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: ≤25mA
Power supply: two alkaline“AAA” batteries
Safety classification: type BF applied part
Red coloured words for more comfortable readings:Large LED display.
Easy to read results indoor and outdoors
Can measure SpO2 and Pulse Rate accurately.
SpO2 and Pulse Rate display,bar graph display
Automatically detect finger position, automatically shut down after 5 seconds without finger, energy saving
Q1:We can't turn on the oximeter,even the batteries are new.
Answered:The positive and negative poles of the battery are marked at the location where the battery is installed.The two springs are on the same side, the two batteries are still need to be installed in opposite directions.If this does not work,please kindly contact the manufacturer directly.We are the direct manufacturer,CONTEC.We can offer a satisfied solution.We can re send or refund.
Q2:For any condition,please just contact the seller directly through amazon.You'll get a satisfied solution in any time.
Can monitor your SPO2 heart rate in every time,everywhere.It is suitable in plateau area, community healthcare, oxygen bar, Fitness clubs, physical training room and family, etc.
People who interested in measuring their SpO2 and pulse rate.Such as skiers, bikers,climbers and so on. We recommend to test your blood oxygen levels after doing sports.