NEW Pfeiffer Handheld Key Pad HPU 001 To Communicate to Pfeiffer HiScroll Pumps. The ideal assistant for controlling and monitoring the pump parameters with graphical display. 9-pin D-sub, serial interface RS-232 for connection to the PC. RJ 45, serial interface RS-485 for connection to a Pfeiffer Vacuum Drive Unit on the HiScroll 6-12-18 Scroll Pumps. Comes with Interface cable M12/RJ 45 and RJ 45/RJ 45 for electronic drive unit, cable length 3 m. Comes with multilingual menus and graphical display. A 9 Volt block battery is required but not supplied. An OPTIONAL ACCESSORY PACK is available to include AC Power Supply Adapter, cables and CD HPU Operating Software. (Not Included with this keypad). Pfeiffer P/N PM 061 005-T. Operating Instructions can be downloaded from the side.