Air temperature measurements wearing Airtrim.

The temperature of inhaled and exhaled air was measured on a subject wearing the Airtrim mask in ambient temperatures of -22°C and -10°C. The measurements were made approximately 1 cm inside and outside the filter. The tables below show the values for inhaled air.
 
Asthma filter in mask.
Ambient -22°C -10°C
Standing +25°C +31°C
Walking +22°C +27°C
Running +21°C +22°C
 
Medium filter in mask.
Ambient -22°C -10°C
Standing +24°C +28°C
Walking +19°C +21°C
Running +13°C +22°C
 
Sports filter in mask.
Ambient -22°C -10°C
Standing +19°C +26°C
Walking +9°C +24°C
Running +10°C +19°C
 

The tests were carried out by the Ergonomics and Psychology Section of the National Institute for Working Life at Solna, Sweden.
Arbetslivsinstitutet
Enheten för Ergonomi och Psykologi
SE-171 84 Solna
Phone: +46 8730 9100 Fax: +46 8730 1967