THE EFFECT OF REPAIRS ON THE PERFORMANCE OF THE WRIGHT RESPIROMETER

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Abstract
Respirometers are repaired in this department. They do not always retain the makers' specifications but they are clinically useful. A random selection of those in clinical use has shown that, on the average, the respirometers read 2 per cent low at low tidal volumes and 4 per cent high at high tidal volumes. Individual meters differed from the mean by up to ±15 per cent. Damage, caused by dropping, is responsible for the majority of technical failures.

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