VT650/VT900
Users Manual
18
Operations
Use the Analyzer to measure flow and pressure.
For each test: select the test and do the setup.
Displayed options depend on the selected test:
•Zero—Corrects sensor offsets for the
selected measurements.
• Graph—Select the parameters to graph.
• Back—Return to the previous screen.
• Clear—Clear the graph and statistics
(minimum, maximum, and average).
• Autoscale—Toggles between Autoscale and
manual scale.
• Profiles—Select a different profile.
• Save—Saves the final result.
Measured Signals
The Analyzer measures these signals:
• Airway flow
• Airway pressure
• Airway temperature and humidity
• High pressure
•Low pressure
• Ultra-low pressure (VT900)
• Ultra-low flow (VT900)
• Barometric pressure
• Oxygen concentration
• Calculated breath parameters
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