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CMS50QB Fingertip Pulse Oximeter
Display Mode：0.96"Dual-color OLED display
SpO2 Measuring Range：0%～100%, (the resolution is 1%).
Accuracy：70%～100%：±2%, Below 70% unspecified.
PR Measuring Range：30bpm～250bpm, (the resolution is 1bpm)
Accuracy：±2bpm or ±2% (select larger)
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% (select larger).
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%.
Power Consumption：less than 80mA
Voltage: DC 3.6V～4.2V
Power Supply: Voltage 3.6 rechargeable lithium battery × 1
Battery working hour: 6 hours
Battery working life: Charge and discharge no less than 300 times.
Safety Type: Interior Battery，BF Type
Sell in standard
a hanging rope
a user manual
One rechargeable lithium battery
Charge accessories: One power adapter, one charger, one data line
Dimension: 46(L) × 40(W) × 29(H) mm
Weight: About 35g (with a rechargeable battery)