Description
Fluke 7103 Bath Calibrator Repair
The Fluke 7103 (Hart Scientific) is a calibration bath — a stirred liquid bath with refrigerated cooling that holds a fluid at a highly uniform, stable temperature across a wide range for immersion calibration of temperature sensors. Its precision depends on the heating/cooling system, the stirrer/circulation, the temperature control and reference sensor, and the bath tank, which is where service and calibration focus.
FlukeServiceCenter.com repairs and calibrates the Fluke 7103 for calibration laboratories, pharmaceutical process engineers, and metrology facilities.
Common Fluke 7103 problems we fix
- Compressor / refrigeration service — won’t reach low setpoints, the cooling system repaired.
- Heating-element replacement — won’t reach high setpoints, the heater replaced.
- Circulation-pump rebuild — poor circulation causing gradients, the pump rebuilt.
- Temperature-controller drift — the controller or reference sensor reading the wrong setpoint, recalibrated against standards.
- Display, interface, or power faults.
FAQs
My 7103 won’t reach or hold temperature — fixable? Yes. Heating/cooling, circulation, and control faults are repairable, then it’s recalibrated so bath temperature is accurate, stable, and uniform, 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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