This is a picture of our camera installed in a Co-Generatiom Power Plant using Hog Fuel (Bio-Mass) fuel. It is installed on a mounting plate looking down on the grate.

An air purge keeps the camera cool. Also an automatic retract can be furnished to back the camera out of the hot zone in case of air failure.
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Our air filter system is highly recommended to insure clean air. This is required to keep the lens clean. Also the filter bowls is the source of air that retracts the camera in case of failure.