Function Specification
| Display Information | Display Mode |
| The Pulse Oxygen Saturation(SpO2) | LED |
| Pulse Rate(PR) | LED |
| Pulse Intensity (bar -graph) | LED |
| Pulse wave | LED |
| SpO2 Parameter Specification |
| Measuring range | 0%~-100%, (the resolution is 1%). |
| Accuracy | 70%~100%±2%, Below 70% unspecified. |
| Optical Sensor | Red light (wavelength is 660nm) Infrared (wavelength is 880nm) |
| Pulse Parameter Specification |
| Measuring range | 30bpm~250bpm (the resolution is 1 bpm) |
| Accuracy | ±2bpm or±2% select larger |
| Pulse Intensity |
| Range | Continuous bar-graph display, the higher display indicate the strong pulse |
| Battery Requirement |
| 1.5V (AAA size) alkaline batteries x 2 or rechargeable battery |
| Battery Useful Life |
| Two batteries can work continally for 20 hours |
| Dimensions and Weight | |
| Dimensions | 57(L) x 31(W) x 32(H) mm . |
| Weight | About 50g (with the batteries) |
Environment Requirements
Storage Environment
a) Temperature :-40℃~+60℃
b) Relative humidity :<95%
c) Atmospheric pressure :500hPa~1060hPa
Operating Environment
a) Temperature :10℃~40℃
b) Relative Humidity :s75%
c) Atmospheric pressure :700hPa~1060hPa
1) Display Format: OLED Display;
SpO2 Measuring Range: 0%- 100%;
Pulse Rate Measuring Range: 30 bpm - 250 bpm;
Pulse Wave Display: columniation display and the waveform display.
2) Power Requirements: 2 x1.5V AAA alkaline battery(or using the rechargeable
battery instead), adaptable range: 2.6V~3.6V.
3) Power Consumption: Smaller than 30mA.
4) Resolution: 1% for SpO2 and 1 bpm for Pulse Rate.
5) Measurement Accuracy: ±2% in stage of 70%-100% SpO2 , and meaningless
when stage being smaller than 70%.±2 bpm or±2% (select larger) for Pulse Rate.
6) Measurement Performance in Weak Filling Condition: SpO2 and pulse rate
can be shown correctly when pulse-filling ratio is 0.4%. SpO2 error is ±4%, pulse
rate error is +2 bpm or±2% (select larger).
7) Resistance to surrounding light: The deviation between the value measured
in the condition of man-made light or indoor natural light and that of darkroom is
less than ±1%.
8) It is equipped with a function switch. The Oximeter can be powered off in case no
finger is the Oximeter within 5 seconds.
9) Optical Sensor
Red light (wavelength is 660nm, 6.65mW)
Infrared (wavelength is 880nm, 6.75mW)
Troubleshooting
| Trouble | Possible Reason | Solution |
| The SpO2 and Pulse Rate can not be displayed normally | 1. The finger is not properly positioned. 2. The patient's SpO2 is too low to be detected. | 1. Place the finger properly and try again. 2. Try again; Go to a hospital for a diagnosis if you are sure the device works all right. |
| The SpO2 and Pulse Rate are not displayed stably | 1. The finger is not placed inside deep enough. 2. The finger is shaking or the patient is moving. | 1. Place the finger properly and try again. 2. Let the patient keep calm |
| The device can not be turned on | 1. The batteries are drained or almost drained. 2. The batteries are not inserted properly. 3. The malfunction of the device. | 1. Change batteries. 2. Reinstall batteries. 3. Please contact the local service center. |
| The display is off suddenly | 1. The device will power off automatically when it gets no signal within 5 seconds. 2. The batteries are almost drained. | 1. Normal. 2. Change batteries. |
Product Tags:
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250 Bpm Blood Oxygen Heart Rate Finger Monitor With Wrist Cord Images
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