If you are considering updating your current lighting to LED, it’s probably because you have seen the lighting on the wall.The US Department of Energy has projected that 84% of the lighting market share will be taken by LED lighting by 2030. Your HPS (High Pressure Sodium) lamp has a ballast made of a hefty transformer, capacitor and "ignitor circuit". Second. If staring at the HPS lights for a few seconds, in a close proximity, it could cause permanent damages to eyes, like bleaching retina. 1955 Finally, 35 years after Compton invented the sodium lamp an ideal material was discovered for making an HPS lamp. Needless to say, you don't want to put any other kind of bulb there. It is popular used as street light for its efficient brightness. HPS is the short term of high pressure sodium. High pressure sodium bulbs ("lamps") are an old standby for lighting that's still used today in spite of so much talk of LED lights. The high-pressure sodium lights produce similar heat. Imagine a 1,000-watt heater in your room during a cold winter night. There are instructions and a schematic to tell you how to do it, but they can be a little daunting if you're not familiar with them. There are many reasons to update current high-pressure sodium lamps to LED, but staying safe is often overlooked. Additionally, HPS systems are modular, so if any one part in the system fails (like a bulb) you can replace it without having to pay for a completely new lighting system. So if you could avoid, you should not to look straightly at these bulbs. Limits for allowable voltage rise due to fixture effect are listed in High Pressure Sodium Engineering Bulletins. High pressure sodium continued If water is the culprit, why then the center light stays eluminated and the left and right mounted lights from center are the only lights turning off and on. Update: is not in a photo cell, just in a clock, Answer Save. Add the old lamp in an additional lamp. 3. If the innovative High Pressure Sodium bulb operates the same way because old one particular, the problem could possibly be in the bulb rather than within the bulb. High Pressure Sodium Bulb has Short Life or otherwsie is Not Quite Right: You can have the right wattage but still have the wrong bulb for the ballast. The HPS grow light heat is radiant and directed straight onto your plants. Even a higher end HPS system with a name-brand ballast will cost considerably less than an LED grow light of equivalent wattage. light fixture high pressure sodium, I've change 3 different light bulbs, but non of them comes on, tester sounds that has power. The problem was that there was no material that could stand the high pressure, high temperature, and corrosive properties of sodium. In fact, they're roughly as efficient as LEDs in terms of their light output for each watt of energy used. T his is how you know it’s high time you go to the local store and get a new bulb. high pressure sodium light fixture troubleshooting, has power but light bulb doesn't come on? I will still blow the water out of the conduit and try this but don't comprehend the center light without malfunction if water being the culprit. High Pressure Sodium grow lights are dirt cheap! When the old lamp acts identically in one more lamp, the problem should be inside the bulb. While upgrading to LED provides a lot of benefits, high pressure sodium (HPS) lamps still provide some of the most efficient lighting available. It emits a lot of heat at the same time. Switch the suspect light with a new 1. Yes, the HPS light is bad for eyes. Reflector Problem: Reflector design may refocus radiant energy directly on the arc tube or other parts of the lamp causing overheating. 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