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Spirometry, FRC, and DLCO (Type D), + CV and N2WO (Type DN), featuring reliable and time proven dry rolling seal spirometer, a volumetric spirometer which offers you the highest level of measurement accuracy. It assists operator with guiding messages in evaluating patient performance,
Answer Wiki. A spirometer is the standard equipment used to measure the capacity of the human lungs. There are several versions of this laboratory apparatus available, but all consist of a chamber (of capacity approximately 6 dm3)of suspended freely over water and counterbalanced so that gas passed in or drawn out makes the chamber rise or fall.