How Many Lumens Is A 250 Watt Metal Halide Lamp

Metal haliod and high pressure sodium.
How many lumens is a 250 watt metal halide lamp. These bulbs produce a high lumen output for bright light in commercial settings like street lights parking lots or warehouses. What is hard to cross in is that metal halides actually start out at very high efficiencies. Please note that metal halide lamps cannot be operated without a ballast. φ v lm p w η lm w watts to lumens calculation.
Most large fixtures use metal halide bulbs. A type of high intensity discharge hid lamp this light is typically used in high bay lighting fixtures in warehouses parking lots and hangars because of their high lumen output. 23 250 lumens 150 watts 155 lumens watt. Long life up to 20 000 hours for 360 and 400 watt lamps.
How many lumens does a 1000 watt metal halide produce. Remember the golden rule. Yet these bulbs are rated for 20 000 hours. Almost double of metal halide.
So calculating lumen efficiency for metal halide. A new metal halide bulb can get almost 100 lumens to watt. A 400 watt mercury vapor light bulb produces roughly 23 000 lumens. It is not uncommon for metal halide and high pressure sodium bulbs to have lost up to 50 of its initial lumens after only 5000 hours of life.
In comparison to a 400 watt metal haloid and or high pressure sodium not as good. The 950 watt supersaver lamp is a direct retrofit for existing 1000 watt products. The metal halide lamp is a third generation made of various metal halides based on a high pressure mercury lamp. Up to 100 lumens per watt.
Commonly a 250watt 400 watt or 1000 watt. These 250 watt metal halide bulbs come in horizontal base up and universal burn operations to give you plenty of application options. 36 000 lumens 455 watts 79 12 lumens watt. The metal halide lamp is an ac power source that produces an arc discharge luminous discharge lamp in a mixed vapor of mercury and a rare metal halide.
250 400 and 1000 watt. 1000w metal halide fixtures can produce. Lumen rating sylvania metal halide lamps. The luminous flux φ v in lumens lm is equal to the power p in watts w times the luminous efficacy η in lumens per watt lm w.
What is a metal halide lamp. Mercury containing products sold into the state of wa include an environmental handling charge of 95 each. Metalarc supersaver lamps are designed as energy saving replacements for stan dard lamps. Energy saving lamps have high luminous efficacy more lumens per watt.
A metal halide mh lamp is an electrical lamp or bulb that produces light by creating an electric arc combining a gaseous mixture of vaporized mercury and various metal compounds bromine or iodine. The reality is that they come in a large variety of options.