Handheld Digital Spirometer

PRODUCT DESCRIPTION

• 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 (including height, age, sex, etc.) 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.
• Bluetooth transmission.
• Real-time clock can be set and displayed.
• Battery power indication.
• Automatic shutdown when there is no operation within two minutes.