Lux meter is the measuring device to measure the lux level of lighting fixture

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

Question Posted / rakesh parmar

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