Earth-Bond Resistance Measurement; Insulation Specifications - Fluke 1503 User Manual

1507/1503
Users 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 model 1507, 0.01 MΩ to 2000 MΩ model 1503
Test Voltages ......................................................50, 100, 250, 500, 1000 V model 1507, 500 and 1000 V model 1503
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.
22
Resolution
0.01 Ω
0.1 Ω
1 Ω
0.01 kΩ
Accuracy 1
+ (% of Rdg + Digits)
+ (1.5 % + 3)