Description
Fluke 120B Industrial ScopeMeter Repair
The Fluke 120B is an industrial handheld ScopeMeter – an oscilloscope, multimeter and recorder in one sealed body, built for plant-floor troubleshooting rather than bench work.
Is your Fluke 120B worth repairing?
Several thousand dollars to replace, and the faults that take them out of service are rarely the expensive parts. Input front-ends, displays and batteries are all component-level repairs. Our answer for the Fluke 120B: Almost always worth repairing. We evaluate free of charge and quote before any work begins, and if the numbers do not favour repair we say so rather than quoting anyway.
What typically fails on the Fluke 120B
- Input front-end damage – usually one over-range connection.
- Display dimming or banding.
- Battery no longer holding a shift.
- Trigger circuit faults.
- Keypad wear.
- Range-switching relay faults.
What you get back
Component-level repair rather than assembly swapping, verification against reference standards with the measured results documented, and a 90-day parts-and-labor warranty. Most instruments are back with you inside 5-10 business days.
Fluke Service Center works on Fluke instruments only. Send it in for a free evaluation, or email us with the model and the symptom and we will tell you what to expect before you ship anything.






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