Specification for scheme board of finger clip pulse oximeter
1、 Function Description:
This scheme has the functions of SpO2, PR measurement and pulse waveform display.
2、 Electrical parameters:
Working voltage: 2 No.7 (AAA) alkaline batteries.
Static current: < 10 μ a.
Blood oxygen saturation (SpO2) resolution: 1%.
Blood oxygen saturation (SpO2) accuracy: 70% ~ 100%, ± 2%.
Pulse rate (PR) resolution: 1bpm.
Pulse rate (PR) accuracy: 30bpm ~ 250bpm, accuracy deviation ≤± 2bpm or 2% (the largest one).
Display direction: four side switching function, you can press the key to select the display direction.
Working current: < 30mA.
Duration: > 20h.