Description
Fluke 190-504-III ScopeMeter Repair
The Fluke 190-504-III is a 500 MHz four-channel handheld ScopeMeter (190 Series III), the flagship of the line, with fully isolated inputs for safe floating measurements in demanding industrial and field troubleshooting. Its faults concentrate in the isolated input front-ends, the display, and the battery/power section.
FlukeServiceCenter.com repairs and calibrates the Fluke 190-504-III for industrial electricians, automation technicians, and field-service engineers.
Common Fluke 190-504-III problems we fix
- Input-channel restoration — a dead, noisy, or inaccurate channel from isolated front-end damage, repaired and recalibrated.
- Isolated-input breakdown — damage to the floating input isolation, repaired.
- Trigger-system faults — unstable or wrong triggering, corrected.
- Display failure — blank, dim, or cracked display, repaired.
- Won’t power on or hold a charge — battery and power faults, serviced.
FAQs
A channel on my 190-504-III is off — fixable? Yes. Isolated-input and trigger faults are repairable, then each of the four channels is recalibrated so measurements are accurate, with a NIST-traceable certificate.
Are the inputs recalibrated? Yes — each of the four channels is checked against our standards.
Every repair includes NIST-traceable calibration and a 90-day parts-and-labor warranty. Email us or request service.





Reviews
There are no reviews yet.