Description
Fluke 7103 Calibration Bath Repair
The Fluke 7103 (Hart Scientific) is a precision calibration bath — it heats/cools and stirs a liquid bath to precise, uniform, stable temperatures to calibrate temperature sensors, including odd-shaped and multiple probes. Its precision depends on the heater, the stirring system, the temperature control and reference, the insulation, and the fluid handling, which is where service focuses.
FlukeMeterRepair.com repairs and calibrates the Fluke 7103 for temperature-calibration labs.
Common Fluke 7103 problems we fix
- Fluid leaks — leaks in the bath vessel or fittings, repaired.
- Insulation degradation — poor stability or heat loss from degraded insulation, repaired.
- Heater / stirrer faults — won’t reach setpoint or stir evenly, repaired.
- Controller / reference drift — the controller or reference sensor reading the wrong setpoint, recalibrated against standards.
- Interface faults.
FAQs
My 7103 is leaking or won’t hold temperature — fixable? Yes. Leak, heater, and controller faults are repairable, then the bath is recalibrated so temperature is accurate, stable, and uniform, with a NIST-traceable certificate.
Is uniformity verified? Yes — stability and uniformity are checked 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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