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Deuterium Lamps

The Hamamatsu L2D2 lamps are highly stable Deuterium lamps with a dramatically extended life, developed specifically to meet the demands for higher photometric accuracy. The L2D2 lamps employ an innovative ceramic structure optimized for high performance. This results in a guaranteed operating life of 2000 or 4000 hours (L2-4000 series). In addition, the L2D2 lamps offer twice the stability of conventional lamps and uniform characteristics from lamp to lamp.  The L2D2 lamp family consists of the L2-2000 series and L2-4000 series lamps. The L2D2 series is available in a large choice of output windows, heaters and sizes to match your application and power supply. The L2D2 lamps are ideally suited as ultraviolet light sources in applications such as spectrophotometers, HPLC, CE, and pollution monitors.
 

Part Number
 
Guaranteed
Life
hours  
Window
Material
 
Min

nm  
Max
nm  
Aperture
Dia. Size
mm  
Fluctuation
%p-p  
Filament
Warm Up
Vdc  
Filament
Warm Up
Variation
±Vdc  
Filament
Operating
Vdc  
Filament
Operating
variation
±Vdc  
L10804    2000 at 230 nm (lamp life end is point when light output at 230 nm falls to 50% of its initial value or when output fluctuation exceeds 0.05 % [p-p]) UV Glass 185 400 5.0E-03
L9841    2000 at 230 nm (lamp life end is point when light output at 230 nm falls to 50% of its initial value or when output fluctuation exceeds 0.05 % [p-p]) MgF2 115 400 5.0E-03
L9519    2000 at 230 nm (lamp life end is point when light output at 230 nm falls to 50% of its initial value or when output fluctuation exceeds 0.05 % [p-p]) Synthetic silica 160 400 5.0E-03
L9518    2000 at 230 nm (lamp life end is point when light output at 230 nm falls to 50% of its initial value or when output fluctuation exceeds 0.05 % [p-p]) UV Glass 185 400 5.0E-03
L7820    500 UV Glass 185 400 5.0E-03
L7307    2000 UV Glass 185 400 1 5.0E-03 2.5 0.25 1 0.1
L7306    2000 UV Glass 185 400 1 5.0E-03 2.5 0.25 1.7 0.2
L7298    2000 Synthetic Silica 160 400 1 5.0E-03 2.5 0.25 1.7 0.2
L7296-50    2000 Synthetic Silica 160 400 0.5 5.0E-03 10 1 7 0.5
L7296    2000 Synthetic Silica 160 400 0.5 5.0E-03 10 1 7 0.5
L7295    2000 Synthetic Silica 160 400 1 5.0E-03 10 1 7 0.5
L7293-50    2000 MgF2 115 400 1 - 2.5 0.25 1 0.1
L7293    2000 MgF2 115 400 1 - 2.5 0.25 1 0.1
L7292    2000 MgF2 115 400 1 - 10 1 2.5
L7174    2000 UV Glass 185 400 1 5.0E-03 2.5 0.25 1 0.1
L6999-51    2000 UV Glass 185 400 0.5 5.0E-03 2.5 0.25 1 0.1
L6999-50    2000 UV Glass 185 400 0.5 5.0E-03 2.5 0.25 1 0.1
L6999    2000 UV Glass 185 400 0.5 5.0E-03 2.5 0.25 1 0.1
L6566    4000 UV Glass 185 400 1 5.0E-03 3 0.3 1 0
L6565    4000 UV Glass 185 400 1 5.0E-03 2.5 0.25 1 0.1
L6312-50    2000 UV Glass 185 400 1 5.0E-03 13 1 0 0
L6312    2000 UV Glass 185 400 1 5.0E-03 13 1 0 0
L6311-50    2000 UV Glass 185 400 0.5 5.0E-03 0
L6311    2000 UV Glass 185 400 0.5 5.0E-03 13 1 0 0
L6310    2000 UV Glass 185 400 1 5.0E-03 10 1 7 0.5
L6309    2000 UV Glass 185 400 0.5 5.0E-03 10 1 7 0.5
L6308    2000 UV Glass 185 400 1 5.0E-03 10 1
L6307    2000 UV Glass 185 400 0.5 5.0E-03 10 1
L6306    2000 UV Glass 185 400 1 5.0E-03 3 0.3
L6305    2000 UV Glass 185 400 0.5 5.0E-03 3 0.3
L6304    2000 UV Glass 185 400 1 5.0E-03 2.5 0.25 1.7 0.2
L6303    2000 UV Glass 185 400 0.5 5.0E-03 2.5 0.25 1.7 0.2
L6302    2000 UV Glass 185 400 1 5.0E-03 2.5 0.25 1 0.1
L6301    2000 UV Glass 185 400 0.5 5.0E-03 2.5 0.25 1 0.1
L1835    MgF2 115 400 2.5 0.5 10 1 5
L1314    Synthetic Silica 160 400 2.5 0.5 10 1 5