Uv-Visible Spectrophotometer

Product Description

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: Modular design Precise operation Lightweight Further Details: 201/220 UV-Visible SpectrophotometersSPECIFICATIONS 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 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 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