NEW Pfeiffer Compact FullRange Gauge PKR 251/261 Electronics Head for the Active Pirani Cold Cathode Transmitter.
Pfeiffer Vacuum Part Number PT120140-T (This is the Top Half Electronics ONLY)
This is a Pfeiffer Balzer Electronics for the PKR 251 or PKR 261 Full Range Vacuum Gauge. All Pfeiffer controllers and signal cables sold separately on this website. For complete operating instructions scroll down to (AVAILABLE DOWNLOADS) below and download the PDF's.
