The Series 475 Convectron Controller is a third generation RoHS compliant Granville-Phillips Convectron Gauge controller that combines the rugged reliability of the Series375 Convectron Controller with added features for ease of use and system integration. The Series 475 Convectron Controller is easy to use with a larger and brighter, highly visible Vacuum Florescent Display (VFD) and intuitive front panel controls that allow gaugecalibration and adjustment of vacuum measurement parameters witho