1. Introducció
The Smart Life 15-in-1 Air Quality Monitor (Models MT15/MT29) is a comprehensive device designed to detect and monitor various environmental parameters in your home or office. This intelligent monitor provides real-time data for Carbon Dioxide (CO2), Carbon Monoxide (CO), Formaldehyde (HCHO), Total Volatile Organic Compounds (TVOC), Particulate Matter (PM0.3, PM1.0, PM2.5, PM10), Temperature, Humidity, and Air Quality Index (AQI). Equipped with Tuya WiFi connectivity, it allows for remote monitoring, smart scene creation, and historical data tracking via a dedicated mobile application.
Vídeo: Acabatview of the Smart Life 15-in-1 Air Quality Monitor, showcasing its 15 functions, 11 parameter detection, 4 utilities, WiFi intelligence, customizable intelligent scenes, new structure, appearance, and 2000mAh battery with 8 hours standby detection.
2. Característiques
- Detecció 15 en 1: Monitors CO2, CO, HCHO, TVOC, PM0.3, PM1.0, PM2.5, PM10, Temperature, Humidity, and AQI.
- Connectivitat intel·ligent: Tuya WiFi integration for APP real-time monitoring and smart scene creation.
- Pantalla multifuncional: Features a 2.8-inch TFT display that also functions as a digital clock with temperature and humidity data.
- Accurate & Sensitive: Equipped with a high-performance processor, intelligent optimization algorithm, and high-precision sensors for quick and efficient identification of pollutants. Data refreshes every 1 second.
- Dades històriques: Records and displays historical data curves for 10 indicators (Temperature, Humidity, CO2, PM2.5, PM10, TVOC, PM0.3, PM10, CO, HCHO) by year, month, and day via the app.
- Alarmes personalitzables: Set alarm thresholds for various parameters, with visual (color change) and audible (buzzer) warnings.
- Llarga vida útil de la bateria: Integrated 2000mAh battery provides over 8 hours of standby detection.
- Certificacions: CE, FCC, RoHS, pse, weee certified.

Imatge: Visual representation of the 15 functions of the air quality detector.

Imatge: The monitor's multifunctional display, showing it can act as a digital clock with temperature and humidity, and offers adjustable brightness.

Imatge: Details on the accurate detection capabilities, highlighting the high-performance processor, intelligent optimization algorithm, and high-precision sensor.
3. Contingut del paquet
Marqueu la casella per als elements següents:
- 1 x Smart Life Air Quality Monitor
- 1 x cable de càrrega USB (tipus C)
- 1 x Manual d'usuari
Note: A USB power adapter is not always included and may be optional in some SKUs.

Imatge: The Smart Life Air Quality Monitor, user manual, and USB charging cable as included in the package.
4. Especificacions
| Paràmetre | Valor/Interval |
|---|---|
| Números de model | MT15/MT29 |
| Paràmetres de detecció | CO2, CO, HCHO, COVT, PM0.3, PM1.0, PM2.5, PM10, temperatura, humitat, ICA |
| Interval de mesura de CO2 | 400-5000 ppm |
| CO Measurement Range | 0-9999 PPM (±10PPM) |
| HCHO Measurement Range | 0-1.99 mg/m³ (±0.05) |
| TVOC Measurement Range | 0-9.99 mg/m³ (±0.05) |
| PM2.5 Measurement Range | 0-999 µg/m³ (±10) |
| PM1.0 Measurement Range | 0-999 µg/m³ (±10) |
| PM10 Measurement Range | 0-999 µg/m³ (±10) |
| PM0.3 Measurement Range | 0-999 µg/m³ (±10) |
| Mostra | 2.8-inch TFT LCD Screen |
| Connectivitat | WiFi + Tuya |
| Bateria | 2000 mAh (recarregable) |
| Standby Detection Time | Més de 8 hores |
| Tipus de càrrega | Type-C, 5V DC |
| Dimensions (A x A x P) | 7.00 cm x 9.00 cm x 3.50 cm (2.76 polzades x 3.54 polzades x 1.38 polzades) |
| Pes | 0.295 kg |
| Certificacions | CE, FCC, RoHS, PSE, WEEE |

Imatge: Physical dimensions of the Smart Life Air Quality Monitor.
5. Setup and App Integration
To fully utilize the smart features of your Air Quality Monitor, integrate it with the Tuya Smart Life app.
5.1 Configuració inicial i instal·lació de l'aplicació
- Instal·leu l'aplicació: Cerca "Graffiti Smart App" or "Graffiti Intelligence" (also known as Tuya Smart or Smart Life app) in your phone's app market and install it.
- Registra't/Iniciar sessió: Registreu un compte o inicieu sessió si ja en teniu un.
5.2 Device Pairing (WiFi)
- Activa el mode de vinculació: In an area with a stable WiFi signal, turn on the device. Within 2 minutes of powering on, press the power button 5 times rapidly. The WiFi symbol on the device's screen will flash, indicating that the pairing link is in progress.
- Afegeix un dispositiu a l'aplicació: Open the mobile Graffiti Smart App, tap "Add Device", and search for the WiFi device. Once discovered, tap to add it.
- Connecteu-vos a WiFi: Select your WiFi network, enter the password, and tap "Next" to complete the pairing connection.
- Confirmació: Upon successful connection, the WiFi symbol on the device will stop flashing.
5.3 Funcions de l'aplicació
Once connected to the app, you can:
- Switch the temperature unit between Celsius (°C) and Fahrenheit (°F).
- Turn on/off device sounds.
- Set device alarms, timers, and sleep times.
- Customize parameter alarm values.
- View historical curves of various parameters (day, month, year).
- Freely design smart living scenarios related to the device.

Imatge: Step-by-step instructions for installing the app and pairing the device via WiFi.

Imatge: The monitor and its corresponding data displayed within the Graffiti Intelligence WIFI APP.
6. Operating Instructions (Button Operation)
The device can be operated directly using its physical buttons.
- Encès/apagat: Press and hold the "power button" for more than 3 seconds to turn on. The device will preheat for 60 seconds, after which the detection will begin, and the current air quality parameters will be displayed.
- Short Press (Once): A short press of the "power button" allows you to cycle through or toggle the following functions:
- Switch the temperature unit (Celsius/Fahrenheit) on the interface (refer to Figure 1 in the image).
- Enable the timer or timer timing function on the interface (refer to Figure 2 in the image).
- Turn the buzzer on/off on the interface (refer to Figure 1 in the image).
- Reset the timer to zero on the interface (refer to Figure 2 in the image).
- When the timer/alarm goes off, its alarm sound will be turned off.
- Short Press (Twice): Press the "power button" twice in a row to access the stopwatch function (refer to Figure 2 in the image).
- Short Press (Three Times): Press the "power button" three times in a row to enter/exit the interface for time, alarm, and timer display. This also shows the preheating countdown (e.g., "Preheating Show sixty").
- Short Press (Four Times): Press the "power button" four times in a row to initiate a 120-second parameter calibration process (refer to Figure 3 in the image).
- Short Press (Five Times): Press the "power button" five times in a row to put the device into WiFi pairing mode or reset WiFi. The WiFi icon on the device will flash with a delay of about 5 seconds.

Imatge: Visual guide for conventional button operations, illustrating different display modes.
7. Environmental Pollution Index Reference
The following table provides a reference for environmental pollution index values, categorized into Green (Good), Orange (Moderate), and Red (Poor) levels. These values help in understanding the detected air quality parameters.
| Paràmetre | GREEN (Good) | ORANGE (Moderate) | RED (Poor) |
|---|---|---|---|
| AQI Air Quality | 0-100 | 100-250 | >250 |
| Diòxid de carboni CO2 | 0-900 | 900-APP (initial alarm value is default: 1500) | >Alarm value set by APP |
| Formaldehid HCHO | 0-0.06 | 0.06-APP set alarm value (initial alarm value is default: 0.08) | >Alarm value set by APP |
| TVOC volatile compounds | 0-0.8 | 0.8-1.6 | >1.6 |
| Monòxid de carboni CO | 0-100 | 100-APP (initial alarm value is default: 200) | >Alarm value set by APP |
| Particulate matter PM2.5 | 0-60 | 60-APP (initial alarm value is default: 100) | >Alarm value set by APP |
| PM10 | 0-100 | 100-200 | >200 |
| PM1.0 | 0-100 | 100-200 | >200 |
| PM0.3 | 0-100 | 100-200 | >200 |
Note: The initial alarm value is the default value, and the color (orange/red) corresponding to the parameter values of this device will change with the user's updated alarm value settings.

Imatge: Reference table for environmental pollution index levels.
8. Parameter Alarm Settings
After connecting to WiFi, you can set custom alarm thresholds for various parameters directly within the Graffiti (Tuya Smart Life) app.
Default Alarm Values:
- CO2: 1500 ppm
- QUÈ: 200 ppm
- PM2.5: 100 µg/m³
- Formaldehyde (HCHO): 0.08 mg / m³
When a parameter's detected value exceeds its corresponding alarm threshold, the device will trigger three rapid buzzer alarms with an interval of one second for each sound. Simultaneously, the parameter data on the display will change color to indicate the severity:
- Normal: Verd
- Avís: Taronja
- Alarma crítica: Vermell

Imatge: Explanation of parameter alarm default values and visual/audible indicators.
9. Manteniment
To ensure optimal performance and longevity of your Smart Life Air Quality Monitor, follow these maintenance guidelines:
- Neteja: Gently wipe the device with a soft, dry cloth. Do not use abrasive cleaners, solvents, or immerse the device in water.
- Col·locació: Place the monitor in a stable location, away from direct sunlight, extreme temperatures, high humidity, and strong vibrations. Ensure proper airflow around the device.
- Càrrega: Charge the device regularly using the provided USB Type-C cable and a compatible 5V DC power adapter. Avoid overcharging or completely draining the battery frequently.
- Actualitzacions de programari: Periodically check the Tuya Smart Life app for any available firmware updates for your device to ensure it has the latest features and performance improvements.
- Eviteu les obstruccions: Do not block the ventilation holes on the device, as this can affect sensor accuracy and device performance.
10. Solució De Problemes
If you encounter issues with your Air Quality Monitor, refer to the following common troubleshooting steps:
| Problema | Causa possible | Solució |
|---|---|---|
| El dispositiu no s'encén | Problema amb bateria baixa o potència | Charge the device using the USB Type-C cable. Ensure the power adapter is working. |
| Unable to connect to WiFi/App | Incorrect pairing steps, weak WiFi signal, incorrect password | Ensure you are in a strong WiFi signal area. Follow the "Device Pairing (WiFi)" steps carefully, pressing the power button 5 times. Double-check your WiFi password. Try resetting the device's WiFi by pressing the power button 5 times. |
| Lectures inexactes | Device needs calibration, sensor obstruction, environmental factors | Perform a parameter calibration by pressing the power button 4 times. Ensure ventilation holes are not blocked. Avoid placing the device near strong air currents, heat sources, or chemical fumes. |
| L'alarma no sona | Buzzer turned off, alarm thresholds not set | Check if the buzzer is enabled via a short press of the power button (refer to Operating Instructions). Verify alarm thresholds are set correctly in the app. |
| App not showing historical data | Device not connected to app, app synchronization issue | Ensure the device is connected to the app and has a stable internet connection. Restart the app or the device. |
11. Garantia i Suport
Per obtenir informació sobre la garantia, assistència tècnica o consultes sobre el servei tècnic, consulteu la informació de contacte proporcionada pel vostre distribuïdor o el representant oficial del fabricant. weblloc web. Conserveu el rebut de compra com a comprovant de compra.
Fabricant/Venedor: ZHIGE Technology Store
Certificacions: CE, FCC, RoHS, PSE, WEEE





