Description
Fluke 1738 Power Logger Repair
The Fluke 1738 is a three-phase power quality logger — it records voltage, current, power, energy, and power-quality events (sags, swells, harmonics) over time for energy studies and PQ investigations, using clamp-style current probes. 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 1738 for energy auditors, PQ consultants, and facility engineers.
Common Fluke 1738 problems we fix
- Current-input or probe channel faults — a channel not reading from the flex/clamp probe input, repaired so all phases log correctly.
- Voltage/current readings out of spec — measurement-circuit drift, recalibrated against standards.
- Won’t log or store data — memory or recording faults, restored.
- Won’t power on / charge — power-supply or battery faults.
- Won’t connect to software — interface faults.
FAQs
One phase isn’t logging — fixable? Yes. Input-channel faults are repairable, then all voltage and current inputs are recalibrated so your power and PQ data are accurate, with a NIST-traceable certificate.
Are the current probes verified? Yes — the measurement 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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