Description
Fluke 43B Power Quality Analyzer Repair
The Fluke 43B is a single-phase power quality analyzer — a handheld that combines power and harmonics measurement with a scope and meter for troubleshooting single-phase power-quality and equipment problems in the field. Its accuracy depends on the voltage and current measurement inputs, so that’s where service and calibration focus.
June Company repairs and calibrates the Fluke 43B for power-quality engineers, plant managers, and field technicians.
Common Fluke 43B problems we fix
- Current-input or probe channel faults — the current input not reading from its probe, repaired.
- Voltage/current readings out of spec — measurement-circuit drift, recalibrated against standards.
- Harmonics / power measurement off — the analysis circuitry, restored.
- Won’t power on or hold a charge — battery and power faults.
- Display or input faults.
FAQs
My 43B power or harmonics readings are off — fixable? Yes. Input and measurement faults are repairable, then recalibrated so power, harmonics, and PQ measurements are accurate, with a NIST-traceable certificate.
Are the inputs verified? Yes — voltage and current inputs are 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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