Oximeter product features: Color LED display Blood oxygen value display range: 70 to 100% Pulse rate value display range: 30 to 240 BPM Resolution: blood oxygen saturation is 1%, pulse rate is 1BPM Accuracy: blood oxygen saturation 70% ~ 100% segment is ± 1%, less than 70% undefined, pulse rate ± 2BPM or ± 1% take large values Power requirements: 2 section 7th 1.5V alkaline battery Strong resistance to ambient light and weak perfusion Display format: LCD display: blood oxygen saturation display: 70 - 100%, four orientations, 8 modes display; (respectively for the up, down, left and right fonts) Pulse rate display: 30 - 240 BPM, 3-digit seven-segment digital display; Pulse wave display: bargraph display; Low battery voltage indication: LCD symbol. Power requirements: 2 sections of the seventh 1.5V alkaline battery, voltage adaptation range: 2.6 - 3.6 volts. Power consumption: less than 30 mA. Resolution: The blood oxygen saturation is ±1% and the pulse rate is ±1 BPM. Measurement accuracy: Blood oxygen saturation is ±2% in the 70%-100% segment, less than 70% is undefined, and the pulse rate is ±2 BPM. Measurement performance under weak perfusion: Blood oxygen and pulse rate values are correctly displayed when the pulse filling degree is 0.5%. Resistance to ambient light interference: The measured value of blood oxygen in indoor natural light and existing lighting sources is less than ±1% compared to the measured values in darkroom conditions. With function switch, it will automatically shut down after 8 seconds without finger insertion. Package include: A box [4 pieces: host lanyard manual box]
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