Benedict Roth Recording Spirometer (BMR) Laboratory Equipments Supplies Description and Specifications for Lab Tenders
For determination of basal metabolism, by
measurement of oxygen consumption. The 6 litre capacity float is fitted
with chain compensated counter balance. A thermometer is fitted on the
float. Movements of the float are recorded by means of gravity writing
ink pen, adjustable by a lever at the bottom. The recording cylinder
12”x6” is of the lift-off type, and is driven by an electrical unit,
giving two speeds viz. One rev. In 20 minutes and one rev. In 4 minutes.
Speed is changed through a lever..