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Chapter 1: Instructions for Use and Installaton
The Spirometry Source
Atmospheric conditions
The atmospheric working conditions are:
•Ambient temperature between 10 and 40 ºC (50 and
104 ºF)
(The American Thoracic Society recommends 17 to
40 ºC)
• Relative humidity below 75% (without condensation)
•Atmospheric pressure from 430 to 800 mmHg