.
Reproduction of line and loop resistance and PE continuity (VBK-2)
0 ohm ... 1 kohm
0,6 %
k = 2
BMC at 1000 ohm
5. 1.
Reproduction of earth resistance (VBK-1)
a) four lead method
0 ohm ... 1,9 kohm
0,6 %
k = 2
BMC referred to measures value
b) using one clamp
0 ohm ... 1,9 kohm
0,6 %
c) using two clamps
0 ohm ... 290 ohm
0,6 %
5. 2.
Reproduction of earth resistance (VBK-2)
  
a) four lead method
0 ohm ... 1 kohm
0,6 %
k = 2
BMC at 1000 ohm
b) using one clamp
0 ohm ... 1 kohm
0,6 %
BMC at 1000 ohm
c) using two clamps
0 ohm ... 100 ohm
0,6 %
BMC at 100 ohm
6. 1.
 RCD measurements (VBK-1)  
a) contact voltage
0 V ... 125 V
0,6 %
k = 2
BMC referred to measures value

b) trip out time
18,1 ms ... 1711 ms
2,2 ...
19 ms
Time domain according t EN 61009
6. 2.
RCD measurements (VBK-2)
       
a) contact voltage
0 V ... 125 V
0,6 %
k = 2
BMC referred to measures value
b) trip out time
18,1 ms ... 5 s
0,7 ms
BMC referred to measures value
c) tripping current
3 mA ... 3 A
1,5 %
BMC at 100 mA
7. 1.
 Reproduction of varistor over-voltage protection (VBK-1)
0 V ... 1000 V
0,6 %
k = 2
BMC referred to measures value
7. 2.
 Reproduction of varistor over-voltage protection (VBK-2)
0 V ... 1000 V
0,12 %
k = 2
BMC referred to measures value
8.
Voltage drop
0 V ... 10 V
0,2 %
k = 2
BMC referred to measures value
9.
 Leakage current
2 mA ... 7,7 mA
1,7 %
k = 2
BMC at 7,7 mA
10.
Measurement of withstanding voltage
       
a) voltage
100 V ... 12 kV
0,9 %
k = 2
BMC at 12 kV
b) current
50 µA ... 20 mA
5 %
  
BMC at 20 mA
11.
Reproduction of DC voltage
0 mV ... 1020 V
32 ppm
k = 2
BMC at 20 V
12.
Reproduction of DC current
0 µA ... 20,2 A
81 ppm
k = 2
BMC at 20 mA
13.
Reproduction of DC current for clamps
0 A ... 1100 A
0,58 %
k = 2
BMC at 1000 A
14.
Reproduction of AC voltage
0 mV ... 1020 V
0,044 %
k = 2
BMC at 20 V
15.
Reproduction of AC current
0 µA ... 20,2 A
0,12 %
k = 2
BMC at 2 A
16.
Reproduction of AC current for clamps
0 A ... 1100 A
0,3 %
k = 2
BMC at1000 A
17.
Reproduction of power
0 W ... 1000 kW
0,16 %
k = 2
BMC at 400 W
18.
Reproduction of four wire resistance
0 ohm ... 1 Gohm
0,046 %
k = 2
BMC at 1 kohm
19.
Reproduction of frequency
10 Hz ... 10 MHz
14 ppm
k = 2
BMC referred to measures value
20.
Reproduction of capacity
1 nF ... 100 µF
0,31 %
k = 2
BMC at 100 nF
21.
Measurement of DC voltage
0 mV ... 1000 V
0,004 %
k = 2
BMC at 10 V
22.
Measurement of DC current
0 mA ... 3 A
0,07 %
k = 2
BMC at 100 mA
23.
Measurement of AC voltage
0 V ... 750 V
0,1 %
k = 2
BMC at 100 V
24.
Measurement of AC current
0 mA ... 3 A
0,5 %
k = 2
BMC at 100 mA
25.
Measurement of four wire resistance
0 ohm ... 100 Mohm
0,01 %
k = 2
BMC at 100 kohm