1. Introduktion
Thank you for choosing the Yuwell YX303 Fingertip Pulse Oximeter. This device is designed for non-invasive spot-check measurement of functional oxygen saturation of arterial hemoglobin (SpO2) and pulse rate. It is suitable for use in hospitals, homecare, outdoor activities, and sports. Please read this manual carefully before use to ensure safe and effective operation.

Image 1.1: The Yuwell YX303 Fingertip Pulse Oximeter. This image shows the compact device, typically with a display screen and a finger insertion area.
2. Sikkerhedsoplysninger
Vigtig: This device is intended for non-medical use and is not a substitute for professional medical advice or diagnosis. Consult your physician for any medical concerns.
- Brug ikke oximeteret i et MR- eller CT-miljø.
- Brug ikke oximeteret i situationer, der kræver kontinuerlig overvågning.
- Keep the device away from children. Small parts may be a choking hazard.
- Do not use the oximeter on the same arm as a blood pressure cuff or arterial catheter.
- Avoid placing the oximeter on fingers with nail polish, artificial nails, or excessive dirt, as this may affect accuracy.
- Ensure the finger is clean and dry before use.
3. Produktet er slutview
3.1. Nøglefunktioner
- Low power consumption, simple to operate, light, and portable.
- Oxygen saturation (SpO2) and Pulse Rate (PR) display.
- Automatic power-off in 8 seconds when no finger is detected.
- Pulse strength indicator.
- Strong anti-interference capability.
3.2. Visningstilstande
The device features an OLED display. It shows:
- Oxygen Saturation (SpO2) percentage.
- Pulse Rate (BPM).
- Pulse bar graph.
4. Opsætning
4.1. Batteriinstallation
- Åbn batterirummets dæksel på bagsiden af enheden.
- Insert two (2) AAA 1.5V alkaline batteries, ensuring correct polarity (+ and -).
- Luk batterirummets dæksel forsvarligt.
Enheden fungerer inden for en voltage område fra 2.6V til 3.6V.
5. Betjeningsvejledning
- Ensure the oximeter has batteries installed.
- Åbn clamp af oximeteret.
- Insert one finger into the rubber opening of the oximeter, ensuring the finger is placed correctly and comfortably.
- Slip clampOximeteret tænder automatisk og begynder målingen.
- Hold din hånd stille under målingen. Bevægelse kan påvirke nøjagtigheden.
- Read the SpO2 and Pulse Rate values displayed on the OLED screen.
- After removing your finger, the device will automatically power off after approximately 8 seconds.
5.1. Measurement Accuracy Considerations
- Iltmætning: Accuracy is ±2% for readings between 70% and 99%. For readings below 70%, accuracy is not defined.
- Pulsfrekvens: Accuracy is ±1% or ±1 BPM, whichever is greater.
- Weak Perfusion: The oximeter can accurately display oxygen saturation and pulse rate even with a pulse filling degree as low as 0.6%.
- Light Interference: Compared to measurements in a dark room, the deviation in oxygen saturation under natural light and illuminated conditions is less than ±1%.
6. Vedligeholdelse
6.1. Rensning
- Rengør oximeterets overflade med en blød kludampfortyndet med medicinsk alkohol (75% ethanol) eller isopropylalkohol.
- Enheden må ikke nedsænkes i vand eller andre rengøringsopløsninger.
- Sørg for, at enheden er helt tør, før den bruges igen.
6.2. Opbevaring
- Opbevar oximeteret et køligt, tørt sted, væk fra direkte sollys og ekstreme temperaturer.
- Fjern batterierne, hvis enheden ikke skal bruges i længere tid, for at forhindre batterilækage.
7. Fejlfinding
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Intet display efter tænding | Batterierne er døde eller forkert installeret. | Udskift batterierne, eller sæt dem i igen med den korrekte polaritet. |
| Unøjagtige aflæsninger | Finger not inserted properly; excessive movement; nail polish; cold finger. | Re-insert finger correctly; remain still; remove nail polish; warm finger. |
| "Finger ud" eller lignende fejlmeddelelse | Fingeren er ikke registreret eller placeret forkert. | Ensure finger is fully inserted into the sensor. |
8. Specifikationer
| Parameter | Værdi |
|---|---|
| Visningstilstand | OLED skærm |
| SpO2-måleområde | 70 % ~ 100 % |
| SpO2-nøjagtighed | ±2% (70%~99%), undefined (<70%) |
| Måleområde for pulsfrekvens | 25 ~ 250 BPM |
| Pulsfrekvensnøjagtighed | ±1% or ±1 BPM (whichever is greater) |
| Strømforsyning | 2 x AAA 1.5V alkaliske batterier |
| VoltagRækkevidde | 2.6V ~ 3.6V |
| Strømforbrug | Mindre end 30 mA |
| Weak Perfusion Measurement | SpO2 and PR can be displayed when pulse filling degree is 0.6% |
| Automatisk sluk | After 8 seconds of no finger use |
| Fabrikant | YUWELL |
| Modelnummer | YX303 (Internal Item No: 31681163949) |
| Pakkedimensioner | 11.52 x 7.21 x 3.8 cm |
| Vægt | 300 g (inkl. emballage) |
9. Garanti og support
For warranty information and customer support, please refer to the documentation provided with your purchase or contact your retailer. Keep your purchase receipt as proof of purchase.