Shop 1–1000 AZ/min ± 1AZ/min* or ± 2.5 %, bar, mbar, cmH 2O, Torr, inHg, hPa, kPa, mmHg, PSI, ± 1 %* or ± 10 mbar, ± 2 %* or ±0.20 mL (> 6 sL/min)