Product Description
The Hamamatsu L12515 UV Enhanced Type Compact UV-VIS S2D2 Fiber Light Source contains the world’s smallest compact deuterium lamp (S2D2 lamp). Compared to conventional S2D2 lamps, the L12515 gives a higher S/N ratio by enhancing the light output in the UV region. Even with a small and portable size, the L12515 provides high output, high stability, and low voltage operation, making it ideal for assembly into compact chemical analysis devices.
Applications
- Spectrophotometry
- Environmental Measurement
- Absorption Spectrum Measurement
- Biological Measurement
- Semiconductor Inspection
- Optical Component Inspection
Features
- Compact: 74 mm x 40 mm x 110 mm
- High Stability: Fluctuation 0.004 %p-p (Typ.) (Equivalent to 2 x 10-5 A.U.)

- Long Service Life: 1500 hours guaranteed (compact deuterium lamp)
- Improved S/N Ratio Due to Enhanced Output in the UV Region
- External Control
- Shutter Function

Specifications
| Parameter | Description / Value | |
| Spectral Distribution | 200 nm to 1600 nm | |
| Built-in Lamps | Compact Deuterium Lamp Tungsten Lamp 3 | |
| Output Stability | Fluctuation (Typ.) | 0.004 %p-p (Equivalent to 2x10^-5 A.U.) |
| Drift (Max.) | ±0.25 %/h | |
| Input Voltage (AC) 12 | 100 V to 240 V (50 Hz/60Hz) | |
| Power Consumption 1 | 10 VA | |
| Weight | 230 g | |
| Light Guide Connector | SMA905D | |
| Shutter | Provided as Standard | |
| External Control | Lamp ON / OFF | |
| Shutter Open / Close | ||
| Lamp ON/OFF, Main Power ON/OFF, Status Signal | ||
| Main Unit Switch | Shutter Open / Close | |
| Operating Ambient Temperature | 0 °C to +40 °C | |
| Operating Ambient Humidity | Below 80 % | |
| Storage Temperature | -10 °C to +60 °C | |
| Storage Humidity | Below 85 % | |
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