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The Hamamatsu L2D2 Deuterium Lamp model L6311-50 has a UV Glass window material with a guaranteed lifetime of 2000 hours. The L2D2 Deuterium Lamps are specifically developed for analytical instruments. These L2D2 lamps offer excellent features essential for light sources in analytical instruments such as long service life, high stability and high output.


| Series | L2-2000 |
| Electrode Structure | Standard |
| Window Material | UV Glass |
| Spectral Distribution (Short) | 185 nm |
| Spectral Distribution (Long) | 400 nm |
| Aperture Diameter | 0.5 mm |
| Output Stability Drift Max. | +/- 0.3 %/h |
| Output Stability Fluctuation (p-p) Typ. | 0.005 % |
| Guaranteed Life | 2000 h |
| Required Discharge Starting Voltage Min. | 400.0 V dc |
| Anode Current | 300 +/- 30 mA dc |
| Tube Drop Voltage Typ. | 80.0 V dc |
| Filament Warm-up Voltage | 12 to 15 V dc, V ac |
| Filament Warm-up Current Typ. | 0.5 to 0.55 A dc, A ac |
| Filament Warm-up Time | 20 s |
| Filament Operating Voltage | 0 V dc |
| Filament Operating Current Typ. | 0 A dc |
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