FiberChek™ Probe Microscope

The essential fiber tool for every technician!

The FiberChek probe builds on industry-leading Viavi expertise in fiber inspection to deliver an all-in-one handheld for technicians at every skill level.

Meeting all fiberinspection needs with built-in image viewing, auto-focus, pass/fail analysis, and result storage and recall, the FiberChek probe completely automates inspection workflows to ensure fast and accurate performance.

Used alone or connected to other devices (WiFi, Bluetooth, USB), the FiberChek probe is the essential fiber tool for every technician.

FiberChek™ Probe Microscope - The essential fiber tool for every technician! image

With FiberChek, technicians get a complete fiber-inspection solution in the palm of their hand. There is no need to connect to other devices to inspect, test, or store. All of those capabilities, and more, are already built into the FiberChek probe:

  • An integrated touch-screen display shows live images and analysis results with easy navigation.
  • With automated end-face analysis built-in, FiberChek lets technicians test and certify to industry standards at the push of a button.
  • Easily navigate and select your desired acceptance criteria including IEC-61300-3-35 standards or customer-specific requirements.
  • Store, name, and recall test results directly on the instrument.


  • Integrated touch screen with live fiber viewing
  • Auto-center
  • Auto-focus
  • Built-in fiber end-face analysis
  • User-selectable acceptance profiles
  • Stores results on device or exports
  • Connects via Bluetooth, WiFi, and USB


  • Achieve fully autonomous inspection with an all-in-one solution
  • Automate inspection workflows
  • Ensure accurate and fast test performance
  • Easily access connections anywhere
  • Connect with other Viavi instruments and mobile devices