320 B also offers the security of a back-up minimum breath rate. Pressure adjusts in approximately 1.0 cmH2O increments. When activated, the unit provides pressure at approximately 3.5 cmH2O during the prescribed delay time. Delay time can be set from 5-30 minutes in 5 minute increments. Turns flow on or off.
Green indicator is illuminated when flow is on.
Green indicator is illuminated when delay is activated. If delay has been deactivated the indicator will not illuminate. Adapter available for supplemental oxygen administration.