RISK ENGINEERING GUIDELINE - .GLOBAL
2017-8-8 · Note: The use of a telephoto lens is purposeful so that even small objects (e. g. series terminals) can be inspected. Wide-angle lenses are not required for qualified electro-thermography. 17 Power supply Mains-independent (battery powered) sufficient for a minimum use period of 2 hours Dust deposits resulting in increased thermal load.
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