Description
Fluke 6109A-156 Calibration Bath Repair
The Fluke 6109A-156 (Hart Scientific) is a portable calibration bath (156-fluid configuration) — it heats and stirs a liquid bath to precise, uniform, stable high temperatures to calibrate temperature sensors, for pharma, food-safety, and metrology labs. Its precision depends on the heater, the stirring system, the temperature control and reference, and the bath-fluid handling, which is where service focuses.
FlukeMeterRepair.com repairs and calibrates the Fluke 6109A-156 for temperature-calibration, pharma, and food-safety labs.
Common Fluke 6109A-156 problems we fix
- Heater faults — won’t reach the setpoint, the heater repaired.
- Stirrer faults — poor uniformity from a failing stirrer, 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.
- Leak or interface faults.
FAQs
My 6109A-156 won’t hold temperature or stir evenly — fixable? Yes. Heater, stirrer, 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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