1. Įvadas
The Protmex PTH-24D is a versatile 3-in-1 plug-in carbon monoxide (CO) detector designed to monitor air quality in your environment. It provides real-time readings for carbon monoxide concentration, ambient temperature, and humidity levels. Its plug-and-play design allows for easy installation in any standard electrical outlet, making it suitable for various indoor settings.
This device features a large, colorful display for clear readability and incorporates an audible alarm system with visual warnings to alert users to potentially dangerous CO levels. The unit is constructed with flame-retardant ABS plastic for enhanced safety.

Figure 1: Protmex PTH-24D Carbon Monoxide Detector in use.
2. Produkto ypatybės
- 3 viename stebėjimas: Detects Carbon Monoxide (CO), Temperature, and Humidity.
- „Plug and Play“ dizainas: Easy installation into standard 100-220V electrical outlets.
- High-Definition IPS Display: Clear and vibrant display of all readings.
- Audio-Visual Alarm: Sounds an alarm and flashes lights when CO levels exceed safe thresholds.
- Replaceable Plug: Features an interchangeable plug for versatile use.
- Ugniai atsparus Casing: Constructed from durable ABS plastic for safety.

Figure 2: Key features of the Protmex PTH-24D detector.
3. Sąranka ir diegimas
- Išpakavimas: Carefully remove the Protmex PTH-24D detector from its packaging.
- Plug Selection (if applicable): The device features a replaceable plug. Ensure the correct plug type for your region (100-220V, 50/60Hz) is securely attached. To change the plug, press the quick-release button and rotate to unlock.
- Vieta: Select a suitable location for the detector. It is recommended to place the detector in areas where carbon monoxide may accumulate, such as near fuel-burning appliances (furnaces, water heaters, fireplaces), in bedrooms, living areas, or in RVs. Avoid placing it directly above heat sources, in direct sunlight, or in areas with high humidity or airflow that could affect readings.
- Maitinimas: Plug the detector directly into a standard electrical outlet (100-220V). The device will power on automatically and begin its calibration sequence.
- Pradinis kalibravimas: Upon first power-up or after a reset, the device will calibrate itself. This may take a few minutes. During this time, the display may show varying readings before settling to stable environmental values.

Figure 3: The interchangeable plug feature for flexible installation.
Video 1: Demonstration of plugging in the detector and its initial display. (Source: DingYue US)
4. Naudojimo instrukcijos
4.1 Ekrano rodmenys
The HD 2.0-inch IPS display shows the following information:
- CO PPM: Real-time Carbon Monoxide concentration in parts per million (PPM).
- Temperatūra: Ambient temperature, switchable between Celsius (°C) and Fahrenheit (°F).
- Drėgmė: Santykinė oro drėgmė proctage (%).
- Įspėjimo piktogramos: Visual indicators for CO levels (Green: Safe, Yellow: Warning, Orange: Exceeded, Red: Alarm).
4.2 Mygtukų funkcijos
The device features three control buttons on the front panel:
- "U" Button:
- Short Press: Initiates a self-test.
- Long Press: Toggles temperature unit between Fahrenheit (°F) and Celsius (°C).
- Buzzer Button (Bell Icon):
- Short Press: Toggles alarm sound On/Off.
- Long Press: Flips the screen display 180 degrees for inverted outlets.
- Screen Brightness Button (Light Bulb Icon):
- Short Press: Adjusts screen brightness levels.

Figure 4: Button functions for the Protmex PTH-24D.
4.3 Signalizacijos funkcionalumas
The detector is equipped with an upgraded alarm function:
- When CO concentration exceeds 50 PPM, the screen will display a yellow icon warning.
- The device will emit an audible alarm sound of more than 85dB.
- The breathing light will flash to provide a visual alert.
- The device continuously monitors CO levels for 24 hours, even if the screen or breathing light is turned off to save energy (when CO levels are below 150 PPM).
2 vaizdo įrašas: Viršview of the detector's display and alarm features. (Source: DingYue US)
5. Recommended Usage Areas
The Protmex PTH-24D is suitable for a wide range of indoor environments:
- Namai ir butai
- Living Rooms (especially with fireplaces)
- Kitchens (where gas appliances are used)
- Bedrooms and Children's Rooms
- Svečių kambariai
- Cellars and Garages
- Pramoginės transporto priemonės (RV)
- Hotels and during domestic or international travel (due to its portable size)

Figure 5: Ideal locations for detector placement.
6. Specifikacijos
| Funkcija | Detalė |
|---|---|
| Produkto modelis | PTH-24D |
| Prekės ženklas | Protmex |
| Maitinimo šaltinis | Su laidu elektra |
| Įvesties tomastage | 100-220V, 50/60Hz |
| Gaminio matmenys | 1.18 colio gylis x 2.99 colio plotis x 2.76 colio aukštis (apytiksliai 105 mm x 55 mm x 52 mm) |
| Prekės svoris | 3.52 uncijos |
| Signalo tipas | Audible (>85dB) and Visual (flashing light, screen icons) |
| Darbinė drėgmė | 0–95 % |
| CO aptikimo diapazonas | 0-999 PPM (± 10%) |
| CO Sound Alarm Threshold | Initial Default: 51 PPM |
| Casing Medžiaga | Flame-retardant ABS Plastic |

6 pav.: Gaminio matmenys.
7. Priežiūra
- Valymas: Gently wipe the device with a soft, dry cloth. Do not use abrasive cleaners, solvents, or detergents, as these may damage the casing arba vidiniai komponentai.
- Vėdinimas: Ensure that the ventilation openings on the device are not obstructed by dust or debris.
- Reguliarus testavimas: Perform regular self-tests using the "U" button to ensure proper functionality.
8. Problemų sprendimas
- Nėra ekrano / maitinimo: Ensure the device is securely plugged into a functional electrical outlet. Check the outlet with another appliance.
- Netikslūs rodmenys: Allow the device sufficient time to calibrate after plugging in. Ensure it is not placed near strong drafts, heat sources, or in excessively humid environments.
- Signalizacijos garsai: If the alarm sounds, immediately ventilate the area by opening windows and doors. Evacuate the premises and contact emergency services if you suspect a carbon monoxide leak. Do not re-enter until the area has been deemed safe by professionals.
9. Garantija ir palaikymas
The Protmex PTH-24D Carbon Monoxide Detector comes with a 48 mėnesių gamintojo garantija.
For technical support, warranty claims, or any inquiries, please contact Protmex customer service:
- El. paštas: support@lsenlty.com
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