Special Features:

C/o: copper water container w/water-level gage; drain valve; carbon dioxide absorbent container; oxygen bell w/counter balance chain; ventilometer; 3 speed recorder operated by 3 individual synchronous motors; controlled by 4 position switch during the recording paper at surface speeds of 32, 160 and 1920 mm per minute; supplied w/barium hydroxide lime 2 qt; clip nose 1; free breathing valve and bypass 1; mouthpiece rubber 3; pen recording black 5; thermometer, 0 degrees 40 degrees centigrade 1; tubing, oxygen 1; vial capacity tubing and mouthpiece 1; 9 liter, 115 volt, 2 watts, 60 hz, ac; for replacement chart, order nsn 6515-01-060-4279; for metabolism testing and the evaluation of cardiopulmonary function

Properties:

An instrument used to measure and/or record the volume of air taken into and exhaled from the lungs to determine the vital capacity of the lungs. Excludes meter, peak flow, spirometery.