Hitachi's unique technology produced an optical system that significantly reduces loss of light.
Hitachi's unique technologies -- 3D optical axis design, new beam-collecting mirrors, slit flow cells, and optimized transmission beam monitor -- have realized an optical system that significantly reduces loss of light. With this "bright" optical system, the L-2485 detector can provide a S/N ratio of 900 or over (using a baseline for Raman spectrum of water).
- Ultra-high sensitivity: S/N 900 or over (using a baseline for Raman spectrum of water)
- Variable slit widths: The slit width is switchable between 15 nm and 30 nm, providing greater sensitivity.
- Automatic wavelength check: With a built-in Hg lamp, the L-2485 performs automatic wavelength check.
- GLP compliance: Lamp energy check, lamp usage log, lamp replacement log, and wavelength accuracy.
- Flexibility to accommodate to various analytical applications: Time programming for excitation/emission beams is supported. You can also select from a wide range of wavelengths and functions to collect and save excitation/emission spectra.
- Front panel access for maintenance: User maintenance parts (e.g., Xe lamp and flow cell) can be easily accessed from the front panel.
| L-2485 Fluorescence Detector Specifications |
| Optics |
Ratio-beam photometric detector using transmission light |
| Light source |
150-W Xe lamp
Hg lamp for wavelength check |
| EX wavelength range and bandwidth |
200 to 850 nm
15 nm |
| EM wavelength range and bandwidth |
250 to 900 nm (over 731 nm requires PMT exchange)
15 nm and 30 nm |
| Sensitivity |
S/N: >900 for Raman spectrum of water
(EX: 350 nm; time constant: 2 sec; bandwidth:30 nm; baseline method) |
| Dimensions |
13.5 in (W) x 15.75 in (D) x12.0 in (D)
(340 mm (W) x 400 mm (D) x 300 mm (D)) |
| Weight |
approx. 42 lbs (19 kg) |
