PEF-meter. On-screen converter.
PEF-meter Mini Wright. White scale! The old version of PEF-meter. Standard according to Wright-McKerrow. Gives higher values than the new EN-13826 standard. PEF-meter Mini Wright. Yellow scale. The new version of PEF-meter. Standard according to EN-13826 standard. Gives lower values than The old Wright-McKerrow standard. You need an on-screen converter to gett it right for a corect evaluation of the standard of the lungcondition. Download it from: http://www.peakflow.com/top_nav/converter/index.html It can be some difficoulties to do on the mobile/cellphone..... But works well on a laptop or a stationary computer. Do not buy the easy explanation from the doctor. An explanation that not gives a treatment. That is importent especially for females.
