Available in 100 and 300 mL/min versions, PR Class rugged, dual-headed, positive displacement piston pumps integrate prime-purge valve, outlet filter, drip tray, leak sensor, pulse dampener, pressure monitoring, and interactive keypad control. Complete PC control and status monitoring is supported via RS-232 and Micro USB 2.0 ports, and built-in maintenance features include automatic piston wash. Standard fluid path materials are stainless steel and PEEK (titanium optional).