Analytical HPLC Pump

Intelligent isocratic HPLC pump PU-2080 Plus compact-sized HPLC pump The size of the analytical HPLC pump is a mere 15 cm wide and 15 cm high. Two pumps and other components can be stacked to comprise a gradient HPLC system requiring minimal bench space in the crowded modern laboratory. Available as PU-2085i a PEEK inert system for working with applications which are sensitive to metal ions. Full programmability Stand alone front panel programming of 10 files with up to 64 steps/file is provided eliminating the need for external computers or system controllers. Built-in program allows either high pressure gradient operation by 2 pumps or low pressure gradient operation using one pump and proportioning valve without need of a system controller. The stand alone PU-2080 can even control a 6-solvent selection valve to allow control of complex applications such as Amino Acid Analysis. Of course full PC control is available

HPG-2080 High Pressure Binary Gradient Pumps Combine two PU-2080 pumps to create a high performance high reliability gradient system. Also for high pressure ternary gradients High pressure mixing is stil the best way to make gradients. fast responsive gradients negligible dead volume tailored mixing according to flow-rate and solvent viscosity Using the dynamic MX-2080-31 the HPG-2080 offers a very flexible gradient pump from 10mL/minute to down below 100uL/minute without compromising dead volume or mixing efficiency. Excellent pump performance The SSQD (Slow suction, Quick delivery) pumping method ensures the most reliable, accurate and stable solvent delivery possible. A guaranteed flow rate precision within 0.1% assures good reproducibility of retention time. Pulse-free flow assures maximum detector sensitivity. Extreme durability. Utilising ceramic plungers and an automatic plunger cleaning system assures a long, maintenance free pump life. Diaphragms located behind the plunger seals and a pair of check valves act as pumps for cleaning the plunger surface, thus avoiding the precipitation of salts from buffer solutions during intermittent operation.