Spirometer
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Rechargeable lithium battery with battery power display Automatic power off when there is no operation in one minute Forced Vital Capacity [FVC], Forced Expired Volume in one second [FEV], the ratio of FEV1 and FVC [FEV1%]. Peak expiratory flow (PEF), 25% flow of the FVC [FEF25], 75% flow of the FVC [FRF75] and average flow between 25% & 75% of the FVC [FRF2575] can be measured and display. Besides, the testee condition can be shown by the ratio of the measured value and the predicted value. Display: Flow rate -Volume chart, volume —time chart Data memory, delete, upload and review Trend chart display Scalering [Calibration] Information prompts when volume or flow goes beyond the limits Ratio of FEV1 and FVC can be measured Software interface and trend chart display Battery backup: 4 hours Max Volume: 10L Flow Range : 1L/s~16L/s Volume accuracy: ±3% or 0.05L [Whichever is greater] Flow accuracy: ±10% or 0.3L/s [Whichever is greater] The highest resistance to flow within the measurement is 6Pa/L/s,and this resistance may be occur at 14L/s
THREE BALL INCENTIVE SPIROMETER
58 Per Piece
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