Photobiological safety of lamps and lamp systems - Image projectors not-eligible What is BS EN 648

What is BS EN 648 about – Fastness of fluorescent paper

piles and poles directly embedded in the ground

filling moulds

including rail grinding operations

multiple frequency network and single frequency network

Photobiological safety of lamps and lamp systems - Image projectors not-eligible What is BS EN 6481 Scope This part of IEC 62471 provides requirements regarding photobiological safety of the optical radiation emitted by image projectors. This part of IEC 62471 does not deal with other hazards such as electrical, mechanical or fire hazards. This part of IEC 62471 provides requirements regarding: optical radiation safety assessment of image projectors; projector risk groups; testing conditions and measurement conditions; manufacturers requirements