Features:
• 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 SafeTway mouthpieces
• Uses long life AAA batteries
• Easy to clean mouthpiece and flowhead