Philips Lighting 70 W Clear Tubular SON-T Sodium Lamp, ES/E27, 2000K, 32mm
Technical Document
Specifications
Brand
Philips LightingWattage
70 W
Lamp Base
ES/E27
Lamp Shape
Tubular
SON Type
SON-T
Lamp Finish
Clear
Length
156 mm
Diameter
32mm
Luminosity
6600 lm
Luminous Efficacy
91lm/W
Colour Rendering
23
Colour Temperature
2000K
Product details
Tubular SON-T
Very good efficiency, low colour rendering, typically Ra20 - 39
Twin Arc versions greatly extend lamp life and allow for hot re-strike after power failure
SON-T Plus offers 20% greater lumen output and longer lamp life
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
Philips LightingWattage
70 W
Lamp Base
ES/E27
Lamp Shape
Tubular
SON Type
SON-T
Lamp Finish
Clear
Length
156 mm
Diameter
32mm
Luminosity
6600 lm
Luminous Efficacy
91lm/W
Colour Rendering
23
Colour Temperature
2000K
Product details
Tubular SON-T
Very good efficiency, low colour rendering, typically Ra20 - 39
Twin Arc versions greatly extend lamp life and allow for hot re-strike after power failure
SON-T Plus offers 20% greater lumen output and longer lamp life
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.