Model 528 Variable Wavelength UV/VIS Detector by ESA - A Dionex Company

Model 528 Variable Wavelength UV/VIS Detector by ESA - A Dionex Company product image
Model 528 Variable Wavelength UV/VIS Detector
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  • Double-beam, variable wavelength capability
  • Programmable wavelengths: 190 - 900 nm
  • East-to-use Control Pad
  • Available Lamp startup/shutdown
  • Pre-aligned lamps for easy changeover
  • Remote autozero capability
  • Optimized for use with ESA Coulometric electrochemical detection

Low noise and low drift for increasing sensitivity and stability in analyses. The Model 526/528 detectors provide extremely low operating noise levels to 0.6 x 10-5 AU. This performance can meet severe analytical requirements for higher sensitivity. The improved stability also ensures reliable analyses not dependent on the ambient conditions.

High response and low noise for ultra-high-speed analyses is ensured at a response of 0.1 sec. This provides sharpness of chromatographic peaks for allowing ultra-high-speed analyses with high sensitivity.

Automatic wavelength calibration for UV range The detector unit has a built-in mercury lamp for checking wavelength accuracy. Using its 254nm emission line, an ultraviolet wavelength frequently selected in liquid chromatography can be checked.  A total of three wavelengths are checked at a time for enhancing reliability in wide-wavelength-range analyses.

Automatic lamp shutdown during inactive periods increases overall lamp life.  Lamp usage is easily monitored through the front panel keypad and display.  Simple programming is provided for wavelength scanning and range changes during an analytical run.