Refurbished PFEIFFER PKR 251 compact full range vacuum gauges from stock with warranty. Gauges are offered with DN25KF, DN40KF or DN40CF high vacuum flange. Note: shown with DN25KF. The PKR 251 vacuum sensor is compatible with the older Balzers PKR 250 and Balzers PKR 251 sensors.
Combined gauge with Active Pirani/cold cathode transmitter.
- Measurement range from 5·10-9 to 1000 mbar
- Two gauge heads (Pirani and cold cathode) in a single case (inverted magnetron)
- A single flange from atmospheric pressure to UHV
- Maximum pressure refers to inert gases and temperatures of less than 55 °C