| Item | Specification |
|---|---|
| Volume range | at least 8 litre volume displacement |
| Resolution | 25ml |
| Mouth pressure | less than 0.6 kPa |
| Calibration | calibrated syringe (3 litre) |
A spirometer is an apparatus for measuring the volume of air inspired and expired by the lungs.
A spirometer measures ventilation, the movement of air into and out of the lungs.
The spirogram will identify two different types of abnormal ventilation patterns, obstructive and restrictive.
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