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keywords: Ofil Solar Blind product UV systems EPRI-USA DayCor® corona ELOP Elbit Systems


UVollé-SX compact bi-spectral UV-Visible still pictures camera pinpoints, displays and shoots corona and arcing during daytime.

Enhanced features include:

  • wide WVGA sun readable LCD
  • light weight compact dimensions
  • high sensitivity to corona radiation
  • powerful zooming
  • extended run time battery
  • corona event counting
  • auto and manual focus
  • corona color control
  • stills recording
  • playback of the recorded media
  • Built-in powerful LED flashlight
  • GPS, temperature & humidity interface
  • RS232

Operation is simple: turn on - aim - shoot - store. The output is precise and reliable and contains the relative corona strength. UVollé provides immediate information in real-time of the asset condition and is recommended to be included in every predictive maintenance toolbox.

Light and Compact

Ergonomically designed for comfortable single hand operation. Carried by a padded shoulder strap. Turn on, aim, shoot and store video clips and still pictures.

Pinpoints Corona

The detected corona and arcing are displayed accurately in their original settings. Visible zoom and UV magnification boost detection instances.

UV Events Counter

Corona events are counted and displayed to designate the relative strength.

Built-in Image Shoot & Store

Grabs still digital pictures. Pictures are previewed and stored on a removable flash memory card. Pictures serve to document the findings for further data processing and reporting.

Rainbow Corona

Preferred corona color can be selected to accommodate for various scenes or match individual preferences.

Smart Power Management

A single Li-Ion rechargeable battery ensures more than 4 hours of operation

Full Solar Blind

Ofil's proprietary exclusive lenses and optical filters guarantee full solar blindness during daylight and clear imaging of the corona phenomenon.

Corona Magnification

Digital UV zoom magnifies corona events without affecting their original location and counting values.

Easy to Operate

Most frequently used functions have direct press buttons, while iconized on screen menu provides access to additional functions. The iconized menu is simple to understand and use.



  • Close-up Lens
  • Wide FOV Lens
  • coronaWise corona management software
  • Temperature & Relative Humidity Meter
  • GPS