Pfeiffer Full Range Gauge PKR-250/251 Repair Kit, Pirani Element, Anode, Support Centering Ring, Seals, Ignition aid PN BN846238-TThis is the Repair Kit ONLY for the Pfeiffer PKR250/251 FPM Sealed Cold Cathode Pirani Gauge. Repair Kit Includes: Pirani Element, Support Ring, O-Rings, Ignition Aids and Anode. For detailed instructions on how to replace the Pfeiffer PKR250/251 maintenance kit parts, see .pdf to the side at Downloads, page 23. (This pricing is for the Repair Kit Only, pumps, controllers, sensors sold separately.)Pfeiffer Compact FullRange™ PKR 251 Active Pirani Cold Cathode Transmitter Gauge Rebuild and Repair. For Services: CALL (505) 872-0037

Pfeiffer IKR 251 Active Cold Cathode (Inverted Magnetron) Vacuum Gauge, KF-25, Interior FPM Sealed, Corrosion Resistant. Pfeiffer Vacuum Part Number: PT R25 500 These Pfeiffer IKR 251 Cold Cathode Gauges provide measurable vacuum pressure in the range 7.5x10-3 to 1.5x10-9 Torr. The vacuum pressure can be displayed via a DCU or TCP 350 turbopump controller or via the TPG 261, 262, or 256 Active Gauge controllers. They have a KF25 flange. They are metal sealed and are qualified for a high 150°C bakeout temperature. This pricing is for the Pfeiffer IKR 251 Gauge only. All Pfeiffer controllers and signal cables sold separately on this website. For complete operating instructions on the IKR 251 Cold Cathode Vacuum Gauge see the .pdf’s at Downloads.

Pfeiffer PKR 251 Active Pirani Cold Cathode Transmitter Compact FullRange™ Gauge PKR 251 Active Pirani Cold Cathode Transmitter KF25 Inlet Flange. Pfeiffer Part Number: PT R26 000. Pfeiffer PKR 251 Active Pirani Cold Cathode Transmitter Compact FullRange™ Pirani/Cold Cathode Gauges provide measurable vacuum pressure in the range 100 to 5x10-9 Torr. The vacuum pressure can be displayed via a DCU or TCP 350 turbopump controller or via the TPG 261, 262, or 256 Active Gauge controllers. They have a DN 25 ISO-KF 25 connection flange. If integrated into an OEM system they requires 15 to 30 VDC power input and produce a linear 0-10 VDC analog output signal. They include overrange, underrange, sensor ID, and sensor error indication. These PKR 251 compact full range gauges are FPM sealed and are qualified for a high 150°C bakeout temperature. This pricing is for the Pfeiffer SingleGauge™ PKR 251 Active Gauge only. All Pfeiffer controllers and signal cables sold seperately on this website. For complete operating instructions scroll down to (Downloads) below and download the PDF’s.

Pfeiffer PKR 251 Active Pirani Cold Cathode Transmitter Compact FullRange™ Gauge, KF-40 Inlet Flange Corrosion Resistant. Pfeiffer Part Number: PT R26 001. These Pfeiffer PKR 251 Active Pirani Cold Cathode Transmitter Compact FullRange Pirani/Cold Cathode Gauges provide measurable vacuum pressure in the range 100 to 5x10-9 Torr. The vacuum pressure can be displayed via a DCU or TCP 350 turbopump controller or via the TPG 261, 262, or 256 Active Gauge controllers. They have a DN 40 ISO-KF 40 connection flange. If integrated into an OEM system they require 15 to 30 VDC power input and produce a linear 0-10 VDC analog output signal. They include over-range, under-range, sensor ID, and sensor error indication. These PKR251 compact full range gauges are FPM sealed and are qualified for a high 150°C bakeout temperature. This pricing is for the Pfeiffer SingleGauge™ PKR 251 Active Gauge only. All Pfeiffer controllers and signal cables sold seperately on this website. For complete operating instructions scroll down to Downloads below and download the PDF’s. Pfeiffer Part Number PT R26 001.

Pfeiffer PKR 251 Active Pirani Cold Cathode Transmitter Compact FullRange™ Gauge, DN 40 CF-F (CF 2.75 inch) Inlet Flange, Corrosion Resistant. Pfeiffer Part Number: PT R26 002. These Pfeiffer PKR 251 Active Pirani Cold Cathode Transmitter Compact FullRange Pirani/Cold Cathode Gauges provide measurable vacuum pressure in the range 100 to 5x10-9 Torr, The maximum pressure applies to inert gases and temperatures below 55 °C. The vacuum pressure can be displayed via a DCU or TCP 350 turbopump controller or via the TPG 261, 262, or 256 Active Gauge controllers. They have a DN 40 CF-F (CF 2.75 inch) connection flange. If integrated into an OEM system they requires 15 to 30 VDC power input and produce a linear 0-10 VDC analog output signal. They include overrange, underrange, sensor ID, and sensor error indication. These PKR251 compact full range gauges are FPM sealed and are qualified for a high 150°C bakeout temperature. This pricing is for the Pfeiffer SingleGauge™ PKR 251 Active Gauge only. All Pfeiffer controllers and signal cables sold seperately on this website. For complete operating instructions scroll down to (DOWNLOADS) below and download the PDF’s.

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.

Pfeiffer IKR 261 Cold Cathode Vacuum Gauge, CF-2.75 inches, Transmitter Metal Sealed, DN 40 CF-F. Pfeiffer Vacuum Part Number: PT R25 751 These Pfeiffer IKR 261 Cold Cathode Gauges provide measurable vacuum pressure in the range 7.5x10-3 to 1.5x10-9 Torr (1x10-2 to 2x10-9 mbar). The vacuum pressure can be displayed via a DCU or TCP 350 turbopump controller or via the TPG 261, 262, or 256 Active Gauge controllers. They have a DN 40 CF-F, 2.75 in. Conflat CF connection flange. If integrated into an OEM system they require 15 to 30 VDC power input and produce a linear 0-10 VDC analog output signal. They include over range, under range, sensor ID, and sensor error indication. These IKR261 compact full range gauges are METAL sealed and are qualified for a high 250°C bakeout temperature. This pricing is for the Pfeiffer IKR 261 Active Gauge only. All Pfeiffer controllers and signal cables sold separately on this website. For complete operating instructions on the IKR 261 Gauge scroll down to Downloads below and download the PDF.