We are developing a piece of industrial equipment using laser energy. The indicator lamp we use can be yellow, green or red for the "laser on" indication. The laser is behind a protection shield and is in the infrared spectrum range so you can not see it, but you are safe. We need to find out what color does CE specify for this indicator when the lasers are on?
Answer:
I have read several (German) publications regarding the design and use of laser equipment, but I did not come across a definition of the colour for any warning lights.
What is does say is that your User Manual must clearly point out what the indications (warnings) are for "Laser is ON".
I would just use something globally common, a green LED for "Power ON', and a red - blinking LED for "Laser ON".
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