| 产品规格 | Each |
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| 基线平坦度 | ±0.0010A, 200-800 nm, 1.0nm SBW, smoothing |
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| Data Interval | 10, 5, 2, 1.0, 0.5, 0.2, 0.1 nm |
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| 描述 | Cutting-edge instrumentation, intuitive and powerful software, and a wide range of accessories consistently deliver high quality results and improved productivity |
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| 检测器类型 | Dual Silicon Photodiodes |
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| Dimensions (L x W x H) | 62.2 x 48.6 x 27.9 cm (24 x 19 x 11 in) |
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| 显示 | None |
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| 漂移 | <0.000/hr, 500nm, 1.0nm SBW, 1 hr warm-up |
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| Electrical Requirements | 100-240V 50-60Hz, selected automatically, 150W maximum |
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| 物品描述 | Evolution 220 UV-Vis Spectrophotometer, Computer Control, includes Euro/US/UK power cords |
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| 键盘 | Sealed membrane |
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| 灯 | Xenon Flash Lamp, 3 year warranty (7 years typical lifetime) |
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| 噪声 | 0A: <0.0001;
1A: <0.0002;
2A: <0.00080A;
260 nm, 1nm SBW, RMS |
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| 操作系统 | Microsoft Windows 7, Windows 8 |
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| 光学设计 | Double Beam with sample and reference cuvette positions; Application Focused Beam Geometry; Czerny-Turner Monochromator |
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| Pharmacopoeia Compliance Testing | (Guaranteed Performance Specifications)
Resolution (toluene in Hexane): ≥1.8A
Photometric Accuracy (60 mg/L K2Cr2O7): ±0.010A
Stray Light: ≤1%T at 198 nm: KCI; ≤ to 0.05 %AT at 220nm: Nal, Kl
Wavelength Accuracy: ±0.5 nm 541.9, 546.1 nm Hg emission lines, ±0.8 nm full range
Wavelength Repeatability: ≤0.05 nm, repetitive scanning of 546.1nm Hg emission line |
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| Photometric Accuracy Instrument | 1A: ±0.006A
2A: ±0.010A
Measured at 440 nm using calibrated neutral density filters traceable to NIST |
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| Photometric Display | -0.3 to 4.0A |
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| Photometric Range | >3. |
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| Photometric Repeatability | ±0.0002A |
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| Scan Ordinate Modes | Absorbance, % Transmittance, % Reflectance, Kubelka-Munk, log (1/R), log (Abs), Abs*Factor, Intensity |
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| 扫描速度. | <1-6000nm/min, variable |
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| 光谱带宽 | Variable: 1.0nm; 2.0nm; AFBG Microcell optimized; AFBG Fiber optic optimized; AFBG Materials optimized |
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| 类型 | Evolution 220 UV-Vis Spectrophotometer, Computer Control, includes Euro/US/UK power cords |
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| 波长精度 | ±0.5 nm (541.9, 546.1 nm mercury lines), ±0.8 nm (full range 190 to 1100 nm) |
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| 波长范围 | 190 to 1100 nm |
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| 波长重复性 | ≤0.05nm (546.11nm mercury line, SD of 10 measurements) |
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| 重量（英制） | 32 lb |
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| 重量（公制） | 14.4 kg |
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