Description
Fluke 1555 Insulation Meter Repair
The Fluke 1555 is an insulation resistance tester – it applies a high DC test voltage and measures the very small leakage current that results, which is a demanding combination: generating hundreds or thousands of volts while resolving currents in the nanoamp range, inside a handheld case.
The Fluke 1555 is repaired at June Company by technicians who work on this class of instrument daily, for electrical contractors, maintenance electricians, motor shops, and cable testing crews. Every instrument is repaired at component level and verified against reference standards before it ships back, with the measured results documented.
Common Fluke 1555 problems we fix
- Test lead or terminal faults.
- Output or measurement drifted out of tolerance – corrected and verified against reference standards.
- Battery, charging or power faults.
- Display, keypad or interface faults.
- Test voltage low or not generating – the high-voltage generation stage – a tester producing 300 V instead of 1000 V still returns a plausible-looking resistance figure that is simply wrong.
- Resistance readings inaccurate at the high end – the measurement path, where the currents involved are extremely small and drift shows first on the highest ranges.
- Will not discharge the circuit after a test.
FAQs
What if it is not economical to repair? We tell you in the quote. The evaluation is free and there is no obligation to proceed.
How long does a repair take? Most are completed in 5-10 business days, with a firm quote after evaluation and before any work starts.
Every repair carries a 90-day parts-and-labor warranty, with a firm quote before any work begins. Email us or submit a service request.







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