1. Introduzione
The HOLFENRY Pulse Oximeter Fingertip is a compact, non-invasive device designed for spot-checking oxygen saturation (SpO2), perfusion index (PI), and pulse rate (PR) in adults and teenagers aged 12 and above. It is intended for sports and aviation use and is not for medical purposes. This manual provides essential information for the safe and effective operation of your device.
2. Informazioni sulla sicurezza
- This device is intended for sports and aviation use only. It is not a medical device and should not be used for diagnosis or treatment of any medical condition.
- Consult a medical professional for any health concerns.
- Keep the device out of reach of small children due to small parts that could pose a choking hazard.
- Non utilizzare l'ossimetro in un ambiente di risonanza magnetica o TC.
- Evitare di esporre il dispositivo a temperature estreme, elevata umidità o luce solare diretta.
- Non immergere il dispositivo in acqua o altri liquidi.
3. Prodotto finitoview
The HOLFENRY Pulse Oximeter features a high-definition OLED screen and a user-friendly design for quick and accurate readings.

Figura 3.1: Components of the HOLFENRY Pulse Oximeter. This diagram labels the key parts of the device, including the finger sensor, operation button, battery cover, and the display areas for oxygen saturation, pulse rate, and perfusion index.
Caratteristiche principali:
- Measures SpO2 (Blood Oxygen Saturation), PI (Perfusion Index), and Heart Rate.
- High-definition OLED screen with auto graph display.
- Fast and accurate readings within 8 seconds.
- Easy-to-use one-button operation.
- Automatic shut-down after 8 seconds of non-use.
- Compact and portable design with lanyard hole.

Figura 3.2: Key features of the HOLFENRY Pulse Oximeter. An image showing a person with a cold, emphasizing the oximeter's key features: blood oxygen, perfusion index (PI), and heart rate measurement, along with its large display, user-friendliness, included batteries, and automatic shut-down function.
4. Impostazione
4.1. Disimballaggio e contenuto
Rimuovere con attenzione tutti gli articoli dall'imballaggio. Verificare che tutti i componenti siano presenti:
- 1 x HOLFENRY Fingertip Pulse Oximeter
- 1 x cordino
- 2 batterie AAA
- 1 x Manuale utente

Figura 4.1: Product Checklist. A visual checklist of items included with the HOLFENRY Pulse Oximeter: the oximeter device, a lanyard, the user manual, and two AAA batteries.
4.2. Installazione della batteria
- Locate the battery cover on the back of the oximeter.
- Far scorrere il coperchio della batteria aperto.
- Insert the two AAA batteries into the compartment, ensuring the positive (+) and negative (-) terminals align correctly with the indicators inside the compartment.
- Chiudere bene il coperchio della batteria.
5. Istruzioni per l'uso
5.1. Effettuare una misurazione
- Assicurarsi che le batterie siano installate nel pulsossimetro.
- Aprire il clamp dell'ossimetro.
- Insert one of your fingers (preferably the index, middle, or ring finger) fully into the rubber opening of the oximeter, ensuring your nail is facing upwards towards the display.
- Rilasciare il clamp, allowing it to gently close on your finger.
- Press the operation button on the top of the device to turn it on.
- Keep your hand still and avoid movement during the measurement. Readings will appear on the display within 5-8 seconds.
- The display will show your SpO2 percentage, pulse rate (BPM), and perfusion index (PI).
- To toggle the display between different views (e.g., showing PI or heart rate prominently), press the operation button briefly while the device is on.

Figura 5.1: Fast and Reliable Measurement. A graphic illustrating the HOLFENRY Pulse Oximeter's quick measurement capability, showing a timer indicating results within 5-8 seconds.
5.2. Spegnimento automatico
The oximeter will automatically power off after approximately 8 seconds of non-use or when a finger is removed from the sensor.
5.3. Portabilità
The device includes a lanyard for easy carrying. Attach the lanyard through the designated lanyard hole on the oximeter.

Figura 5.2: Easier to Carry. A woman running outdoors, demonstrating the portability of the HOLFENRY Pulse Oximeter with its lanyard hole, allowing it to be worn around the neck.
6. Manutenzione
6.1. Pulizia
- Pulire la superficie dell'ossimetro con un panno morbido dampcon un disinfettante delicato (ad esempio alcol isopropilico al 70%).
- Do not use abrasive cleaners or immerse the device in liquid.
- Assicurarsi che il dispositivo sia completamente asciutto prima di riporlo o di utilizzarlo nuovamente.
6.2. Conservazione
- Conservare l'ossimetro in un luogo fresco e asciutto, lontano dalla luce solare diretta e da temperature estreme.
- Se il dispositivo non verrà utilizzato per un periodo prolungato, rimuovere le batterie per evitare perdite e danni.
7. Risoluzione Dei Problemi
| Problema | Possibile causa | Soluzione |
|---|---|---|
| No display after pressing button | Le batterie sono scariche o installate in modo errato. | Replace batteries or re-install them correctly, ensuring polarity. |
| Letture imprecise o instabili | Finger not inserted properly; excessive movement; cold fingers; nail polish. | Re-insert finger correctly; remain still; warm hands; remove nail polish. |
| Il dispositivo si spegne inaspettatamente | Automatic shut-down activated; low battery. | This is normal if no finger is detected. If during use, replace batteries. |
If the problem persists after attempting these solutions, please contact HOLFENRY customer support for further assistance.
8. Specifiche
| Specificazione | Valore |
|---|---|
| Dimensioni del prodotto | 3.46 x 2.76 x 1.57 pollici |
| Peso | 2.4 once |
| Numero di modello | JKS50BL |
| Batterie richieste | 2 batterie AAA |
| Intervallo di misura (SpO2) | 70-100% |
| Produttore | HOLFENRY |
| Colore | Spazio Nero |
9. Garanzia e supporto
HOLFENRY is committed to providing high-quality products. For any product-related inquiries, issues, or to learn more about our products, our professional service team is available to assist you.
Please refer to the contact information provided with your purchase or visit the official HOLFENRY websito per i dettagli del supporto.