54
Full-electronic HV-Tester F1-1x Typs
9. SPECIFICATION
Options
See chapter 13.
9.2.2
Insulation resistance measurement with
HV-DC
Measurement ranges:
1 MOhm, 10 MOhm, 100 MOhm
Contact monitoring Rmax:
Dependent on the measurement range
Ramp function:
Ramp up/ramp down
Resolutions/measuring errors
Resolution of resistance indication:
10 kOhm ( 1 MOhm range)
100 kOhm ( 10 MOhm range)
1 MOhm (100 MOhm range)
Measuring error on resistance indication (ISO)
Test voltage
Range
Measuring error on resistance
indication (ISO)
500 V DC
1 MOhm
10 MOhm
100 MOhm
3% of the measured value
+/- 2 digit
+/- 2 digit
+/- 2 digit
1000 V DC
1 MOhm
10 MOhm
100 MOhm
1,0 % of the measured value
1,0 % of the measured value
3,0 % of the measured value
+/- 2 digit
+/- 2 digit
+/- 2 digit
Devices higher
then 6000 V DC
100 MOhm
500 MOhm
3,0 % of the measured value
+/- 3 digit
+/- 3 digit
Note on measuring error
at Insulation resistances higher then 35
MOhm:
The relation of the "insulation resistance" to the "reactive part of
(inductive/ capacitance) must be less to "0,5" ("tan
j
"). Reactive parts are
e.g. capacity of cables or the capacities inside the test object.
Consider additional Chapter 3.4.1 "
Requirements at connecting lines
to the test object".
Options
See high voltage (above).
tan
j
< 0,5
