The bispectral camera is used in the field and from aircraft to locate electrical corona and arcing. The ultraviolet light radiated from these sources is typically much easier and less expensive to see at a distance then the infrared. An infrared camera is unable to see electrical corona, which is the ionization of the air surrounding a high voltage component. The corona results in nitric acid, ozone, noise and ultraviolet light which can be seen by the bispectral cameras.

The light input takes two paths thru the camera, one path for the visible image and a second path thru the special ultraviolet (solar blind) filter and the UV is overlaid onto the visible for display or recording. The output images are at NTSC standard of 30 frames per second which is typically termed real-time. The specifications for the bispectral cameras are shown with camera pictures on the following web pages.

The bispectral camera image can be visible light video only, ultraviolet video only, or ultraviolet overlaid onto video. In the following video clips you will also see instantaneous corona count and integrated corona.

CoroCAM 4+ Corona Video:

You will need the Windows® Media Player to see these video clips.

Electrical Corona Images & Video Clips

T&D Corona Image Integrated Corona	T&D Corona Image Instantaneous Corona	T&D Corona Image Instantaneous Corona
T&D Corona Image Integrated Corona	T&D Corona Image Instantaneous Corona	T&D Corona Image Integrated Corona
T&D Corona Video Clip	T&D Corona Video Clip	T&D Corona Video Clip
T&D Corona Video Clip	T&D Corona Video Clip	T&D Corona Video Clip
T&D Corona Video Clip

Many Thanks to Roel Stolper of CSIR for the above CoroCAM 4+ video clips: Roel & CoroCAM 4+ in a Substation

For North American (U.S., Canada & Mexico) bispectral camera pricing, delivery, demonstration or availability for sale or rental or for Corona Technology Course info please call Specialized Camera at 1-888-322-9368 or contact us by Email at cameras@maqs.net

UV Links in our site

Specialized Camera Homepage	CSIR CoroCAM Homepage -Quality- ISO 9001 & ISO 14000	Corona Technology Course	Demo Equipment Sales	Request CoroCAM Information, Videotape or Demo	CoroCAM on Display, 2006 Show & Training Schedule	CoroCAM Training Schedule
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CoroCAM I Corona Camera	CoroCAM III Corona Camera	CoroCAM IV+ Daylight Corona Camera	CoroCAM 504 Daylight Corona Camera	MultiCam Daylight Corona & Infrared Camera Introduction	AirCam Daylight Corona Camera	CoroCAM-MultiCAM Options

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Last update: June 7, 2008