THORN EMI SON-TD 250W High Pressure Sodium Lamp - Double Ended
Lampe à vapeur de sodium haute pression
Hochdruck Natriumdampflampe

Power: 250 W
Current: 3 A
Voltage: 100 V
Cycle ignition: 2.8 - 4.5 kV x 1μs
Atmosphere:
- Inner: Na20:Hg80 + Xe @ 20 torr
- Outer: Ar:N2 90:10 @ 700 torr
Luminous Flux: 26,000 lm after 100 h, 25,000 lm after 2000 h
Luminous Efficacy: 104.0 lm/W (after 100 h)
Lifetime: 18,000 hours
Warm-up time: 8 minutes
Re-strike time: less than 1 minute
Burning position: horizontal ± 20° (only in sealed luminaire)

Fiche technique • Data sheet • Datenblatt: THORN_SON.pdf

D. C. Peach, A Decade of SON, Thorn Lighting Journal 22, 1981.

 

Longueur • Length • Länge : 190 mm • 7" 1/2
Diamètre • Diameter • Durchmesser : 21 mm • 7/8"

 

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