Portable Dry Spirometers also known as Buhl Spirometers and Windmill Type Spirometers are a cost effective way to measure Forced Vital Capacity (FVC) from which tidal volume and expiratory reserve volume can be calculated. Reset Needle after each use by rotating dial. The Portable Dry Spirometer comes in a carry box with 50x plastic mouthpieces.
*For Fitness, Exercise & Education Purposes Only (Not A Medical Device).
Compact Lightweight Spirometer
Measures Forced Vital Capacity (FVC)
From PVC Can Calculate Tidal Volume & Expiratory Reserve Volume
Broad Measurement Range from 1000cc - 7000cc (1cubic cm = 1ml)
100cc Increments
Comes in Case with 50x Plastic Disposable Mouthpieces