Description
Fluke 971 Temperature Humidity Meter Repair
The Fluke 971 is a handheld temperature and humidity meter — it measures relative humidity, air temperature, and dew point/wet-bulb for HVAC, IAQ, and building diagnostics. Its accuracy depends on the humidity and temperature sensors and the measurement electronics, which is where repair and calibration focus.
FlukeMeterRepair.com repairs and calibrates the Fluke 971 for HVAC, indoor-air-quality, and facility technicians.
Common Fluke 971 problems we fix
- Controller-board faults — the measurement/processing board not reading correctly, repaired.
- Humidity-sensor / seal degradation — a contaminated or aged humidity sensor giving inaccurate readings, replaced and recalibrated against standards.
- Temperature / dew-point measurement drift — readings out of spec, recalibrated.
- Display or interface faults — repaired.
- Battery faults.
FAQs
My 971 reads humidity or temperature wrong — fixable? Yes. Sensor and board faults are repairable, then the meter is recalibrated so readings are accurate, with a NIST-traceable certificate.
Are the readings verified? Yes — checked 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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