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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,
One is using a psychrometer, which measures the dry bulb (actual air) temperature and what is called a wet-bulb temperature. This is done by placing a wet material over one of the temperature sensors and ventilating it, causing the temperature to drop due to evaporation of the water from the material.