Vitalograph Asma-1 Respiratory Monitor A4271 The SB220 model is preferred

The SB220 model is preferred by many because of this feature and the enhanced usability design

Ø 64 mm (2

Mayo Stand Cover reinforced (59 x 141cm)

With the display window in the head piece

Vitalograph Asma-1 Respiratory Monitor A4271 The SB220 model is preferredVitalograph Asma 1 Respiratory Monitor The Vitalograph asma 1 is a simple home use electronic respiratory monitor that measures PEF and FEV1 and may be integrated with smart phone or tablet for ePRO data collection. It offers greater accuracy than mechanical peak flow meters and eliminates the need for paper record cards. Measures PEF and FEV1 FEV1 has less diurnal variability and is less effort dependent than PEF Displays % of personal best for both