Description
Fluke 712 RTD Temperature Calibrator Repair
The Fluke 712 is an RTD temperature calibrator — a handheld instrument that measures and sources/simulates RTD signals (and reads a built-in mA input) to calibrate RTD temperature transmitters and instruments. Its accuracy depends on the RTD measure-and-source front-end, the reference, and the measurement electronics, which is where service and calibration focus.
FlukeMeterRepair.com repairs and calibrates the Fluke 712 for process-instrument and temperature-calibration technicians.
Common Fluke 712 problems we fix
- Reference-junction recalibration — the reference reading the wrong temperature, recalibrated against standards.
- Source-circuit repair — the RTD simulate/source not outputting correctly, repaired.
- RTD measurement out of spec — the measure function drifting, recalibrated.
- A function dead — an input/output path failed, often after a miswire, repaired.
- Display or battery faults.
FAQs
My 712 RTD reading or source is off — fixable? Yes. Reference and source/measure faults are repairable, then the calibrator is recalibrated so RTD functions are accurate, with a NIST-traceable certificate.
Are the functions verified? Yes — source and measure 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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