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◆ Alarm functions: near end
long interval
can't use it)
Working voltage: DC 5
Get high-quality ECG waveform via power frequency filter
CONTEC SP80B Color Display Spirometer with free PC Software and APP rechargeable Fetal Monitor ◆ Alarm functions: near endIntroduction The SPIROMETER is a hand held equipment for checking lung conditions, adopts the infrared signal acquisition mode for measuring items related to FVC, and it is applicable for hospital, clinic, family for routine test. Functions 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
US$ 351.80
US$ 15.49
US$ 11.70
