The patented dual colour sliders on the asmaPLAN define the management colour zones set by the healthcare professional for the asthmatic to follow. 100% is the asthmatic's best. The yellow zone will typically be set to start at 80% of the asthmatic's best while the red zone will typically start at 60%. Variability of PEFR of greater than 20% should alert the asthmatic to a possible asthma attack.
Features:
- Accurate, compact, lightweight and portable
- Robust and hardwearing
- Features comfortable integral mouthpiece
- Easily read scale markers
- Conforms to all peak flow standards including ISO23747:2007
- Suitable for adults and children
- Suitable for multi-subject use with SafeTway mouthpiece