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CONTEC Finger tip Pulse Oximeter Blood Oxygen meter SpO2 Heart Rate Monitor 1.Introduction CMS50Na Pulse Oximeter is a portable equipment adopting advanced technology, it mainly checks SpO2 and PR value through the finger, which provides advanced, non-invasive and scientific means for quantitative measurement of oxygen saturation. CMS50Na Pulse Oximeter is applicable for use in plateau area, community healthcare, oxygen bar, Fitness clubs, physical training room, family and medical institution, etc. 2.Features 1) Can measure SpO2 and Pulse Rate accurately 2) SpO2 and Pulse Rate display,Pulse Rate waveform and bar graph display 3) Battery voltage low indication 4) The display mode can be changed. 5) Screen brightness adjustable 3.Performance SpO2 measurement range: 0%~100% Accuracy: 70%~100%: ±2% 0%~69%: unspecified PR measurement range: 30bpm~250bpm Accuracy: ±2bpm or ±2%, whichever is greater. Resolution: SpO2: 1% PR: 1bpm Measurement Performance in Weak Filling Condition: SpO2 and pulse rate can be shown correctly when pulse-filling ratio is 0.4%. SpO2 error is ±4%, pulse rate error is ±2 bpm or ±2%, whichever is greater. Resistance to surrounding light: The deviation between the value measured in the condition of man-made light or indoor natural light and that of darkroom is less than ±1%. Working current: ≤30mA Power supply: two “AAA” batteries Safety classification: type BF applied part 4.Physical characteristic Dimension: 57mm(L) × 34mm(W) × 31mm(H) Buy Safe Product! The following FDA Disclaimer is required for all eBay listing in Healthcare category and is included for REFERENCE: The sale of this item may be subject to regulation by the U.S. Food and Drug Administration and state and local regulatory agencies. If the item is subject to FDA regulation, We will verify your status as an authorized purchaser of this item before shipping of the item. Shipment 1. We will ship the item within 48 hours after receiving your payment, please kindly leave your detail shipping address and telephone number, both are very important for the shipment,thank you. 2.We will upload the tracking number after shipment,you can search from both ebay and paypal.You can track online. 3. If you haven't received the item after 2 weeks of your payment, please contact me immediately! Terms of Sale 1.If you have a defective item, you want to return or discount. Please contact us within 14 days from you receive the shipment.All return items must be returned with it's original packaging and accessories. Customer is responsible for shipping charges on returned items. 2.we will refund the money to you when we get the return items. Or replace item for you. We will deal with the refund in 2 business days when we get the info from you.Please read our trade Policy before buy , if you don't agree our trade policy please don't buy it. International Buyer--Please note: Import duties,Taxes are not included in the item price.These charges are buyers' responsibility We are the manufacturer of medical equipment for 17 years, the following are our main products: ECG / ECG holter EEG / EEG Holter B-ultrasound Patient Monitor Fetal doppler Fetal Monitor Spo2 Monitor Stethoscope Medical Image.... Agent in the world! We are look for partners in the world now! Do you want to become our agent in you conutry? Join US! Skype:xuebox3 contec.med.mary # hotmail dot com Only English User Manual,Please contact us if you need other language version.thank you