提供指尖式和手持式血氧仪完整方案，支持LED数码管和TFT彩屏两种显示方案。采用光电容积脉搏波（PPG）技术，医疗级精度测量血氧饱和度（SpO₂）和脉率（PR），额外提供PI灌注指数，帮助判断测量信号质量。
Complete fingertip and handheld oximeter solutions supporting both LED digit and TFT color displays. Photoplethysmography (PPG) technology for medical-grade SpO₂ and pulse rate measurement, with PI perfusion index for signal quality assessment.
经典数码管显示，成本低，适合大批量生产
Classic digit display, low cost, ideal for mass production
彩色TFT屏幕，数据显示更丰富，用户体验佳
Color TFT display with richer data visualization
小巧便携，夹指即测，适合家用
Compact fingertip clip-on design for home use
BLE数据同步APP，远程健康监护
BLE data sync to APP for remote health monitoring
| 血氧范围 | SpO₂ Range | 0%-100% |
| 血氧精度 | SpO₂ Accuracy | ±2% (70%-100%) |
| 脉率范围 | PR Range | 30-250 bpm |
| 脉率精度 | PR Accuracy | ±2 bpm |
| PI指数 | PI Index | 0-20% |
| 主控 | MCU | 国产32位MCU | Domestic 32-bit MCU |
| 传感器 | Sensor | 双波长LED+PD | Dual-wavelength LED + PD |
| 显示 | Display | LED 数码管 / TFT 彩屏 | |
| 通信 | Comm | UART / BLE (选配) | |
| 电源 | Power | DC 3V / 锂电池 |
| 波形显示 | Waveform | ✓ (TFT版本) |
| 低电量提醒 | Low Battery | ✓ |
| 自动关机 | Auto-off | ✓ (8秒无信号) |
| 四向显示 | 4-Direction | ✓ (TFT版本) |
| 蜂鸣提示 | Buzzer | ✓ |
70%-100%范围内±2%精度，满足临床级血氧监测
±2% accuracy in 70%-100% range, meeting clinical-grade SpO₂ monitoring
提供PI灌注指数显示，帮助判断信号质量，避免误测量
PI index helps assess signal quality and avoid measurement errors
支持LED数码管和TFT彩屏两种方案，满足不同定位需求
Both LED digit and TFT color options for different product positioning
优化的电源管理方案，两节AAA电池可使用数千次
Optimized power management for thousands of uses on 2 AAA batteries
运动伪影抑制算法，减少手指抖动带来的测量误差
Motion artifact suppression algorithm reducing finger movement errors
夹指5-8秒即可出稳定读数，使用体验流畅
Stable reading in 5-8 seconds after finger insert for smooth experience
