Description
Fluke 726 Process Calibrator Repair
The Fluke 726 is a precision multifunction process calibrator — a handheld instrument that sources and measures process signals (mA, voltage, RTD, thermocouple, frequency, and pressure with a module), with HART support, to calibrate process transmitters and instruments. Its faults concentrate in the source/measure front-ends, the input protection, the internal reference, and the interface electronics.
FlukeMeterRepair.com repairs and calibrates the Fluke 726 for process-instrument and commissioning teams.
Common Fluke 726 problems we fix
- Input-protection failures — protection damaged after an over-range input or miswire, repaired.
- Source/measure out of spec — a process function (mA, RTD, T/C, V) drifting, recalibrated against standards.
- A function dead — an input/output path failed, repaired.
- Pressure-module / HART interface faults — the module input or HART comms not working, repaired.
- Display or battery faults.
FAQs
My 726 has a dead function after a miswire — fixable? Yes. Input-protection and front-end faults are repairable, then every function is recalibrated against our standards so the transmitters you calibrate are trustworthy, with a NIST-traceable certificate.
Are all functions verified? Yes — each source/measure 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.





Mike Wilson –
I have a couple Fluke process calibrators, and our Fluke 726 began to read very erratic readings on voltage and ohms. June Company did a great job with the repair and calibration process, getting the meter back to us within a week.