Description
Fluke 754 Process Calibrator Repair
The Fluke 754 is a process calibrator – it sources and measures the signals a plant’s instrumentation runs on: milliamp loops, voltage, RTDs, thermocouples, frequency and pressure through external modules. It is several instruments in one case, so faults are usually confined to one function.
The Fluke 754 is repaired at June Company by technicians who work on this class of instrument daily, for process instrument technicians, plant calibration teams, refinery maintenance crews, and field service engineers. Every instrument is repaired at component level and verified against reference standards before it ships back, with the measured results documented.
Common Fluke 754 problems we fix
- Battery, charging or power faults.
- mA source or measure out of tolerance – the function these instruments are used for most, and the first place drift shows.
- One function failing while the others work.
- Thermocouple or RTD readings inaccurate.
- HART communication faults – the instrument no longer talking to the transmitter, which is separate from any measurement problem.
- Pressure module not recognised – frequently the interface in the calibrator rather than a failed module.
- 24V loop supply not driving a transmitter.
- Display, keypad or interface faults.
FAQs
Do you service instruments past manufacturer support? Yes. Much of what we repair is out of support, which is exactly where component-level work earns its keep.
My pressure module is not recognised. Module or calibrator? We test both. It is more often the interface in the calibrator, and swapping modules is how that gets misdiagnosed.
Every repair carries a 90-day parts-and-labor warranty, with a firm quote before any work begins. Email us or submit a service request.





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