Fluke 1537-II - Page 33

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1535/1537/1537-II
Users Manual
Table 11. Insulation Resistance Measurement (cont.)
Test Voltage Range Resolution Accuracy
2500 V
<200 kΩ unspecied unspecied
200 kΩ to 500 kΩ 1 kΩ 5 %
0.50 MΩ to 5.00 MΩ 0.01 MΩ 5 %
5.0 MΩ to 50.0 MΩ 0.1 MΩ 5 %
50 MΩ to 500 MΩ 1 MΩ 5 %
0.50 GΩ to 5.00 GΩ 0.01 GΩ 5 %
5.0 GΩ to 50.0 GΩ 0.1 GΩ 5 %
50 GΩ to 500 GΩ 5 GΩ 20 %
>500 GΩ unspecied unspecied
Bar graph range: 0 Ω to 500 G Ω
Insulation test voltage accuracy: -0 %, +10 % at 1 mA load current
Charging rate for capacitive load: 5 s/μF
Discharge rate for capacitive load: 1.5 s/μF
Range Accuracy
Leakage Current
Measurement
1 nA to 2 mA ±(20 % + 2 nA)
Capacitive Measurement 0.01 μF to 2.00 μF ±(15 % of reading + 0.03 μF)
Insulation Resistance
Test Voltage
250 V to 2500 V ±(3 % + 3 V)
Range Resolution
Timer 0 to 99 minutes
Setting: 1 minute
Indication: 1 second
Warning Range
Live circuit warning >30 V
Short circuit current
1535 >2 mA
1537 >5 mA