Model 50L
Specifications:
Display mode: LED display
SPO2 measuring range:35%-100%
Pulse rate measuring range:30bpm-240bpm
Pulse waveform display: bargraph display
Low battery indication: LED display
Power supply Requirement: 1.5V(AAAsize) Alkaline Batteries×2;
Working current:=25mA
Resolution: SPO2 : 1%
Pulse Rate: 1bpm
Accuracy: SPO2 :70% to 100% ±2digits,below 70% unspecified
Pulse rate:±2bpm or ±2%(select larger)
Measurement at Low Perfusion:
The values of SPO2 and pulse rate can be displayed properly when pulse saturation is at
0.4%.
Accuracy of SPO2:±4%
Accuracy of Pulse Ratio.±2BPM or ±2% (Select Larger)
Resistance to surrounding light:
Deviation is smaller than ±1% between value of Oxyhemoglobin measured in natural lighting
indoor condition and present lighting sources and that measured in dark room.
Automatic shutdown function:The device will power off automatically within 5 seconds when there is no finger in the device.
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