Description
Fluke 729-150G Pressure Calibrator Repair
The Fluke 729-150G is an automatic pressure calibrator: it pumps to a target pressure and then fine-adjusts itself to hold that setpoint, running a full calibration sequence with minimal operator input, and documents the results. The automation is the value – and the internal pump, the control valve and the closed-loop electronics that deliver it are what need service. At 150 psi it covers the middle of most plant work, where it sees the widest variety of connections and therefore the most wear on ports and fittings.
June Company repairs and calibrates the Fluke 729-150G for process calibration teams, plant instrument departments, and documenting calibration programs. Every instrument is repaired at component level and verified against reference standards before it ships back, with the measured results documented.
Common Fluke 729-150G problems we fix
- Will not reach or hold setpoint automatically – the closed-loop control – pump, valve and electronics diagnosed together.
- Internal pump weak or not running – the electric pump assembly, rebuilt or repaired.
- Pressure decays during a test – leaks in the manifold or seals, which defeat automatic hold entirely.
- Sensor drifted out of tolerance – corrected and verified against reference standards.
- HART communication faults – the instrument no longer talking to the transmitter.
- Documentation or data transfer failures.
- Display and battery faults.
FAQs
Is HART communication repairable separately? Yes. HART faults are usually isolated to the communication circuit and do not mean the calibrator itself is failing.
What if it turns out not to be worth repairing? We tell you that in the quote. The evaluation costs nothing and there is no obligation to proceed.
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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