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| Type | Pulse Oximeter |
| Instrument classification | Class I |
| Model Number | JR302 |
| Display | LED |
| SpO2 Measurement range | 70~99% Resolution: ±1% |
| SpO2 Accuracy | ±2% (70%~99%), unspecified (<70%) |
| Pulse Rate Measurement range | 30~240 bpm Resolution: ±1% |
| Pulse Rate Accuracy | ±2bpm or ±2% (select larger) Low Perfusion ≤0.4% |
| Power | 1.5V (AAA size) alkaline battery x 2; Supply voltage: 2.6~3.6V |
| Working current | ≤30mA |
| Automatic power-off | Automatically power off in 8 seconds when there is no signal |
| Dimension and weight | 58*32*32 mm; 70g (without batteries) |





