1. Alaye Aabo pataki
Please read all instructions carefully before using this device. Failure to follow these instructions may result in inaccurate readings or device malfunction.
- This device is intended for sports and aviation use only. It is not a medical device and should not be used for medical diagnosis or treatment.
- Jeki ẹrọ naa kuro ni arọwọto awọn ọmọde kekere.
- Ma ṣe lo ẹrọ naa ni agbegbe MRI tabi CT.
- Do not use the device on fingers with nail polish, artificial nails, or open wounds, as this may affect accuracy.
- Rii daju pe batiri naa wa ni polarity nigba fifi sori ẹrọ lati yago fun ibajẹ.
2. Ọja Ipariview
The CRFISH Fingertip Pulse Oximeter is a portable, non-invasive device designed for spot-checking blood oxygen saturation (SpO2) and pulse rate (PR) at home, during sports activities, or in aviation settings.

Àwòrán 2.1: Àwọn Ohun Pàtàkì. This image highlights the device's accurate SpO2 and PR measurement, reliable resistance to light interference, high-definition LED screen, quick readings (5-8 seconds), suitability for all finger sizes, ±2% SpO2 accuracy, light and portable design, and operating humidity range of 30% to 80%.

Figure 2.2: Product Features and Display. The display shows Blood Oxygen Saturation (%SpO2), Pulse Rate Value (BPM), a Pulse Column (plethysmograph), and the battery indicator. The device features a single action button for operation.
3. Eto
3.1 Ṣiṣii silẹ
Fi ìṣọ́ra yọ gbogbo àwọn èròjà kúrò nínú àpótí náà. Àpò náà gbọ́dọ̀ ní:
- 1 x CRFISH Fingertip Pulse Oximeter
- 1 x Lanyard
- 1 x Itọsọna olumulo
3.2 Fifi sori batiri
The device requires two (2) AAA batteries (not included).
- Wa ideri iyẹwu batiri ni ẹhin ẹrọ naa.
- Press down on the cover and slide it off to open the compartment.
- Insert two AAA batteries according to the polarity indicators (+ and -) inside the compartment.
- Slide the battery cover back on until it clicks into place.

Àwòrán 3.1: Fífi Batiri Sílẹ̀. This diagram illustrates the correct orientation for inserting AAA batteries into the device, emphasizing matching positive and negative poles. It also shows a comparison with incorrect installation.
Video 3.1: Unboxing and Battery Installation. This video demonstrates the unboxing process of the pulse oximeter and provides a visual guide on how to correctly install the AAA batteries into the device.
3.3 Síso Lanyard pọ̀
Thread the thin loop of the lanyard through the small hole on the side of the oximeter. Then, pass the larger end of the lanyard through the thin loop and pull gently to secure it.
4. Awọn ilana Iṣiṣẹ
4.1 Gbigba Idiwon
- Ṣii clamp ti oximeter naa.
- Insert one finger (preferably the index finger) into the rubber opening of the oximeter, ensuring the finger is fully inserted and resting on the sensor.
- Tu clamp.
- Tẹ bọtini agbara lori iwaju nronu lati tan ẹrọ naa.
- Keep your hand still and avoid movement during the measurement. Readings will appear on the display within 8-10 seconds.
- To change the display orientation, press the power button briefly while the device is on.
- The device will automatically power off after approximately 8 seconds of inactivity or when the finger is removed.

Figure 4.1: Steps for Usage. This image provides a clear, four-step visual guide on how to correctly use the pulse oximeter: 1. Open the oximeter, 2. Put your finger in the device, 3. Press the switch button, 4. Wait for results.
Video 4.2: Pulse Oximeter Fingertip Operation. This video demonstrates the practical application of the fingertip pulse oximeter, showing how to place a finger in the device and obtain readings for blood oxygen saturation and pulse rate.
4.2 Oye Ifihan naa
- SpO2: Blood Oxygen Saturation level, displayed as a percentage.
- PR: Pulse Rate, displayed in beats per minute (BPM).
- Pulse Bar/Waveform: A visual representation of your pulse strength.
- Atọka Batiri: Ṣe afihan igbesi aye batiri to ku.

Figure 4.3: High Definition Bright Screen. This image illustrates the clear and bright LED display of the oximeter, designed for easy readability in various lighting conditions, including a shading design for optimal viewing.
5. Itọju
5.1 Ninu
To clean the oximeter:
- Fi aṣọ rirọ nu oju ẹrọ naa dampened with alcohol or a mild disinfectant.
- Má ṣe fi omi tàbí omi ìwẹ̀nùmọ́ sínú ohun èlò náà.
- Ensure the device is completely dry before reuse.
5.2 Ibi ipamọ
When not in use for an extended period, remove the batteries to prevent leakage and store the device in a cool, dry place away from direct sunlight and extreme temperatures.
6. Laasigbotitusita
| Isoro | Owun to le Fa | Ojutu |
|---|---|---|
| Ẹrọ ko ni tan-an | Awọn batiri ti ku tabi ti fi sori ẹrọ ti ko tọ. | Replace batteries or re-install them with correct polarity. |
| Àwọn ìwé kíkà tí kò péye tàbí tí kò dúró ṣinṣin | Finger not inserted properly, movement during measurement, nail polish, cold fingers. | Re-insert finger correctly, remain still, remove nail polish, warm hands if cold. |
| Display shows "?" or "--- | Signal too weak or absent. | Ensure proper finger placement and stillness. Try a different finger. |
7. Awọn pato
- Awoṣe: 836
- Brand: CRFISH
- Measurement Accuracy (SpO2): ± 2% (70% -100%)
- Measurement Accuracy (Pulse Rate): ± 2 irọlẹ
- Measuring Range (SpO2): 70% - 100%
- Agbara: Awọn batiri 2 x AAA (kii ṣe pẹlu)
- Ìwọ̀n Nkan: 0.05 Kilograms (without batteries)
- Àwọ̀: Rose Gold
- Olupese: Longnan RenZhong Medical Equipment Co., Ltd.
8. Atilẹyin ọja ati Support
CRFISH provides customer service for this product. If you encounter any issues or have questions regarding your pulse oximeter, please contact our customer support team. We are committed to providing friendly customer service.
For support, please refer to the contact information provided with your purchase or visit the official CRFISH webojula.
9. Lilo ati Awọn Ohun elo ti a pinnu
This pulse oximeter is designed for non-medical use, specifically for monitoring blood oxygen saturation and pulse rate during various activities. It is suitable for:
- Sports Enthusiasts: Ideal for mountain climbers, skiers, bikers, and individuals engaged in physical activities who wish to monitor their SpO2 and pulse rate.
- Aviation: Suitable for pilots and passengers to monitor oxygen levels during flights.
- General Wellness: For adults and children (ages 12 and above) interested in tracking their general health status.

Figure 9.1: Widely Used. This image demonstrates the versatility of the pulse oximeter, showing its use in sports, aviation, and by adults and children. It also highlights the comfortable silicone finger pads and the device's compact dimensions.

Figure 9.2: Health Monitoring On-the-Go. This image depicts the pulse oximeter in an outdoor, active setting, illustrating its use for monitoring health during activities like skiing. It reinforces the device's portability and convenience for use anywhere.

Figure 9.3: Advanced DSP Algorithm. This image shows the pulse oximeter in a cycling context, emphasizing its use of an advanced DSP algorithm to reduce motion effects and improve the accuracy of perfusion measurements during activity.

Figure 9.4: Light and Convenient. This image highlights the compact size and light weight of the pulse oximeter, demonstrating how easily it can be carried in a pocket for convenience.