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Hand-Held pulse ox meter
display format :LCD ; Back light :LED
SPO2:35-99%; pulse ratio:30-250 BPM
Pulse ratio :30-250 BPM; Spo2 Alarm Range :0-100%
Pulse alarm range :15-300 BPM
Pulse wave: LCD graphic display
Battery voltage low indication: LCD signals
power MD90S two AA size 1.5 V Alkali battery ;
MD100 3.7 V Li-ion battery
Power consumption :less than 20mA
Resolution:11% for SPO2 and 11 BPM for pulse ratio .
Measurement accuracy :12% in stage of 70 %. 12 BPM for pulse ratio.
Measurement performance in weak filling condition :ox hemoglobin and pulse
Value can be shown correctly when pulse-filling ratio is 0.4%.
interference resistance capacity against Ambient light:
deviation is smaller than 11% between value of ox hemoglobin
measured in natural lighting indoor condition and present lighting sources and that measured in dark room.
option :ECG waveform display , heart rate , HR alarm , SD card for 24 hours
storage , RS 232 interface.