Hand Held FingerTip Pulse Oximeter

Hand Held Pulse Oximetry Monitoring

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Pulse oximetry is a non-invasive method allowing the monitoring of the oxygenation of a patient's hemoglobin.

A sensor is placed on a thin part of the patient's body, usually a fingertip or earlobe, or in the case of an infant, across a foot. Light with red wavelengths and light with infrared wavelengths is sequentially passed from one side to a photodetector on the other side. Changing absorbance of each of the two wavelengths is measured, allowing determination of the absorbance due to the pulsing arterial blood alone, excluding venous blood, skin, bone, muscle, fat, and (in most cases) fingernail polish. Based upon the ratio of changing absorbance of the red and infrared light caused by the difference in color between oxygen-bound (bright red) and oxygen-unbound (dark red or blue, in severe cases) blood hemoglobin, a measure of oxygenation (the per cent of hemoglobin molecules bound with oxygen molecules) can be made.

Technical specifications:

• Measure SpO2 and PR accurately
• Color OLED display SpO2 and PR, Pulse waveform and bargraph display
• High brightness full color OLED can be used even in dark night
• Four viewing angles and six display modes
• Four levels adjustable brightness
• Low battery voltage indicator
• Automatic power off when signal is not available for 4 seconds
• 2 AAA batteries support 30 hours continuously
• Mini size, light weight, convenient to carry
• Widely used in hospital, home healthcare, community medical centres, alpine areas and sports healthcare etc.

 

Display	64K color OLED
SpO2	Measurement range: 35～99% Resolution: ±1% Accuracy: ±2% (70%～99%), unspecified (<70%)
Pulse rate	Measurement range: 30～255 bpm Resolution: ±1% Accuracy: ±2bpm or ±2% (select larger)
Power	1.5V (AAA size) alkaline battery x 2 Supply voltage: 2.6~3.6V
Working current	≤30mA
Interference resistance against ambient light	Deviation between SpO2 in nature indoor lighting condition and in dark room is less than ±1%
Dimension & Weight	57 (L) × 31(W) × 32(H) mm 50g (with batteries)

 

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