Description
Fluke 9103 Dry-Well Calibrator Repair
The Fluke 9103 (Hart Scientific) is a compact dry-well temperature calibrator — it heats and cools a precision insert block to stable, accurate sub-ambient-to-moderate temperatures to calibrate temperature sensors in the lab and field. Its precision depends on the heating/cooling (Peltier) system, the temperature control and reference sensor, and the insert/block, which is where service focuses.
FlukeMeterRepair.com repairs and calibrates the Fluke 9103 for calibration labs and metrology teams.
Common Fluke 9103 problems we fix
- Heating/cooling (Peltier) faults — won’t reach or hold the setpoint temperature, the Peltier/cooling system repaired.
- Controller / reference drift — the controller or reference sensor reading the wrong setpoint, recalibrated against standards.
- Stability or uniformity out of spec — control-loop faults, corrected.
- Insert / block faults — a worn or damaged insert bore, addressed.
- Display or interface faults.
FAQs
My 9103 won’t reach or hold temperature — fixable? Yes. Cooling and controller faults are repairable, then the control is recalibrated so block temperature is accurate and stable, with a NIST-traceable certificate.
Is stability verified? Yes — verified against our reference standards.
Every repair includes NIST-traceable calibration and a 90-day parts-and-labor warranty. Email us or request service.





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