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METRON QA-90 - Page 59

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5-15
calibration and calculation of the parameter occurs with a current
of 1000 10000 µA from the calibration instrument.
5. PE/RMDL I-constant. Adjust the current measurement for the
PE and RMDL tests. When the parameter value increases, the
measurement value increases.
6. CC I-constant. Adjust the current measurement for Current Con-
sumption. When the parameter value increases, the measurement
value decreases.
7. IR R-constant. Adjust the resistance measurement for Insulating
resistance. When the parameter value increases, the measurement
value decreases. The calibration occurs with a calibrating resis-
tance of 190 - 210 mΩ. Make sure that the power of 500 V is set
correctly and that the apparatus has reached its operating temper-
ature.

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