Dionex AD20 Absorbance Detector
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3-12 month warranty
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The Dionex AD20 Absorbance Detector is a dual-beam, variable wavelength photometer. Full spectral capability is provided by two light sources: a deuterium lamp for ultraviolet detection and a tungsten lamp for visible wavelength operation. The Dionex AD20 features programmable wavelength selection and automatic calibration for precision, reproducibility, and ease-of-use.
| Specification | |
| Optical System | Dual-beam, fiber-optic beam splitter and concave holographic diffraction grating |
| Light Sources | Deuterium lamp (30 W) for ultraviolet spectrum analysis; tungsten lamp (10 W) for visible spectrum analysis |
| Wavelength Range | 190 to 800 nm variable; continuous in 1 nm steps |
| Wavelength Accuracy | ± 1 nm |
| Bandwidth | 8 nm |
| Absorbance Range | Discrete settings of 0.001, 0.002, 0.005, 0.01, 0.02, 0.05, 0.1, 0.2, 0.5, 1.0, and 2.0 AU |
| Autozero Capability | 2 AU |
| Autozero Accuracy | ± 100 uAU |
| Noise | < 10 uAU peak-to-peak at 254 nm, 2-second rise time, flowing deionized water |
| Drift | < 100 uAU/hour (after warm-up) < 100 uAU/oC (after warm-up) |
| Filter Rise Time | Discrete settings of 0.05, 0.1, 0.2, 0.5, 1.0, 2.0, 5.0, or 10.0 seconds |
| Analog Output Range | Discrete settings of 0.001, 0.002, 0.005, 0.01, 0.02, 0.05, 0.1, 0.2, 0.5, 1.0, and 2.0 AUFS |
| Cell Body | PEEK |
| Volume and Optical Path Length | Standard bore cell, used with 4 mm (0.016 in) columns: 9 mL volume, 10 mm (0.002 in) optical path length |
| Maximum Operating Pressure | 1.38 mPa (200 psi) with a heat exchanger; 3.45 mPa (500 psi) without a heat exchanger |
| Chemical Compatibility | The use of a base stronger than 0.1 M is not recommended, as it will etch the silica windows. |
This refurbished Dionex AD20 Absorbance Detector is in great condition. It has been tested at SpectraLab Scientific.
A 90 day warranty is included. Multiple available.
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SpectraLab Scientific Inc
Established in 2003,
SpectraLab Scientific is a global leader of Refurbished analytical equipment. We specialize in reconditioning equipment, integrating the best available technologies from leading manufacturers across the industry. We are committed to quality and service, delivering strong customer satisfaction. We stock over 10,000 pre-owned lab equipment, components, and mix-and-match parts for your systems.
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