Siemens Sicam P850 7KG85 Series - Calibrating the Alternating Current Measuring Range

10 Calibration
10.3 Calibrating the Alternating Current Measuring Range
244 SICAM P850/P855, 7KG85xx, Device Manual
E50417-H1040-C482-A6, Edition 10.2018
10.3 Calibrating the Alternating Current Measuring Range
Measurement Setup
Figure 10-4 Measurement Setup for Calibrating the Alternating Current Measuring Range
Measuring Ranges
You can perform the calibration for the following alternating current measuring ranges
•AC 1 A
•AC 5 A
Calibration
To calibrate the alternating current measuring ranges, proceed as follows:
✧ Set up the measurement as shown in figure 10-4.
Reference
N
1
Current
Output
2
3
NOTE
Calibration is only possible with symmetrical phases (3 x 120°).
NOTE
If you use a testing instrument of the type OMICRON as a reference, then you must connect the connection N
of the current output with the grounding terminal of the SICAM P850/P855.