| Wave-number Range . | 4000 -400 cm -1 | | Wave-number Accuracy | ± 4 cm - 1 ( 4000 ~ 2000 cm -1 ), ± 2 cm - 1 ( 2000 ~ 400 cm -1 ) | | Resolution | 1.5 cm -1 ( near to 1000 cm -1 ) | | Transmittance Accuracy | ±0.2%T ( noise level not included ) | | I o Line Flatness and Straightness | ±2%T | | Stray Light | ≤ 0.5%T ( 4000~ 650 cm -1 ) ≤ 1%T ( 650~ 400 cm -1 ) | | Abscissa Extension | ×0.5, ×1, ×2, ×5 and ×10 | | Ordinate Extension | ×0.25 to ×50 | | Test Mode | Transmittance, absorbance and single beam | | Scanning Speed | 5 stops (very fast, fast, medium, slow and very slow) | | Slit Width | 5 stops (very wide, wide, medium, narrow and very narrow) | | Response | 5 stops (very fast, fast, medium, slow and very slow ) | | Operation Mode | 3 kinds (continuous scanning, repeated scanning and specified wavelength scanning | | Power Supply | AC220 V, 50 Hz |
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Infrared Spectrophotometer
