Product Specification:-
● Forced Vital Capacity (FVC), forced expiratory volume in one second (FEV1) to forced vital capacity
(FVC) ratio (FEV1/FVC), peak expiratory flow (PEF), forced expiratory flow at 25 % of FVC (FEF25),
forced expiratory flow at 50 % of FVC (FEF50), forced expiratory flow at 75 % of FVC (FEF75) and
forced expiratory flow from 25 %~ 75 % of FVC (FEF2575) can be measured;
● The personnel information can be set.
● Flow-volume chart, volume-time chart display.
● The data can be stored, deleted, uploaded and reviewed.
● Trend chart display.
● Health state indication.
● Calibration function.
● Over – limit prompt function for volume and flow.
● Indicate expiration within 6 seconds by indicators.
● Start measuring by one-button.
● The data can be transmitted by Bluetooth or USB cable.
● Real-time clock can be set and displayed.
● Battery power indication.
● Automatic shutdown when there is no operation within two minutes
