Description
The Hamamatsu L7293-50 L2D2 Deuterium Lamp has a MgF2 window material with a guatanteed lifetime of 2000 hours. L2D2 lamps offer excellent features essential for light sources in analytical instruments such as long service life, high stability and high output.
Applications
- High Performance Liquid Chromatography,
- UV-VIS Spectrophotometer,
- Thin Layer Chromatography,
- Atomic Absorption Spectrophotometer,
- Film Thickness Gauge etc.
Features
- dimensional outline: “!” ,
- Spectral distribution : 185 nm to 400 nm,
- Aperture diameter : 0.5 mm,
- Guaranteed life : 2000 h,
- High stability,
- Fluctuation 0.005 % (p-p) Typ. (Equivalent to 2 x10-5 A.U.)
- Drift +/-0.3 %/h
- Small intensity variation,
- Less movement of arc emission point.
Specifications
| Series | L2-2000 |
| Electrode Structure | Standard |
| Window Material | MgF2 |
| Spectral Distribution (Short) | 115 nm |
| Spectral Distribution (Long) | 400 nm |
| Aperture Diameter *a | 1 mm |
| Output Stability Drift Max. | – %/h |
| Output Stability Fluctuation (p-p) Typ. | – % |
| Guaranteed Life *d | 2000 h |
| Required Discharge Starting Voltage Min. | 350.0 V dc |
| Anode Current | 300 +/- 30 mA dc |
| Tube Drop Voltage Typ. | 80.0 V dc |
| Filament Warm-up Voltage | 2.5 +/- 0.25 V dc, V ac |
| Filament Warm-up Current Typ. | 4 A dc, A ac |
| Filament Warm-up Time | 20 s |
| Filament Operating Voltage | 1.0 +/- 0.1 V dc |
| Filament Operating Current Typ. | 1.8 A dc |
