Description
Fluke 771 Milliamp Process Clamp Meter Repair and Calibration
The Fluke 771 is a milliamp process clamp meter — it measures 4–20 mA signals without breaking the loop by clamping around the conductor, for troubleshooting process control loops. Its precision lives in the mA current-sensing clamp and measurement circuit, which is where service and calibration focus.
June Company repairs and calibrates the Fluke 771 for instrument-calibration and process technicians.
Common Fluke 771 problems we fix
- mA measurement out of spec — the milliamp clamp or measurement circuit drifting, recalibrated against standards.
- Clamp jaw won’t read or is erratic — the sensing jaw mechanism or sensor, repaired.
- Readings unstable — measurement-circuit faults, repaired.
- Display faults — missing or dim segments, repaired.
- Won’t power on — battery/power faults.
FAQs
My 771 mA readings are off — fixable? Yes. The milliamp clamp and measurement circuit are repairable and recalibrated, then verified so 4–20 mA readings are accurate, with a NIST-traceable certificate.
Is it recalibrated for accreditation? Yes — checked against our reference standards with documented results.
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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