10 Calibration
10.4 Calibrating the Measuring Voltage Input of Neutral Conductor VN
249SICAM P850/P855, 7KG85xx, Device Manual
E50417-H1040-C482-A6, Edition 10.2018
✧ Click the AC Calibration element in the navigation window.
Figure 10-9 Calibrating the Neutral Voltage in the Neutral Conductor
✧ Check which measuring range is presently used in the input/output window at
Actual measuring range is: 63.5 V / 1 A.
✧ Enter the maintenance password into the Password field.
✧ Enter the reference voltage 63.5 V that is generated by the measurement setup into the Neutral voltage
field.
✧ Click Calibrate neutral.
The device executes the calibration and the lower field of the input/output window automatically displays
the updated calibration date.
✧ Check the calibrating values in the Value View tab AC operational values.
✧ Carry out the calibration for the voltage measuring ranges AC 110 V, AC 230 V and AC 400 V in
accordance of the described work steps.
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