Description
Fluke 5540A Multi-Product Calibrator Repair
The Fluke 5540A is a multi-product calibrator that sources precise DC/AC voltage and current, resistance, and more to calibrate DMMs and other workload instruments in calibration labs and manufacturing. Its precision lives in the multiple precision source circuits and the internal reference, which is where service and calibration focus.
FlukeMeterRepair.com repairs and calibrates the Fluke 5540A for calibration labs, repair centers, and manufacturing QA.
Common Fluke 5540A problems we fix
- Output accuracy out of spec — a sourced function (voltage, current, resistance) drifting, repaired and recalibrated against reference standards.
- Output-stage / amplifier faults — a function not sourcing or distorting, repaired.
- A function dead — a source path failed, repaired.
- Won’t communicate — the remote interface, repaired.
- Power-supply or display faults.
FAQs
My 5540A output is out of spec — fixable? Yes. Source and amplifier faults are repairable, then every output is recalibrated against our reference standards so it calibrates your workload accurately, with a NIST-traceable certificate.
Are all outputs verified? Yes — each function 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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