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The Fluke 1507 insulation resistance tester features an insulation test range from 0.01 MΩ to 10 GΩ and insulation test voltages of 50 V, 100 V, 250 V, 500 V, 1000 V. It has live circuit detection that prevents insulation test if voltage > 30 V is detected for added user protection.
Specifications.
AC/DC Voltage Measurement.
Accuracy Range: 600.0 V
Accuracy Resolution: 0.1 V
Accuracy: 50 Hz to 400 Hz ± (% of Rdg + Digits).
Input impedance: 3 MΩ (nominal), < 100 pF.
Common mode rejection ratio (1 kΩ unbalanced): > 60 dB at DC, 50 or 60 Hz.
Overload protection: 600 V rms or DC.
Earth Bond Resistance Measurement.
Range/Resolution:
20.00 Ω / 0.01 Ω,
200.0 Ω / 0.1 Ω,
2000 Ω / 1.0 Ω,
20.00 kΩ / 0.01 kΩ.
Accuracy: ±(1.5% + 3).
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 voltage: 50 V, 100 V, 250 V, 500 V, 1000 V.
Test voltage accuracy: + 20%, - 0%.
Short circuit current: 1 mA nominal.
Auto discharge: discharge time < 0.5 second for C = 1 µF or less.
Live circuit indicator: inhibit test if terminal voltage > 30 V prior to initialization of test.
Maximum capacitive load: operable with up to 1 µF load.
Measure accuracy:
50 V ±(3% + 5),
100 V ±(3% + 5),
250 V ±(1.5% + 5),
500 V ±(1.5% + 5),
1000 V ±(1.5% + 5) to 2000 MΩ, ±(10% + 3) above 2000 MΩ.
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