Lab Alliance - VersaGrad Series III

Manufactured by  Lab Alliance
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UHP and Conventional HPLC in a Single Instrument.

The New UHP System provides reproducible high-pressure binary gradient capability. Two Ultra High Pressure singlepiston pumps can be programmed through the included PC-driven software to give chromatography separations up to 12,000psi from .001ml/min to 5ml/min. The result is ultra high-pressure gradient performance at the price of a normal gradient system. The pumps have automatic pressure compensation, advanced recompression software and full calibration capabilities to insure accurate results.
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Features of VersaGrad Series III

Affordable Sensitivity

The UHP system includes an easy-to-use, high sensitivity Model 1200 variable UV programmable detector designed for routine applications and the choice of low volume flow cells for high speed or ultra high-resolution chromatography or normal cells.

20 Hz Data Collection for Fast Chromatography

The standard detector gives 20 Hz resolution to allow peaks of .2sec to be accurately measured. The system can be ordered with a high-speed 80 Hz diode array or fluorescence detector.

High-Speed Autosampler for Fast Analysis

The UHP Autosampler gives injections as quick as 15 seconds and allows for full loop, partial loop and a Μl pickup mode for valuable samples.

Four Channel Vacuum Degasser

Increased reliability and precision through the removal of dissolved gasses is a desirable feature for all chromatography and becomes even more critical in high-speed runs where a bubble can cause several runs to be lost.

Easy Operation and Data Reduction

The user-friendly EZChrom SI software permits easy control of the pumps, detector and data reduction. Additionally Run/Stop inputs, and upper and lower pressure limits are standard features and easily programmed.

Low Internal Volume for Accurate Gradients

The internal design of the solvent delivery system eliminates the need for large mixing devices and tubing, reducing dead volume.

  • Automatic pressure calibration
  • Calibration function
  • Advanced recompression software
  • Stainless Steel Fluid Path
  • Low volume mixing
  • Digital control
General Specifications
DetectorDouble-beam photometer
Maximum Pressure18000 psi
Standard Flow Rate 0.001 to 5 ml/min
Additional Specifications

Injector: UHP Autosampler

Control: EZChrom SI Control

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