Calibration of some Wright peak flow meters.
The performance of Wright peak flow meters is described using an absolute and precise calibration method. This showed errors as great as 25% with the peak flow meter and 40% with the mini peak flow meter. At large flow rates errors were less. The expected variation between individual peak flow meters was about 12%. The expected variation between individual mini peak flow meters was between 16% and 22%, depending on flow rate.
D002138:Calibration; D010366:Peak Expiratory Flow Rate / Q000295:instrumentation; D012212:Rheology / Q000592:standards*