| Optical System: |
Single Beam Spectrophotometer Scanning System |
| Monochromator: |
1200 lines/mm holographic grating
C-T monochromator |
| Wavelength: |
190-1100 nm |
| Wavelength Accuracy: |
± 1 nm |
| Wavelength Repeatability: |
≤0.5nm |
| Spectral Bandwidth: |
2 nm |
| Transmittance Accuracy: |
± 0.5% (T) (NBS930D) |
| Stray Light: |
0.1% (T) (220nm, NaI; 360nm, NaNO2) |
| Transmittance Repeatability: |
≤0.2% (T) |
| Transmittance Measuring Range: |
0.0%-200.0% (T) |
| Absorbance Measuring Range: |
-0.301~4.000 (A) |
| Concentration Range: |
0.000~9999 (C) |
| Baseline: |
± 0.003Abs (210-990nm, S model only) |
| Scanning Speed: |
About 500nm/min, with a high speed 1nm step |
| Noise: |
100%T≤0.2%(T) 0%T≤0.1%(T) |
| Drifting: |
≤0.002%(A)/0.5h (at 250nm and 500nm, warm up 2h) |
| Weight: |
20 kg |
