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| Application: | Industrial |
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1. Spectral system | |
Optical path | Czerny turner type |
Focal length | 1000mm |
Grating specifications | ion etched holographic grating with line densities of 3600L/mm, 2400L/mm, or 4320L/mm; Engraving area (80 × 110) mm |
Resolution | ≤ 0.008nm (3600 line grating); ≤ 0.015nm (2400 line grating); ≤ 0.005nm (4320 line grating) |
Scanning wavelength range | 3600 line grating |
2. Detection system | |
Photomultiplier tube specification | R212/R928 |
Negative high voltage of photomultiplier tube | (-50~-1000) V |
Measurement range of photomultiplier tube current | (10-12~10-4) A |
Signal acquisition | VF conversion |
3. Computer System | |
Host | Brand computer |
Display | LCD monitor |
Printer | Canon inkjet printer |
4. Measurement range | |
a. Liquid content | 0.01ppm - several thousand ppm |
b. Solid content | 0.001% - ---70% |
Repeatability | (i.e. short-term stability) relative standard deviation RSD ≤ 1.5% |
Stability | Relative standard deviation RSD ≤ 2% |
Test speed | 5-8 elements per minute |













