Description
Fluke 5800A Oscilloscope Calibrator Repair
The Fluke 5800A is an oscilloscope calibrator — a benchtop standard that generates precise, fast-edge and leveled-sine signals, time markers, and reference amplitudes to calibrate oscilloscopes (vertical gain, timebase, bandwidth, trigger). Its precision lives in the fast-edge/leveled-sine output stages and the reference timing, which is where service and calibration focus.
FlukeMeterRepair.com repairs and calibrates the Fluke 5800A for calibration labs and scope-service centers.
Common Fluke 5800A problems we fix
- Output amplitude / timing accuracy faults — leveled-sine amplitude, edge speed, or marker timing out of spec, repaired and recalibrated against standards.
- Fast-edge / leveled-sine stage faults — the bandwidth or edge output not generating correctly, repaired.
- A function dead — an output path failed, repaired.
- Won’t communicate — the remote interface, repaired.
- Power-supply or display faults.
FAQs
My 5800A output is out of spec — fixable? Yes. Output-stage and timing faults are repairable, then every output is recalibrated against our standards so it calibrates oscilloscopes accurately, with a NIST-traceable certificate.
Are all outputs verified? Yes — amplitude, edge, and timing are 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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