Description
Fluke 6109A-156 Calibration Bath Repair
The Fluke 6109A (Hart Scientific) is a portable calibration bath — it heats and stirs a liquid bath to precise, uniform, stable temperatures to calibrate temperature sensors, including odd-shaped and multiple probes, in the lab and field. Its precision depends on the heater, the stirring system, the temperature control and reference, and the bath fluid handling, which is where service focuses.
June Company repairs and calibrates the Fluke 6109A for temperature-calibration labs and pharma/process teams.
Common Fluke 6109A problems we fix
- Heater / temperature faults — won’t reach or hold the setpoint, the heater and control 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.
- Display, leak, or interface faults.
FAQs
My 6109A 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 submit a service request.








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