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Ofil DayCor® Uvollé-VC Compact Corona Camera

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The Ofil DayCor® Uvollé-VC Compact Corona Camera includes audio and video recording capabilities in addition to all the features and functions found on the Ofil Daycor® Uvollé-SC Compact Corona Camera. Like the Oil DayCor® Uvollé-SC Compact Corona Camera, the Ofil DayCor® Uvollé-VC can be used to locate and identify mechanical and electrical faults via detecting partial discharge. It is suitable for performing routine maintenance checks on high and medium voltage equipment such as:

  • Insulators
  • Bushings
  • Motors
  • Generators
  • Transformers
  • Switchgear

This versatility of application makes it a suitable for use across the following industry sectors:

  • Mining
  • Petroleum
  • Data Centres
  • Heavy Industry
  • Electrical
  • Utilities
  • Workshops

The Ofil DayCor® Uvollé-VC Compact Corona Camera can be used continuously without overheating and includes a battery that provides power for upwards of four hours. It is an efficient, compact and ergonomic instrument that may be operated using a single hand and features a simple yet intuitive interface. The user may use this interface to adjust the default operation settings to suit his/her preferences. The Ofil DayCor® Uvollé-VC also includes an interface for GPS, temperature and humidity.

The interface is viewable on the Ofil DayCor® Uvollé-VC's 4.3-inch, reflective, LCD screen with a 600 nits backlight. The design of this display ensures that the user is able to view the content in all light conditions. Images and videos taken using the Ofil DayCor® Uvollé-VC Compact Corona Camera can be viewed in vivid colour and sharp definition on this display. They can also be saved, with audio notes, to the removable flash card for consultation/ playback at a later time.

The ability to record and playback videos and images with audio notes is particularly helpful for users wishing to create reports. Another feature present on the Ofil DayCor® Uvollé-VC Compact Corona Camera which is well-suited to creating reports is the UV events counter which indicates the intensity of detected corona numerically. This feature counts the number of UV events within a given time period to determine corona intensity.

This feature, combined with the Ofil DayCor® Uvollé-VC Compact Corona Camera’s UV and visible channels, facilitates the clear and precise detection and location of corona and arcing. It includes patented DayCor® technology which provides complete solar-blindness and increased sensitivity to UV. The UV and visible channels can be overlaid to an accuracy of 1 milliradian, allowing for greater clarity and therefore more precision in pinpointing the emitting source.  Clarity and precision are further improved with the inclusion of a visible zoom and UV magnification, as well as an auto and manual focus. Moreover, the camera present on this model has been independently verified in order to ensure that it is of a suitable quality.

The Ofil DayCor® Uvollé-VC Compact Corona Camera can be used to detect corona and arcing in a multitude of environments due to its dust and water resistant design (IP54) and the inclusion of a built-in LED torch with two brightness settings.  This torch makes it possible for the user to work in the dark without affecting the corona count. Finally, this instrument can be easily carried across or between worksites using a padded shoulder strap.

The Ofil DayCor® Uvollé-VC Compact Corona Camera is ideal for quickly, comprehensively and accurately identifying partial discharge in order to locate and determine electrical and/or mechanical faults.

Ofil DayCor® Uvollé-VC Compact Corona Camera Key Features

  • Includes all the same features as the Ofil DayCor® Uvollé-SC Compact Corona Camera as well as audio and video recording capabilities
  • Locate and identify electrical and/or mechanical faults via the detection of partial discharge
  • Can be used on medium and high voltage apparatus
  • Can be used continuously without overheating
  • Battery provides power for upwards of four hours
  • Simple and intuitive interface
  • User adjustable default settings
  • GPS, temperature and humidity interface
  • 4.3”, reflective, LCD display with 600 nits backlight
  • Videos and images can be saved with audible notes
  • Save aforementioned media to removable flash card
  • Playback of videos, images and audio
  • UV event counter indicates the intensity of the detected corona
  • Visible and UV channels
  • Patented DayCor® technology provides solar-blindness and increased sensitivity to UV
  • UV images and visible images can be overlaid to an accuracy of 1 milliradian
  • Visible zoom
  • UV magnification
  • Camera sensitivity has been independently verified
  • IP54
  • Integrated LED torch with two brightness settings
  • Can be carried using padded shoulder strap
  • Can detect corona and arcing

What’s Included?

  • Ofil Daycor® Uvollé-VC Compact Corona Camera
  • Close-up Lens
  • Wide FOV Lens
  • Coronal Base Reporting Software
  • Temperature and Relative Humidity Meters
  • GPS
  • Inspection Guide
Part Code80700

Ofil DayCor® Uvollé-VC Compact Corona Camera Technical Specifications and Comparison Table

Specification Specification Details Present on the SC (X) Present on the VC (X)
UV-Optical Properties 
Minimum Discharge Detection 1 pC @ 10m (real test by RWE certified: DIN EN 60270 (VDE 0340):2001-08) X X
Minimum RIV Sensitivity 3.6 dBμV @ 1MHz (real test by RWE certified: NEMA 107-1987) X X
Minimum UV Detection 3x10-18watt/cm2 X X
Spectral Range 240-280nm X X
Detector Life Span No degradation X X
UV Frames Integration On | Off X X
Visible-Optical Properties
Minimum Visible Light Sensitivity 0.1 Lux X X
Spectral Range Visible range, Full colour X X
Zoom 10x Optical, 12x Digital X X
Imaging Performance 
Field of View (HxV)

6.4ºx 4.8º

Focus Full manual and autofocus for UV and visible channels X X
Focus Range 1.5m | 4.9ft - infinity (0.5m | 1.6ft with close up lens) X X
UV Zoom 3 steps X X
Image Modes Visible/UV/Combine X X
UV/Visible Overlay Accuracy Deviation < 1 miliradian  X X
Display Transflective sun proof colour LCD 4.3” (800X480 pixels) X X
Status Indicators

Battery, Memory, Gain, Counting, Date, Selected functions, Focus, 
Inspection mode , corona color, GPS (access.), Temp & Humidity(access.)

User Configuration Settings

Corona colour (White, Red, Green, Yellow, Purple ) Time, Sleep Mode, LI, LCD 

Control and Operation
Working Modes Real time, standby, off X X
Continuous Operation Unlimited. No overheating X X
Control Inputs Keypad and hot keys X X
Mounting Point Standard 1/4” thread tripod mount X X
Torch Built-in, LED, 2 steps X X
Media Capture and Storage
Video Capture X
Stills Capture X X
Digital Storage Removable SD card X X
Video Format AVI X
Stills Format BMP X X
Audio External Microphone X
Playback X Still Pictures X Video and Still Pictures
Output Interface
Video Out (NTSC), GPS, TRH Standard X X
Power Supply
Battery type Li-Ion X X
Battery Run Time 7 hours X X
External Supply DC 7V X X
Nominal Power Consumption 6.5-10.5VDC, 10 Watts X X
Interface RS232 X X
Physical Characteristics
Size (LxWxH) 29x12x8.5 cm | 11.4”x4.7”x3.3” X X
Weight 1.39Kg | 3lb X X
Operating & Storage Temp Range -20ºC up to +55ºC | -4ºF up to +131ºF X X
Encapsulation IP54, Certified X X

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