Earth-Bond Resistance Measurement; Insulation Specifications - Fluke 1508 User Manual

Earth-Bond Resistance Measurement

Range
20.00 Ω
200.0 Ω
2000 Ω
20.00 kΩ
1. Accuracies apply from 0 to 100% of range.
Overload Protection ............................................2 V rms or dc
Open Circuit Test Voltage ...................................> 4.0 V, < 8 V
Short Circuit Current............................................> 200.0 mA

Insulation Specifications

Measurement Range...........................................0.01 MΩ to 10 GΩ
Test Voltages ......................................................50, 100, 250, 500, 1000 V
Test Voltage Accuracy ........................................+ 20 %, - 0 %
Short-Circuit Test Current ...................................1 mA nominal
Auto Discharge....................................................Discharge time <0.5 second for C = 1 μF or less
Live Circuit Detection: .........................................Inhibit test if terminal voltage > 30 V prior to initialization of test.
Maximum Capacitive Load ..................................Operable with up to 1 μF load.
Resolution
0.01 Ω
0.1 Ω
1 Ω
0.01 kΩ
Insulation Testers
Specifications
Accuracy 1
+ (% of Rdg + Digits)
+ (1.5 % + 3)
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