Digital Spirometer Display Spirometer Machine Software USB Portable

If you have any question, please contact me whatsapp: +8615003353514 Features: *Forced Vital Capacity (FVC), Forced Expired Volume in one second (FEV1), the ratio of FEV1 and FVC (FEV1%), Peak expiratory flow (PEF), 25% flow of the FVC (FEF25), 75% flow of the FVC(FEF75) and average flow between 25% and 75% of the FVC(FEF2575) can be measured. Besides, the testee condition can be shown by the ratio of the measured value and the predicted value. *Flow rate-volume chart, volume-time chart display. *Taking on the functions of data memory, deleting, uploading and reviewing. *Wirele transmiion (be applicable for SP10W) *Display trend curve. *Scaling(Calibration) *Information prompts when volume or flow goes beyond the limits. *Automatic power off when there is no operation in one minute. *Rechargeable lithium battery and with charging ts. *Battery power display.

Performance: Display mode: 1.8'' color LCD Display resolution: 160*128 Volume range: 0~10L Volume accuracy: ±3% or 0.05L (whichever is greater) Flow range: 1 L/S ~16L/S Flow accuracy: ±10% or ±0.3L/s(whichever is greater) Working current: ≤60 mA Power supply: DC3.7V rechargeable lithium battery Safety claification: internally powered equment, type BF applied part Acceories: *An User Manual *An USB data line *Disposable mouthpiece *A power adapter(optional) *A CD (PC software) *A nose cl(optional)

About shping
Shping and Packaging All it will be double checked and well packed before sending.It will be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for e areas,it may take a little longer). 

Special Announcement:
Please fill in the correct and detailed consignee, address and phone number in the order. For fast and correct delivery.If you do not receive order within 30 working days,please feel free to contact Customer Service before leaving Negative and Neutral Feedback, we will do our best to help you resoe the problem.TaxNo, you will only pay what is quoted as total cost at checkout, no more. You are not expected to pay any additional duties or taxes. If you are asked by Customs or our logistic partner to pay duties, please contact our Customer Service .

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If the product is not on good condition, You can return this product within 14 working days, please contact customer service center before returning.FeedbackYour satisfaction is our first priorityIf you receive the order and it is in good condition,we would be grateful if you would leave us 5 star Positive Feedback for the transaction.