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快速動力學熒光及紫外光譜儀MOS-200的基本信息：
The MOS-200 is a simple and efficient optical system designed for Rapid-Kinetics experiments.

The MOS-200 uses a Xe or Xe（Hg） 150 Watts light source attached to a manual monochromator on an optical bench.
The connection to the Bio-Logic Stopped-Flow is done through a fiber optic specially designed to match the Stopped-Flow cuvette dimensions.
The signal detection is performed by a photomultiplier directly mounted on the Stopped-Flow and connected to its control unit. The photomultiplier can be attached at 180° of the light source or at 90° allowing absorbance or fluorescence measurements （both at the same time using an optional additional detection channel）. For fluorescence measurements, standard filters can be installed in front the photomultiplier tube inside the holder.
The photomultiplier control unit is connected to a 16-bit A/D board installed in the PC driven by our acquisition and analysis Bio-Kine32 software.

Specifications:

Light lamp*
- 150 W Xe（Hg） or Xe arc lamp
- Wavelength range （nm） : 220 to 700 for Xe（Hg）, 200 to 700 for Xe
- Stability : better than 1% for Xe（Hg）, better than 0.3% for Xe
- Nature of spectrum : "sharp lines" for Xe（Hg）, "white" for Xe.
- Standard air cooled with lens
Light lamp power supply
- Ripple （50 or 60 Hz） : Less than 0.15% peak to peak （0.1% rms）
- Low frequency noise : Less than 0.05 % peak to peak
- Drift : Less than 0.1% per minute after one hour warm-up.
Monochromator
- Single grating
- Large aperture （F/#=3.5） and short focal length （100 mm） to improve light throughput
- Wavelength range : zero order and 200 to 800 nm
- Linear dispersion （nm/mm） : 8 （delivered with 1 mm slits）
- Accuracy （nm） : /- 0.5
Fiber optic
- Material : Quartz
- Dimensions
  - Monochromator end : 1 x 3 mm? （linear to match the slit image）
  - Stopped-Flow end : 1.9 mm diameter （round end to match cuvette image）
  - Length 1.5 m.
Photomultiplier & control unit
Data acquisition & data analysis
- 16-bit digitization of data
- Number of acquisition channels : up to 4. One for the main signal and the other three for external signals （optional additional detection channel, temp...）
- Rate of data acquisition : 50 ?s/sample to 1000 s/sample
- Oversampling filtering
- Linear or logarithmic time scale acquisition

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