High Pressure Sodium Lamp Lifetime

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High pressure sodium lamp lifetime.

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. Two varieties of such lamps exist. High pressure sodium lighting efficiency considering the loss of magnetic ballast lamps and optical channel utilization efficiency of the three factors if the overall efficiency by 0 55 meter the effective optical efficiency is about sodium 70 751m w. Hydro crunch 1000 watt double ended hps high pressure sodium de grow lamp model d911009000 40 25 40 25.

Dimming is limited to about 50 of full light output. 1 high power lamps 250w. High pressure lights have a life expectancy of 16 000 to 24 000 hours while low pressure sodium lights should run for 12 000 to 18 000 hours. This makes hps lamps especially easy to use in many fixture types.

Ballasts for discharge lamps. High pressure sodium applications hps lamps unlike most metal halides do not require enclosure except to prevent moisture from accumulating on the lamp. The expected lifetime for high pressure sodium lights is longer than low pressure sodium lights. High pressure sodium lamps tend to produce a much whiter light but still with a characteristic orange pink cast.

New color corrected versions producing a whiter light are now available but some efficiency is sacrificed for the improved color. Cri and reduced lamp efficacy. Vivosun 2 pack 400 watt high pressure sodium hps grow light bulb lamp high par enhanced red and orange spectrums cct 2100k ultra bright 55 000 lumens 4 4 out of 5 stars 443 24 85 24. Philips 150 watt ed23 5 ceramalux high pressure sodium high intensity discharge hid light bulb model 140961.