• Measures PEF and FEV1
• FEV1 has less diurnal variability and is less effort dependent than PEF
• Displays % of personal best for both PEF and FEV1
• PEF and FEV1 zones can be personalised
• Automatically assesses test quality
• Automatically stores best values
• Large, easy to read display
• Stores 600 test sessions
• Suitable for use in clinic with Vitalograph Bacterial Viral Filters (eco BVF)
• Uses long life AAA batteries
• Language independent
• Child version measures PEF, FEV0.5, FEV0.75 and FEV1
