FIG 3 (IMAGE)

Compuscript Ltd

FIG 3

Caption

(a) Photos of a humidity sensor on a commercial mask worn on the subject’s face. (b) Human respiration test of a subject by mouth at a rest state. (c) Response and recovery time of the sensor. (d)-(f) Real-time monitoring of respiratory rate by nose of a subject at a rest state. Real-time monitoring of palm moisture while (g) drinking hot water and (h) exercising.

Credit

OEA

Usage Restrictions

Credit must be given to the creator.

License

CC BY

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