The first course of action is to simply change the bulb.
What is a high pressure sodium light bulb.
We also offer special conversion metal halide bulbs that can be used with fixtures intended for high pressure sodium light bulbs.
Low pressure and high pressure low pressure sodium lamps are highly efficient electrical light sources but their yellow light restricts applications to outdoor lighting such as street lamps where they are widely used.
A high pressure sodium hps light is a type of growth light that is commonly used for indoor gardening.
Check the porcelain holder for any signs of deep cracks or breaks.
The most common problem with a high pressure sodium light is the bulb.
Philips 50 watt bd17 hid ceramalux high pressure sodium light bulb model 460840 21 97 21 97.
Sunlite 35 watt ed17 high pressure sodium bulb medium base e26 2250 lumens clear hid light bulb 2 pack model hd02497 2 21 50 21 50.
A metal halide bulb produces about 65 110 lumens of light per watt while a high pressure sodium bulb produces about 96 150 lumens of light per watt.
Two varieties of such lamps exist.
This particular light stimulates plant growth by diffusing the portion of the electromagnetic spectrum that is ideal for the whole process of photosynthesis.
If the tube is black the bulb is definitely burned out.
A high pressure sodium bulb produces light that is reddish yellow while metal halide bulbs produce a much more balanced white light that has more of the visual spectrum.
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