Description
Fluke 9150 Thermocouple Furnace Repair
The Fluke 9150 (Hart Scientific) is a thermocouple furnace — a compact high-temperature furnace (to ~1500 °C) that heats a uniform zone to calibrate thermocouples. Its precision depends on the heating system, the temperature control and reference sensor, and the furnace insert, which is where service and calibration focus.
FlukeServiceCenter.com repairs and calibrates the Fluke 9150 for temperature-calibration labs, pharmaceutical-validation teams, and metrology departments.
Common Fluke 9150 problems we fix
- Seal / insulation degradation — degraded high-temperature seals or insulation, serviced.
- Heating-system faults — won’t reach the setpoint, the heater repaired and recalibrated against standards.
- Temperature-controller drift — the controller or reference reading wrong, recalibrated.
- Insert / well faults — a worn or damaged furnace insert, addressed.
- Stability faults — temperature not holding stable, the control loop corrected.
FAQs
My 9150 won’t reach or hold temperature — fixable? Yes. Heating and control faults are repairable, then it’s recalibrated so furnace temperature is accurate and stable, with a NIST-traceable certificate.
Is stability verified? Yes — temperature and stability 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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