Benedict Roth Recording Spirometer – BMR Appratusa

PI-356 BENEDICT ROTH RECORDING SPIROMETER (BMR APPRATUS)
PI-357 DOUBLE BENEDICT ROTH RECORDING SPIROMETER [BMR APPRATUS]PI-358 Portable Steel Table
For determination of basal metabolism, by measurement of oxygen consumption. The 6-liter capacity float is fitted with chain compensated counterbalance. A thermometer is fitted on the float. movements of the float are recorded by means of a gravity writing ink pen, adjustable by a lever at the bottom. Valves are enclosed and are easily accessible. Soda-lime container, with screw connection in the center chamber. Drain cocks to all the tubes and container. Sampling cock is provided at the mouth-piece to connect the subject to the spirometer or the atmosphere. The recording cylinder (12” x 6”) is of the lift-off type and is driven by an electrical unit, giving two speeds viz: one revolution in 20 minutes, and one rev. Nos 4 minutes. speed change through a lever. Pilot lamp to act as an indicator. The unit is fitted on a portable metal frame and is supplied complete with valves, tubes, mouthpiece, nose clip, ink writing pen, and 50 charts.