only costs about $160 but the syringe to calibrate it costs about $800 which consumers will not be buying
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
only uses outdated prediction equations (USA (NHANES), SBPT, ECSC, Knudson) and not the current GLI standard
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