1. Uvod
The CONTEC CMS50NA Pulse Oximeter is a portable device designed for non-invasive spot-check measurement of oxygen saturation of arterial hemoglobin (SpO2) and pulse rate. It is intended for sports and aviation use only and is not a medical device. This manual provides essential information for the safe and effective operation of the device.
Pomembna opomba: This product 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.
2. Kaj je vključeno
Po odprtju paketa preverite, ali so prisotne vse komponente:
- CONTEC CMS50NA Pulse Oximeter (1 unit)
- Handy Carry Pouch (1 unit)
- 1.5V AAA Alkaline Batteries (2 units)
- Long Lanyard (Neck/Wrist Cord) (1 unit)
- Uporabniški priročnik (1 enota)

Image: All items included in the CONTEC CMS50NA Pulse Oximeter package, including the oximeter, carry pouch, batteries, lanyard, and user manual.
3. Nastavitev
3.1 Namestitev baterije
- Open the battery cover on the back of the device by sliding it downwards.
- Insert two 1.5V AAA alkaline batteries into the battery compartment, ensuring the positive (+) and negative (-) terminals align correctly with the indicators inside the compartment.
- Zaprite pokrov baterije tako, da ga potisnete nazaj na svoje mesto, dokler se ne zaskoči.

Image: The open battery compartment of the pulse oximeter, showing where to insert the two AAA batteries.
3.2 Pritrditev vrvice
- Thread the thinner end of the lanyard through the lanyard loop hole located on the side of the oximeter.
- Pass the thicker end of the lanyard through the looped thinner end and pull gently to secure.

Image: A visual guide demonstrating the three steps to correctly attach the neck/wrist lanyard to the pulse oximeter.
4. Navodila za uporabo
4.1 Merjenje
- Odprite sponko pulznega oksimetra.
- Insert one of your fingers (preferably the index or middle finger) into the rubber opening of the oximeter, ensuring it is placed correctly.
- Press the power button on the top of the device.
- Keep your hand still and avoid shaking during the measurement process.
- Vrednosti SpO2 in srčnega utripa se bodo na zaslonu prikazale v nekaj sekundah.

Image: A three-step visual guide showing how to open the clip, insert a finger, and press the power button to take a measurement.
4.2 Razumevanje zaslona
The bright TFT display shows the following information:
- SpO2: Blood Oxygen Saturation Level (displayed as a percentagin).
- PRbpm: Pulse Rate (displayed in beats per minute).
- Pulse Rate Waveform: A graphical representation of your pulse.
- Stolpični graf pulza: A vertical bar graph indicating pulse intensity.
- Indikator baterije: Prikazuje preostalo življenjsko dobo baterije.

Image: The pulse oximeter display showing SpO2 and PRbpm readings, along with the pulse waveform and bar graph.
4.3 Usmerjenost zaslona
The device features a rotatable multi-directional display. The display orientation automatically adjusts based on how the device is held, ensuring easy readability from various angles.

Image: The pulse oximeter display shown in different orientations, demonstrating its rotatable feature for easy viewing.
4.4 Samodejni izklop
The device will automatically power off after 5 seconds of inactivity or when the finger is removed from the sensor.
5. Vzdrževanje
5.1 Čiščenje naprave
- Površino oksimetra očistite z mehko krpo damps 70% izopropilnim alkoholom.
- Naprave ne potapljajte v vodo ali katero koli čistilno raztopino.
- Pred ponovno uporabo se prepričajte, da je naprava popolnoma suha.
5.2 Zamenjava baterije
Replace batteries when the low battery indicator appears on the display. Always use new 1.5V AAA alkaline batteries.
5.3 Shranjevanje
Store the pulse oximeter in its handy carry pouch in a cool, dry place, away from direct sunlight and extreme temperatures.
6. Odpravljanje težav
| Težava | Možen vzrok | rešitev |
|---|---|---|
| Po vklopu ni prikaza. | Baterije so prazne ali nepravilno nameščene. | Replace batteries or re-install them correctly, ensuring polarity. |
| SpO2 and PR values are unstable. | Finger not inserted properly, patient movement, or cold hands. | Re-insert finger, remain still, or warm hands before measurement. Ensure no nail polish. |
| "Finger Out" message displayed. | Prst ni bil zaznan ali odstranjen. | Prepričajte se, da je prst popolnoma vstavljen v senzor. |
| Zaslon je zatemnjen. | Low battery or screen protective film still on. | Replace batteries. Remove the thin protective film from the screen. |
7. Specifikacije
- Ime modela: CMS50NA
- Dimenzije izdelka: 2.24 x 1.34 x 1.22 palcev
- Teža: 3.21 unč (z baterijami)
- Zahteve glede napajanja: 2 x 1.5 V AAA alkalne baterije
- Življenjska doba baterije: Approximately 20-30 hours of continuous operation
- Vrsta zaslona: TFT zaslon
- Merilno območje SpO2: 0 % - 100 %
- Območje merjenja hitrosti pulza: 30 utripov na minuto - 250 utripov na minuto
- Samodejni izklop: Po 5 sekundah neaktivnosti
- Proizvajalec: Contec Medical Systems Co., Ltd.
8. Garancija in podpora
Za informacije o garanciji in podporo strankam se obrnite na uradno spletno stran podjetja CONTEC. webspletno mesto ali se obrnite na prodajalca. Račun shranite kot dokazilo o nakupu.
Pravna izjava o omejitvi odgovornosti: This product is intended for sports and aviation use only. We are the direct manufacturer, there is a clear screen protector which can be removed before use.
Za dodatne vire se lahko obrnete na Uradni uporabniški priročnik (PDF).
9. Uradni videoposnetki izdelkov
How to take measurements with CONTEC50NA pulse oximeter?
Video: An official demonstration by Contec Medical Systems Co., Ltd. showing the correct procedure for taking measurements with the CMS50NA pulse oximeter.





