Description
Fluke 77 Series II Multimeter Calibration and Repair
The Fluke 77 Series II is a rugged handheld digital multimeter (Series II) measuring AC/DC voltage, current, resistance, and continuity with an analog bar graph for general electrical work. Its accuracy depends on the input/measurement circuitry, so that’s where repair and calibration focus.
FlukeMeterRepair.com repairs and calibrates the Fluke 77 Series II for electricians, technicians, and calibration teams.
Common Fluke 77 Series II problems we fix
- Rotary-switch wear — intermittent function selection from a worn switch, repaired.
- Readings inaccurate or out of spec — measurement-circuit drift, recalibrated against standards.
- A function dead — input or range-circuit faults, often after an overload, repaired.
- Input protection blown — repaired after a miswire.
- Rotary-switch, display, or battery faults.
FAQs
My 77 Series II reads wrong or a function is dead — fixable? Yes. Input and measurement faults are repairable, then the meter is recalibrated so all functions read accurately, with a NIST-traceable certificate.
Do you calibrate all functions? Yes — every range is checked against our standards.
Every repair includes NIST-traceable calibration and a 90-day parts-and-labor warranty. Email us or request service.
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