tính năng kỹ thuật
tính năng kỹ thuật
Detector Type | Dual Silicon Photodiodes |
Photometric Accuracy Instrument | 1A: ±0.004 A 2A: ±0.008 A Measured at 440 nm using neutral density filters traceable to NIST |
Wavelength Accuracy | ±0.5 nm (541.9, 546.1 nm mercury lines) ±0.8 nm (full range 190–1100 nm) |
Baseline Flatness | ±0.0006 A, 200–800 nm, 1.0 nm SBW, smoothing |
Beam Geometry | Double-beam |
Data Interval | 10, 5, 2, 1.0, 0.5, 0.2, 0.1 nm |
Description | Evolution One UV-Vis Spectrophotometer |
Dimensions (L x W x H) | 593 × 475 × 266 mm (23.3 in. × 18.7 in. × 10.6 in.) |
Drift | <0.0005 A/hr 500 nm, 1.0 nm SBW, 1 hour warm-up |
Electrical Requirements | 100-240V 50-60Hz, selected automatically, 150W maximum |
Item Description | Evolution One UV-Vis Spectrophotometer |
Lamp | Xenon flash lamp Typical lifetime: >5 years; longer if not using live display Warranty period: 3-year source replacement warranty |
Noise | 0A: ≤0.00015 A 1A: ≤0.00010 A 2A: ≤0.00025 A 260 nm, 1.0 nm SBW, RMS< |
Optical Design | Double-beam with sample and reference cuvette positions Czerny-Turner Monochromator |
Pharmacopoeia Compliance Testing | Photometric Accuracy (60mg/L K2Cr2O7): ±0.010A Stray Light: ≤1%T at 198 nm: KCI; ≤0.05%AT at 220 nm: Nal, Kl Wavelength Accuracy: ±.5 nm 541.9, 546.1nm Hg emission lines, ±0.8 nm full range Wavelength Repeatability: ≤0.05 nm, repetitive scanning of 546.1 nm Hg emission line |
Photometric Display | -0.3 to 4.0 A |
Photometric Range | >3.5 A |
Photometric Repeatability | ±0.0002 A |
Scan Ordinate Modes | Absorbance, % Transmittance, % Reflectance, Kubelka-Munk, log (1/R), log (Abs), Abs*Factor, Intensity |
Spectral Bandwidth | 1.0 nm |
Wattage | 150 W maximum |
Wavelength Range | 190 to 1100nm |
Wavelength Repeatability | ≤0.05 nm (546.1 nm mercury line, SD of 10 measurements) |
Wavelength Scan Speed | <1 to 6000 nm/min; variable |
Weight (English) | 32 lb. |
Weight (Metric) | 14.5 kg |
Unit Size | Each |
Đánh giá
Chưa có đánh giá nào.