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The Fluke 1550C Insulation Tester performs digital insulation testing up to 5 kV. It features remote operation, real-time trending, and can create reports quickly, using pre-designed templates that you can customize with company logos. It’s the perfect tool for preventive or predictive maintenance programs designed to identify potential equipment failures before they occur. It has a CAT IV 600 V safety rating.
Insulation Resistance Measurement Test voltage (DC). 250 V. Range: < 250 kΩ, 250 kΩ to 5 GΩ, 5 GΩ to 50 GΩ, > 50 GΩ. Accuracy (± reading): Unspecified, 5%, 20%, Unspecified. 500 V. Range: < 500 kΩ, 500 kΩ to 10 GΩ, 10 GΩ to 100 GΩ, > 100 GΩ. Accuracy (± reading): Unspecified, 5%, 20%, Unspecified. 1000 V. Range: < 1 MΩ, 1 MΩ to 20 GΩ, 20 GΩ to 200 GΩ, > 200 GΩ. Accuracy (± reading): Unspecified, 5%, 20%, Unspecified. 2500 V. Range: < 2.5 MΩ, 2.5 MΩ to 50 GΩ, 50 GΩ to 500 GΩ, > 500 GΩ. Accuracy (± reading): Unspecified, 5%, 20%, Unspecified. 5000 V. Range: < 5 MΩ, 5 MΩ to 100 GΩ, 100 GΩ to 1 TΩ, > 1 TΩ. Accuracy (± reading): Unspecified, 5%, 20%, Unspecified.
Additional Specifications. Bar graph range: 0 to 1 TΩ (1550C) - 0 to 2 TΩ (1555). Insulation test voltage accuracy: -0%, +10% at 1 mA load current. Induced AC mains current rejection: 2 mA maximum. Charging rate for capacitive load: 5 seconds per μF. Discharge rate for capacitive load: 1.5 s/μF. Leakage current measurement. Range: 1 nA to 2 mA. Accuracy: ± (5% + 2 nA). Capacitance measurement. Range: 0.01 μF to 15.00 μF. Accuracy: ± (15% rdg + 0.03 μF). Timer. Range: 0 to 99 minutes. Resolution setting: 1 minute. Resolution indication: 1 second. Live circuit warning. Warning range: 30 V to 660 V AC/DC, 50/60 Hz. Voltage accuracy: ± (15% + 2 V).
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