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it is 5 pins round connector
Vent Fib (fine)
P1-P2 Expand Pressure
long interval
upper and lower limit of the paramter
CONTEC SP80B Color Display Spirometer with free PC Software and APP rechargeable Fetal Monitor it is 5 pins roundIntroduction 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
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