Standard Peak Flow Meter, 1 Unit.

RESPIRATORY MEASUREMENT - Device designed to measure maximum expiratory flow (PEF), a parameter used to assess the maximum air exit velocity during forced expiration. ASTHMA TRACKING - Allows you to record measurements of expiratory flow and to observe its variations over time, following the instructions of a healthcare professional. MECHANICAL OPERATION - Expiratory flow meter that does not require batteries or electrical power to perform respiratory measurements. PORTABLE FORMAT - Manual device for performing respiratory checks in the environments provided by the manufacturer, following the instructions for use. INDIVIDUAL PRESENTATION - One unit of Peak Flow Meter Standard is supplied. The included accessories and measuring range must be checked according to the model on the market.