asmaPLAN Peak Flow Meter

Robust and hardwearing Features comfortable integral mouthpiece Suitable for adults and children Suitable for multi-subject use with SafeTway mouthpiece Variable orifice simple mechanical peak flow meter Better than 5% or 10 L/min whichever is greater repeatability Better than 5% or 10 L/min whichever is greater inter-instrument variation Daily record chart included Piston/spring and moveable pointer measuring principle A/B difference less than 15 L/min/15% frequency response Multi-language instruction sheet