Accuracy; Accuracy Table; Insulation Resistance Test - Greenlee 5882A Manuel D'instructions

Accuracy

Accuracy is specified as follows: ± (a percentage of the reading + a fixed amount)
at 20 °C to 26 °C (68 °F to 78.8 °F), 45% to 55% relative humidity.

Accuracy Table

Test Voltage (V )
T
Measurement
Range
Resolution
Accuracy
* For all test voltages, when the insulation resistance is ≤2 GΩ, the intrinsic uncertainty is
± (3% R + 2ct.)

Insulation Resistance Test

Test Voltage
50 V
100 V
250 V
500 V
1000 V
30
50 V – 100 V – 250 V – 500 V – 1000 V
10 to 999 kΩ
4.00 to
and 1.000 to
39.99 MΩ
3.999 MΩ
1 kΩ 10 kΩ
V
V
V
T
V
T
V
T
Resistance
10 kΩ to 10 GΩ
20 kΩ to 20 GΩ
50 kΩ to 50 GΩ
100 kΩ to 100 GΩ
200 kΩ to 200 GΩ
40.0 to 400 to
399.9 MΩ 3999 MΩ
100 kΩ
= 50 V: ± (3% R + 2 ct + 2% / GΩ)
T
= 100 V: ± (3% R + 2 ct + 1% / GΩ)
T
= 250 V: ± (3% R + 2 ct + 0.4% / GΩ)
= 500 V: ± (3% R + 2 ct + 0.2% / GΩ)
= 1000 V: ± (3% R + 2 ct + 0.1% / GΩ)
4.00 to
39.99 MΩ
1 MΩ 10 MΩ
40.0 to
200.0 MΩ
100 MΩ