Configurations include LCD display, front panel keypad forlocal control, serial RS-422 Input/Output (I/O), and discrete (analog) I/O forremote control, power and control of temperature zones and electricallyactuated valves.
The front panel can hold up to four manual analytical or preparative injector or switching valves plus four prime/purge valves.
Mounts up to six analytical columns (10 mm OD × 30 cm lengthor smaller) or one preparative column (44 mm × 27 cm length or smaller) plusthree analytical columns in the column compartment.
Operatesup to four separate electrically-actuated valves. Valve types offeredcurrently:
Solvent switching for six solvents
Column switching for six columns
Column switching for three columns
Injector/diverter valve – preparative
Up to two independently controlled heating zones, eachholding up to two analytical columns. The column heater block design can accommodatecolumn lengths from 5 to 25 cm with outside
This refurbished Varian column valve module is in a great condition. It has been tested at SpectraLab Scientific.