User Manual for Wrist Oximeter
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5 Technical Specifications
A. Display mode：Color OLED Display
B. Power supply requirement:
2 x LR03 (AAA) alkaline batteries
or Ni-MH rechargeable batteries
Supply voltage: 3.0VDC
Continues working time (display is off): 70hours
C. Operating current: ≤40mA
D. SpO
2
Parameter Specifications
Transducer: dual-wavelength LED
Measurement wavelength:
Red light: 663 nm, Infrared light: 890 nm.
Maximal optical output power: less than 1.5mW
maximum average
Measuring range: 35~100%
Measuring accuracy:
Not greater than 3% for SpO
2
range from 70% to 100%
*NOTE: A
rms
is defined as root-mean-square value of
deviation according to ISO 9919.
E. Pulse Rate Parameter Specifications
Measuring range: 30bpm~240bpm
Accuracy: ±2bpm or ±2% (whichever is greater)
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