Spirometer Operation and Verification Techniques

To calibrate the spirometer's display screen.

To measure the temperature of the spirometer.

To ensure the spirometer's electronics read accurate signals.

To check the battery life of the spirometer.

1 liter

2 liters

3 liters

4 liters

To check the color of the spirometer's display.

To measure the speed of the spirometer.

To ensure volume measurement is independent of flow rate.

To test the spirometer's battery life.

Temperature over time

Volume over time

Flow rate over time

Pressure over time

Completely pushed in

Halfway out

Completely pulled out

At the midpoint

A bump sound

A click sound

A beep sound

A whistle sound

Flat on the lap

Held vertically

Held horizontally

Placed on a table

Holding it with both hands

Pulling it too quickly

Torquing it up or down

Pushing it too slowly

Maintain a constant speed

Start slow and speed up towards the end

Use a jerky motion

Start fast and slow down towards the end

Push the piston quickly

Use a slow and steady motion

Start and stop in a jerky motion

Pull the piston quickly