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General Performance Differential Pressure Transducers
These general performance Baratron® differential capacitance manometers measure the difference in pressure between the inlet tube and the reference cavity. The reference cavity can be connected to any pressure or vacuum source, or be open to local atmosphere.

226B Baratron® 0.2-1000 Torr Differential Capacitance Manometers
- Differential pressure measurement from 1000 to 0.2 Torr
- Gas composition independent pressure measurement
- Fully-welded Inconel® sensor resists corrosion

228A Baratron® 0.2-1000 Torr Differential Capacitance Manometers with 2 Trip Points
- Differential pressure measurement from 1000 to 0.2 Torr
- Two independently-adjustable trip relays
- Three different analog output signals for unidirectional or bidirectional calibrations
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