Agilent Varian Turbo TwisTorr 84 FS AG 1/4 Rack Mount Controller with RS232/485 Communication Interface.
Agilent Varian Part Number PN: X3508-64301.

This TwisTorr 74 FS AG Rack Controller is a microprocessor controlled frequency converter with new enhanced features that allow greater control and communication capabilities. It is a compact 1/4 rack unit designed for full worldwide compatibility 100-240 VAC. This controller has RS 232/485 communication port connections, powers a cooling fan, drives vent valve controls, provides and acquires the pressure of the Agilent wide range gauges and controls the pump operation parameters for the TwisTorr 74 FS series turbo pumps. It also contains self diagnostic and protection features. This controller automatically recognizes the Agilent active gauges measuring down to 10-3 to 10-9 Torr.

This 74 FS AG controller supports the following Agilent Active Pressure Gauges:

FRG 700/702, FRG 720/730
IM 500, IMG 500
PVG 500/502
PCG 750/752
CDG 500 T1000, CDG 500 T0100
CDG 500 T0010, CDG 500 T0001

These controllers are compatible with Agilent Varian TwisTorr 74 FS turbo pumps. For the complete specifications, controller functions, and instructions for use, please download the operating manual below.