22
Specifications
Accuracy
Accuracy is specified from -20°C to 40°C
Measurements
Note:
All data regarding accuracy is given for nominal (reference) environment condition.
Insulation Resistance
Nominal test voltage: 250 V, 500 V, 1 kV, 2.5 kV, 5 kV
Current capability of test generator: >1 mA
Short-circuit test current: 5 mA.
Automatic discharge of tested object: Yes
Measuring Range Riso: 0.12 MΩ up to 999 GΩ*
Display Range
Resolution
Accuracy
5 - 999 kΩ
1 kΩ
± (5 % of r 3 digits)
1.00 - 9.99 MΩ
10 kΩ
10.0 - 99.9 MΩ
100 kΩ
100 - 999 MΩ
1 MΩ
1.00 - 9.99 GΩ
10 MΩ
10.0 - 99.9 GΩ
100 MΩ
100 - 999 GΩ
1 GΩ
±(10 % of r 3 digits)
*Full-scale value of insulation resistance is defined according the following equation:
R
FS
= 1GΩ * U
test
[V] (if U
test
> 1kV then R
FS
= 1TΩ)
DC test voltage:
Voltage value: 250V, 500V, 1kV, 2,5kV, 5kV.
Accuracy: -0 / +10 % + 20 V.
Output power: 5 W max.
Display range test voltage (V)
Resolution
Accuracy
0 - 1999 kΩ
2.00k - 5.50k
1 V
10V
± (3 % of r 3 digits)
For insulation resistance value under 5 kΩ the instrument will desplay the value 0 Ω.
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