Description
Fluke 373 Clamp Meter Repair and Calibration
The Fluke 373 is a true-RMS clamp meter — it clamps around a conductor to measure AC current and also measures AC/DC voltage and resistance for electrical troubleshooting. Its accuracy depends on the current-sensing jaw and the measurement circuitry, which is where service and calibration focus.
June Company repairs and calibrates the Fluke 373 for electricians and field technicians.
Common Fluke 373 problems we fix
- Current readings inaccurate — the current-sensing jaw or measurement circuit drifting, recalibrated against standards.
- Clamp jaw won’t read or is erratic — the sensing jaw mechanism or sensor, repaired.
- Voltage/resistance function faults — input or measurement-circuit faults, repaired.
- Display faults — missing or dim segments, repaired.
- Won’t power on — battery/power faults.
FAQs
My 373 current readings are off — fixable? Yes. The sensing jaw and measurement circuit are repairable and recalibrated, then verified so current, voltage, and resistance read accurately, with a NIST-traceable certificate.
Do you calibrate all functions? Yes — each function is checked against our 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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