Description
Fluke 99B ScopeMeter Repair
The Fluke 99B is a rugged isolated handheld ScopeMeter — an older-generation 100 MHz scope-plus-multimeter built for industrial field troubleshooting, including bus-health and trend-recording work. As a field-carried instrument, its faults concentrate in the isolated input front-ends, the display, and the battery/power section — that’s where years of field use show up.
FlukeMeterRepair.com repairs and calibrates the Fluke 99B for industrial electricians, automation technicians, and field-service teams.
Common Fluke 99B problems we fix
- A channel dead, noisy, or inaccurate — isolated front-end damage from an over-range input, repaired and recalibrated.
- Bus-health / trend-recording faults — those measurement or recording functions not working, repaired.
- Display failure — blank, dim, or cracked LCD, repaired.
- Won’t power on or hold a charge — the aging battery pack and power section, serviced.
- Input or connector faults.
FAQs
It’s an older 99B — still worth repairing? Yes. These are rugged and serviceable; isolated-input and display faults are repairable, then the inputs are recalibrated so measurements are accurate, with a NIST-traceable certificate.
Are the inputs recalibrated? Yes — channels are checked against our standards.
Every repair includes NIST-traceable calibration and a 90-day parts-and-labor warranty. Email us or request service.




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