1. Introduction to Carbon Monoxide and the CT-300 Detector
Carbon monoxide (CO) is a colorless, odorless, and tasteless gas produced by the incomplete combustion of carbon-containing fuels. It is highly toxic and can lead to serious health issues, including poisoning and death, when inhaled even in small concentrations over time. The TOPTES CT-300 Portable Carbon Monoxide Detector is designed to provide timely and accurate detection of CO gas, helping to protect individuals and families from this silent danger.
This manual provides essential information for the proper use and maintenance of your CT-300 detector. Please read it thoroughly before operating the device.

Obrázek 1.1: Illustration of carbon monoxide origin from burning organic matter. Carbon monoxide is a dangerous, undetectable gas.
2. Konec produktuview a Komponenty
The TOPTES CT-300 is a portable and durable carbon monoxide detector featuring an advanced electrochemical sensor for swift and precise measurements. It is equipped with both visual and audible alarms to alert users to the presence of CO gas.

Obrázek 2.1: TOPTES CT-300 Detector with included accessories.
2.1 Klíčové vlastnosti
- Vysoce citlivý senzor: Advanced electrochemical sensor for accurate CO detection from 0-5000 ppm.
- Duální alarmový systém: Visual (screen color change) and audible alarms for immediate alerts.
- Podsvícený LCD displej: Clear digital display for easy reading in various lighting conditions.
- Přenosný design: Durable ABS and PC material with anti-slip texture, ideal for home, car, campa cestování.
- Dlouhá výdrž baterie: Up to 40 hours of operation with new AAA batteries.
- Automatické vypnutí: Saves power by switching off after 10 minutes of inactivity (can be canceled).
- Indikátor nízké spotřeby: Upozorní, když je nutná výměna baterie.
2.2 Součásti balení

Obrázek 2.2: Contents of the TOPTES CT-300 package.
- 1x TOPTES CT-300 Carbon Monoxide Detector
- 1x Ochranné pouzdro
- 1x Uživatelská příručka (tento dokument)
- 3x baterie AAA (1.5V)
3. Nastavení: Instalace baterie
The CT-300 detector requires three (3) AAA batteries for operation. These are included in the package.
- Najděte přihrádku na baterie na zadní straně zařízení.
- Pomocí malého křížového šroubováku opatrně odšroubujte kryt přihrádky na baterie.
- Vložte tři baterie typu AAA a dbejte na správnou polaritu (+ a –) odpovídající označení uvnitř přihrádky.
- Nasaďte kryt prostoru pro baterie a zajistěte jej šroubem.
The device is now ready for use. A low-power indicator will appear on the screen when batteries need replacement.
4. Návod k obsluze
4.1 Zapnutí/vypnutí
- Zapnutí: Stiskněte a podržte tlačítko Tlačítko napájení (red button) until the LCD screen illuminates. The device will perform a self-test.
- Vypnutí: Stiskněte a podržte tlačítko Tlačítko napájení znovu, dokud se obrazovka nevypne.
4.2 CO Measurement and Display
Once powered on, the CT-300 will continuously monitor carbon monoxide levels in the surrounding environment. The current CO concentration (in PPM - parts per million) will be displayed on the backlit LCD screen.

Obrázek 4.1: CO measurement display on the CT-300.
4.3 Indikace alarmů
The CT-300 features both visual and audible alarms to warn of dangerous CO levels.

Obrázek 4.2: Visual alarm indications on the CT-300 screen.
- When CO concentration reaches a preset alarm threshold, the screen backlight color will change (e.g., from green to orange or red).
- An urgent audible alarm will sound, indicating the presence of CO gas.
- Viz Specifikace section for detailed alarm thresholds.
4.4 Funkce Data Hold
Chcete-li zmrazit aktuální hodnotu na displeji, stiskněte tlačítko DRŽET tlačítko. Stiskněte jej znovu pro obnovení měření v reálném čase.
4.5 Automatické vypnutí (APO)
The device is set to automatically power off after 10 minutes of no CO detection or inactivity to conserve battery life. This feature can be disabled if continuous monitoring is required. Consult the full user manual for instructions on disabling APO.
5. Testování detektoru
It is recommended to periodically test the functionality of your CT-300 detector to ensure it is working correctly. You can assess its operational status using the following methods:

Obrázek 5.1: Methods for testing CT-300 functionality.
- Cigaretový kouř: In a well-ventilated area, hold a lit cigarette near the detector's sensor. The device should register a CO reading and potentially trigger an alarm.
- Burning Organic Matter: Carefully burn a small piece of paper or other organic material in a sealed, non-flammable container (e.g., a metal can) and expose the detector to the smoke. The device should react to the CO produced.
- Vehicle Exhaust: Briefly expose the detector to vehicle exhaust fumes in an open, outdoor area. The detector should show a significant CO reading.
Pozor: Perform these tests in a safe, well-ventilated outdoor environment to avoid CO exposure. Do not intentionally expose yourself to high concentrations of CO.
6. Údržba
6.1 Výměna baterie
When the low-power indicator appears on the screen, it is time to replace the batteries. Follow the steps outlined in the Nastavení: Instalace baterie section (Section 3).
- Always use new, high-quality AAA alkaline batteries.
- Nekombinujte staré a nové baterie ani různé typy baterií.
- Použité baterie zlikvidujte v souladu s místními předpisy.
6.2 Čištění
To maintain optimal performance, keep the detector clean.
- Otřete vnější část zařízení měkkým, damp tkanina.
- Do not use abrasive cleaners, solvents, or strong chemicals, as these can damage the device or sensor.
- Ensure the sensor opening is free from dust and debris. Do not insert any objects into the sensor opening.
7. Důležité bezpečnostní informace
VAROVÁNÍ: This device is designed to detect carbon monoxide gas. It is not a smoke detector, fire detector, or gas leak detector for other combustible gases. It is not a substitute for proper maintenance of fuel-burning appliances.
7.1 Potenciální zdroje oxidu uhelnatého
Be aware of common sources of CO in your environment:

Obrázek 7.1: Common sources of carbon monoxide.
- Gas stoves, ovens, and ranges
- Fireplaces and wood-burning stoves
- Water heaters and furnaces
- Barbecue grills (charcoal or gas)
- Vehicle exhaust
- Přenosné generátory
- Any fuel-burning appliance or engine
7.2 Příznaky otravy oxidem uhelnatým
Recognize the symptoms of CO poisoning, which can be mistaken for flu or other illnesses:

Obrázek 7.2: Symptoms of Carbon Monoxide Poisoning.
- Bolest hlavy
- Závrať
- Nausea/Vomiting
- Fatigue/Weakness
- Dušnost
- Zmatek
- Ztráta vědomí
If you suspect CO poisoning, immediately move to fresh air and seek medical attention.
8. Řešení problémů
| Problém | Možná příčina | Řešení |
|---|---|---|
| Zařízení se nezapne. | Baterie jsou vybité nebo nesprávně nainstalované. | Vyměňte baterie a dbejte na správnou polaritu. |
| Low-power indicator is on. | Baterie jsou vybité. | Vyměňte všechny tři baterie typu AAA. |
| Alarm se spustí často bez zjevného zdroje CO. | False alarm due to interference or sensor issue. | Move to a fresh air environment. If alarm persists, contact support. Ensure no actual CO sources are present. |
| Nepřesné nebo nekonzistentní hodnoty. | Sensor obstruction or environmental factors. | Clean the sensor area. Ensure proper ventilation. If issues persist, the sensor may be faulty. |
| Automatic Power Off (APO) activates too soon. | APO feature is enabled. | This is normal behavior. If continuous monitoring is needed, refer to the full user manual to disable APO. |
9. Specifikace
| Model | CT-300 |
| Rozsah detekce | 0-5000 PPM (Parts Per Million) |
| Typ snímače | Elektrochemické |
| Typ alarmu | Audible & Visual (LCD color change) |
| Zdroj napájení | 3 x 1.5V AAA alkalické baterie |
| Životnost baterie | Approximately 40 hours (with new batteries, usage dependent) |
| Provozní vlhkost | Až 90% RH (nekondenzující) |
| Rozměry | 2.64 x 1.38 x 6.3 palce (přibližně) |
| Hmotnost | 10.6 unce (cca) |
| Automatické vypnutí | Yes, after 10 minutes of inactivity (can be canceled) |
10. Záruka a podpora
For warranty information, technical support, or service inquiries, please refer to the contact information provided with your purchase or visit the official TOPTES webUschovejte si účtenku jako doklad o koupi pro případ reklamace.
TOPTES is committed to providing reliable products and customer satisfaction. If you encounter any issues not covered in this manual, please do not hesitate to contact our customer support team.