only costs about $160 but the syringe to calibrate it costs about $800 which consumers will not be buying and they are unlikely to take it to distributor for annual calibrations
gives a major error with PEFR% in the summary but the actual data appears reasonably correct within the limitations of the device
the volume vs time chart shows incorrect volumes on teh display but correct ones on pdf output
the current GLI standard cannot be used if you select asthma as the lung condition in which case it only allows outdated prediction equations (USA (NHANES), SBPT, ECSC, Knudson)
but it can Bluetooth output to smartphone app for saving the PDFs and also for entering your personal data such as height, age
hence would not be approved by TGA as does not comply with their essential principles in particular accuracy