We have been able to continue our business in prominent way by offering our clients a superior range of Uv-Visible Spectrophotometer. These are used in analytical chemistry for the quantitative determination of different analytes, such as transition metal ions, highly conjugated organic compounds, and biological macromolecules. Sourced from reliable vendors, our Uv-Visible Spectrophotometer is made from top quality materials and modern technology. We offer these products at affordable prices within the stipulated time frame.
Features:
Further Details:
201/220 UV-Visible Spectrophotometers
SPECIFICATIONS
| Evolution 201 UV-Visible Spectrophotometer | Evolution 220 UV-Visible Spectrophotometer |
Optical Design | Double-beam with sample and reference cuvette positions; Czerny-Turner Monochromator | Double-beam with sample and reference cuvette positions; Application Focused Beam Geometry; Czerny-Turner Monochromator |
Spectral Bandwidth(s) | 1.0 nm | Variable: 1 nm; 2 nm; AFBG Microcell optimized; AFBG Fiber optic optimized; AFBG Materials optimized |
Light Source | Xenon flash lamp, 3-year warranty (5 years typical lifetime) | |
Detector | Dual Silicon Photodiodes | |
Scan Ordinate Modes | Absorbance, % Transmittance, % Reflectance, Kubelka-Munk, log (1/R), log (Abs), Abs*Factor, Intensity | |
Resolution | >1.6 (peak-to-valley ratio; toluene in hexane) | |
Wavelength |
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Range | 190-1100 nm | |
Accuracy | +0.8 nm (full range 190 to 1100 nm) ±0.5 nm (546.11 nm mercury line) | |
Repeatability | 0.1 nm (546.11 nm mercury line, SD of 10 measurements) | |
Scanning Speed | <1 to 6000 nm/min; variable | |
Data Intervals | 10, 5, 2, 1.0, 0.5, 0.2, 0.1 nm | |
Photometric |
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Range | >3.5 A | |
Display Range | -0.3 to 4.0 A | |
Accuracy Instrument | 0.5 A: ±0.004 A 1A: ±0.006 A 2A: ±0.010 A Measured at 440 nm using neutral density filters traceable to NIST/NPL | |
Accuracy Sealed Solutions (EP/BP/TGA) | +0.010 A (60 mg/L K 2 Cr2O7) | |
Noise | 0A: 0.00015 A 1A:0.00050 A 2A: 0.00080 A 260 nm, 1.0 nm SBW, RMS | |
Drift (Stability) | <0.0005 A/hr 500 nm, 1.0 nm SBW, 1 hour warm-up | |
Stray Light | KCl, 198 nm: T NaI, 220 nm: 0.05% T NaNO2 340 nm: <0.05% T | |
Baseline Flatness | +0.0010 A 200-800 nm, 1.0 nm SBW, smoothing | |
Keypad | Sealed Membrane | |
Local Control Option Display | Touchscreen LCD panel; 800, 480; 17.8 cm (7 in) diagonal | |
Operating System | Microsoft Windows XP embedded | |
Dimensions | 62.2 cm L x 48.6 cm W x 27.9 cm H (24" L x 19" W x 11" H) | |
Weight | 14.4 kg (32 lb) | |
Electrical Supply | 100-240 V, 50-60 Hz, selected automatically 150 W maximum |