The basic takeaway from all of this is you need far less led lumens than metal halide or hps lumens.
Led bulb replacement for 400w metal halide.
Metal halides and light loss.
Metal halide bulbs are very bright out of the box but not so much even after only 6 months of use.
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Led light is directional.
L70 is an accurate estimate of the time it takes for a led to lose 30 of its initial lumens.
Fixtures designed for metal halide must be large enough to handle the heat generated.
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A metal halide bulb turned on for a few hours is far too hot to touch.
Before led lighting became the powerhouse that it is today the most common form of commercial lighting was metal halide lights.
Metal halide bulbs exhibit an end of life process called cycling.
Metal halide bulbs produce a tremendous amount of heat.
The light goes where needed.
With the impressive technology advances of led there are now lots of great options for 400 watt metal halide led replacement.
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The l70 rating of a led bulb is usually much higher than that of a metal halide lamp.
Leds fail over time by producing less light.
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Led lighting provides a long lasting.
Nowadays however metal halide lights are at best outdated.
Led light is high.
Converting from 400w metal halide to led.