13 inch 128x64 oled display module blue 7 pins spi interface diy oled screen diplay compatible for a - купить helpalt.ru  
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1 3 inch 128x64 oled display module blue 7 pins spi interface diy oled screen diplay compatible for arduino купить по лучшей цене

Combines blood oxygen probe and heart rate in single display module Lightweight and portable convenient to carry Easy to use with low-power consumption Oxygen saturation display Pulse rate and bar graph display Pulse wave display Low-voltage indicator Four directions display modes Automatically powers off in 5 seconds when finger removed - Color: Blue + black + white - Material: PVC - Quantity: 1 - Display Screen: 1.1" color OLED display resolution: 96 x 64 - SpO2: Measurement range: 70~99%; Resolution: 1%; Accuracy: 70%~99% +/- 2% unspecified <70% - Pulse rate: Measurement range: 30~240bpm Resolution: 1bpm Accuracy: +/- 2bpm or +/- 2% (select larger) - Power: 2 x AAA alkaline batteries (not included) - Power consumption: <=30mA - Working voltage: DC 3V - Measurement principle: the principle of the oximeter is as follows: - An experience formula of data process is established by exerting Lambert Beer Law according to Spectrum Absorption Characteristics of Reductive hemoglobin (R Hb) and oxyhemoglobin (O2 Hb) in glow and near-infrared zones; Operation principle of the instrument is to combine Photoelectric Oxyhemoglobin /inspection Technology with Capacity Pulse Scanning and Recording Technology so that two lights with different wavelength (660nm glow and 940nm near infrared light) can be focused onto human nail through perspective clamp finger-type sensor. Then measured signal can be obtained by a photosensitive element information acquired through which will be shown on two groups of LEDs through process in electronic circuits and microprocessor - Two color OLED display more display modes - Low-power consumption continuously four directions adjustable - Low voltage indicator - Automatically power off in 8 seconds when there is no signal - Compact design lightweight for convenient to carry - Can be used in hospital home community medical treatment sports healthcare etc. - Suitable for heart disease patient The patient with hypertension diabetes mellitus patient especially the old man pregnant woman professional athlete etc. - Packing List: - 1 x Oximeter - 1 x Strap - 1 x English user manual
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