Quaternary Gradient Systems
Examples for quaternary gradient systems with control- and analysis software.
Model DQS-200 Automated Quaternary Gradient with Variable Wavelength Detector for 195-800 nm Operation D2 Lamp (195-360 nm; to 800 nm with optional W lamp). Includes two Model DPM-200 Gradient Pump Modules with pressure transducer, Through-the-Handle Injection Valve (TtH) with Position Sensor, and Star-Chrom HPLC Management Software and Accessories with Calibration Module. Column Accessory Module (CAM) includes: Through-the-Handle Injection Valve, Solvent Degasser, Column oven, PEEK or Stainless Steel Construction. Pump flow 0.01-9.99 ml/min, 2500 psi.
Requires minimum 166MHz Pentium Computer with One Free COM Port; Windows 98/XP or NT/2000 Operating System.
Also available:
Model DQS-200P High Pressure Automated Quaternary Gradient with Variable Wavelength Detector. Pump flow 0.01-9.99 ml/min, 5000 psi.
Note: The systems are shown with the CAM module. The CAM module will be available soon.
Column Accessory Module (CAM) includes: Through-the- Handle Injection Valve, Solvent Degasser, Column Oven. Stainless Steel or PEEK Construction.
| Models: | |
| DQS-200 | |
| Detector: | UV/VIS detector, var. wavelength 185 nm – 800 nm D2 lamp or " lamp |
| Pump module: |
0.01 – 9.99 ml/min, pressure max. 2500 PSI Flow path optional PEEK or SS |
| Software: | Starchrome, 2 control- and datachannels |
| Upgradeable: | with two detectors |
| DQS-200 P | |
| Pump module: |
Flow path SS Pressure max. 5000 PSI |
| Otherwise equal to DQS-200 | |
| DQS-200 FL | |
| Detevtor: |
Fluorescence detector with fixed wavelength (filter) 254 nm / >420 nm and other combinations |
| Otherwise equal to DQS-200 | |
| DQS-200 CD | |
| Detectors: | Conductivity detectors |
| Otherwise equal to DQS-200 | |
| DQS-200 DW | |
| Detectors: |
Dual channel UV/VIS detector Wavelength combination: 214 nm and 280 nm, D2 lamp 440 nm and 570 nm, W lamp |
| Otherwise equal to DQS-200 | |
| Other configurations available on request | |
