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. 2019 Sep 18;11(9):1518. doi: 10.3390/polym11091518

Table 2.

The specifications of the different operating modes of the respiratory simulator. PWM: Pulse Width Modulation.

Volume (mL) Mode Volume Strain (%) Speed (mm/s) RR (BPM) Volume Flow Rate (mL/s)
200 PWM 150 PWM 200 PWM 150 PWM 200 PWM 150 PWM
43.3 1 17.3 101.5 52.2 154.2 58.2 219.7 113.0
100.6 2 40.3 101.5 52.2 70.2 31.8 219.7 113.0
149.4 3 59.7 101.5 52.2 51 23.46 219.7 113.0