Description
Fluke 9140 Metrology Well Repair
The Fluke 9140 (Hart Scientific) is a dry-well temperature calibrator that heats a precision insert block to high temperatures with good uniformity for calibrating temperature sensors. Its precision depends on the heating/cooling system, the temperature control and reference sensor, and the insert/dry block, which is where service and calibration focus.
FlukeServiceCenter.com repairs and calibrates the Fluke 9140 for temperature-calibration labs, pharmaceutical-validation teams, and metrology departments.
Common Fluke 9140 problems we fix
- Stirrer-motor failure — the bath/well stirrer not circulating, the motor repaired or replaced.
- Heating/cooling faults — won’t reach or hold the setpoint, repaired.
- Uniformity / stability faults — temperature gradients out of spec, the control loop corrected.
- Temperature-controller drift — the controller or reference sensor reading the wrong setpoint, recalibrated against standards.
- Display, interface, or power faults.
FAQs
My 9140 won’t reach or hold temperature — fixable? Yes. Heating/cooling and control faults are repairable, then it’s recalibrated so block temperature is accurate and stable, with a NIST-traceable certificate.
Is stability verified? Yes — stability and uniformity are verified 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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