| Model |
8D52A、8D52B |
| Mode |
Monitoring Mode
Sleep Analysis Mode |
| Pulse Oximetry (SpO2)
|
| Display Range |
0% to 100% (Resolution 1%) |
| Accuracy |
No motion: 70% to 100% : ±2%;
Low perfusion: 70% to 100% : ±3%
|
| Method |
Dual wavelength LED (Dual wavelength LED (660 nanometers @0.8mW and 905 nanometers
@1.2mW; both as max average)) |
| Pulse Rate (PR) |
| Range |
30 to 250bpm (Resolution 1bpm) |
| Accuracy |
No motion: ±1bpm or ±1%, whichever is greater
Low perfusion: ±3bpm or ±3%, whichever is greater
|
| Auxiliary Feature |
| Perfusions Index (PI) |
0.1~20%; resolution 0.1% |
| SDNN |
successive differences between normal pulse rate at unit of millennium
second for a data period 5 minutes (Calculated from P-P interval)
|
| R-MSSD |
root mean square of successive differences between normal pulse rate at unit of
millennium second for a data period 5 minutes (Calculated from P-P interval)
|
| Alarm System (not for Sleep Analysis
Mode) |
| Beat Sound |
On/off. |
| Alarm volume |
Adjustable (1~3) |
| Mute Alarm |
Use input key for temporary mute |
| Alarm Silence Duration |
30, 90s ; Preset 90s |
| Communication Interface |
| Wireless |
Bluetooth Low Energy 4.0 |
| Cable Interface |
USB 2.0 |
| Battery |
| Main power |
2x AAA Alkaline battery |
| Wrist Band |
| Size |
Adjustable for wrist perimeter 15 ~ 21 cm |
| Material |
Silicon rubber |
| Environmental |
| Operating |
Temperature 1º~ 40º C; Humidity 10% ~ 95% non-condensing |
| Storage and Transport |
Temperature -25º~ 70º C; Humidity 10% ~ 95% non-condensing |
| Atmospheric Pressure |
700 hPa ~ 1013 hPa for both operating and storage |
| Ingress Protection |
IP55 |
