Lux meter is the measuring device to measure the lux level
of lighting fixture. in industrial sector two types of
lighting fixture is being used as street lighting purpose
1. HPSV (Sodium) and 2. HPMV (Mercury). HPMV having white
light which is an combination of red, blue and yellow
colour, while HPSV haivng Yellow lighting. in HPSV red &
blue colour will be absent. during measurement of the lux
level of HPSV and HPMV fixture. 1. Lux meter can measure
the actual lux level of both fixture? 2. or it will show
false reading for HPSV fixture light as it has only yellow
light present. please give me answer
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