250 W Clear Tubular SON-T Lamp, GES/E40, 2000K, 48mm
Technical Document
Specifications
Brand
Venture LightingWattage
250 W
Lamp Base
GES/E40
Lamp Shape
Tubular
SON Type
SON-T
Lamp Finish
Clear
Length
260 mm
Diameter
48mm
Luminosity
33000 lm
Luminous Efficacy
132lm/W
Colour Rendering
25
Colour Temperature
2000K
Product details
Tubular High Pressure SON-T
Clear tubular high pressure SON lamps suitable for use in either open or enclosed luminaires.
Universal orientation
Discharge SON Lamps
These lamps combine high efficiency and long life with an improvement in colour appearance and rendering compared with low pressure lamps. SON lamps emit a golden-white light. The SON-T lamp, with its clear tubular outer envelope, lends itself to applications that demand precise optical control, e.g. floodlighting. The SON-E lamp, with its elliptical glass bulb, inside which a white diffusing coating is applied, suits other applications where such accuracy of light control is not so essential. An ignitor (internal or external) is used to supply the high voltage necessary for lamp strike up. Reliable strike up (when hot, less than 60 seconds) thus is ensured, and a simple choke is used to stop excessive voltage rise. The run-up time can be up to 6 minutes when cold.
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Technical Document
Specifications
Brand
Venture LightingWattage
250 W
Lamp Base
GES/E40
Lamp Shape
Tubular
SON Type
SON-T
Lamp Finish
Clear
Length
260 mm
Diameter
48mm
Luminosity
33000 lm
Luminous Efficacy
132lm/W
Colour Rendering
25
Colour Temperature
2000K
Product details
Tubular High Pressure SON-T
Clear tubular high pressure SON lamps suitable for use in either open or enclosed luminaires.
Universal orientation
Discharge SON Lamps
These lamps combine high efficiency and long life with an improvement in colour appearance and rendering compared with low pressure lamps. SON lamps emit a golden-white light. The SON-T lamp, with its clear tubular outer envelope, lends itself to applications that demand precise optical control, e.g. floodlighting. The SON-E lamp, with its elliptical glass bulb, inside which a white diffusing coating is applied, suits other applications where such accuracy of light control is not so essential. An ignitor (internal or external) is used to supply the high voltage necessary for lamp strike up. Reliable strike up (when hot, less than 60 seconds) thus is ensured, and a simple choke is used to stop excessive voltage rise. The run-up time can be up to 6 minutes when cold.