Model | DR-UV-1900 | DR-UV-1900S |
---|---|---|
Make | DR Labs | DR Labs |
Bandwidth | 2 nm | 0.5, 1.0, 2.0, 4.0 nm |
Cell Holder | 4 sample holder moveable | 4 sample holder moveable |
Optical System | Double Beam (1200 lines/mm Grating) | Double Beam (1200 lines/mm Grating) |
Wavelength Range | 190 ~ 1100 nm | 190 ~ 1100 nm |
Wavelength Accuracy | ± 0.3 nm | ± 0.3 nm |
Wavelength Repeatability | ± 0.2 nm | ± 0.2 nm |
Scanning Speed | High, Medium, Low (Max. 3000 nm/min) | High, Medium, Low (Max. 3000 nm/min) |
Photometric Range | -4 ~ 4A, 0~999.9%T, 0~9999C, 1~9999F | -4 ~ 4A, 0~999.9%T, 0~9999C, 1~9999F |
Photometric Accuracy (T) | ± 0.3%T | ± 0.3%T |
Photometric Repeatability | 0.2%T | 0.2%T |
Stability | ± 0.001 A/h (700 nm, preheating for 1 hr) | ± 0.001 A/h (700 nm, preheating for 1 hr) |
Photometric Accuracy(A) | ≤±0.002A(0~0.5A), ≤±0.004A(0.5~1A), ≤±0.006A(>2.0) | ≤±0.002A(0~0.5A), ≤±0.004A(0.5~1A), ≤±0.006A(>2.0) |
Baseline Flatness & noise | ≤±0.001A/h | ≤±0.001A/h |
Stray Light | <0.05%T @ 220nm, 360nm | <0.05%T @ 220nm, 360nm |
Data Output | USB | USB |
Printer Port | Parallel Port | Parallel Port |
Display | Touchscreen | Touchscreen |
Lamps | D2 & Tungsten Halogen Lamp | D2 & Tungsten Halogen Lamp |
Detector | Silicone Photodiode | Silicone Photodiode |
Power Supply | AC 220V / 50Hz | AC 220V / 50Hz |
Dimensions & Weight | 650 x 450 x 220mm & 25kg | 650 x 450 x 220mm & 25kg |