JUANJUAN CO2 Detector

WIFI Indoor CO2 Detector Air Quality Monitor User Manual

Model: CO2 Detector

1. Introdución

Thank you for choosing the JUANJUAN WIFI Indoor CO2 Detector Air Quality Monitor. This device is designed to provide real-time monitoring of various indoor air quality parameters, including Carbon Dioxide (CO2), Formaldehyde (HCHO), Total Volatile Organic Compounds (TVOC), temperature, and humidity. With its clear digital display, intelligent alarm system, and Wi-Fi connectivity for app control, it helps you maintain a healthy indoor environment.

WIFI Indoor CO2 Detector Air Quality Monitor showing CO2, HCHO, TVOC, Temperature, and Humidity readings on its screen and a connected smartphone app.
The Air Quality Detector displaying various environmental parameters and its companion mobile application.

2. Características clave

  • Monitorización 5 en 1: Simultaneously measures CO2 concentration, HCHO value, TVOC value, temperature, and relative humidity.
  • Pantalla dixital clara: Large screen with backlight for easy reading, supporting multiple display modes and an alarm function.
  • Alta precisión: Utilizes air semiconductor and infrared sensors, combined with a high-performance chip for precise detection. Features an NDIR gas sensor for higher accuracy, longer service life, and reduced fluctuation.
  • Control da aplicación Wi-Fi: Connects to a mobile application via Wi-Fi for synchronous data reading and control, compatible with iOS and Android systems.
  • Batería recargable incorporada: Equipped with a 1200mAh lithium battery for low power consumption and long endurance.
  • Aplicación ampla: Suitable for various environments including homes, offices, schools, warehouses, and agricultural settings.
  • Automatic Monitoring: No calibration required at startup; the device performs automatic monitoring.
  • Scientific Design: Four-side openings enhance air circulation, improving heat dissipation and detection accuracy.
  • Intelligent Alarm System: Provides alerts for excessive CO2 levels.
Nine function icons including CO2, TVOC, HCHO detection, hazard assessment, temperature and humidity detection, intelligent alarm system, gas recognition algorithm, multiple anti-interference, and automatic calibration.
Acabadoview of the nine key functions of the air quality detector.

3. Guía de configuración

3.1. Contido do paquete

Contents of the product package including the Air Quality Monitor, USB Cable, and User Manual.
Ensure all items are present in the package.

Before using your device, please ensure all items are present:

  • 1 x Monitor de calidade do aire
  • 1 cable USB (tipo C)
  • 1 x Manual de usuario

3.2. Acendido e carga iniciais

Connect the device to a power source using the provided Type-C USB cable. The device has a built-in 3.7V, 1200mAh Lithium Battery. For the first use, it is recommended to fully charge the device.

3.3. Montaxe na parede (opcional)

The device features a wall-mounted design for convenient placement. Use appropriate hardware (not included) to secure it to a wall.

Image showing the back of the air quality detector with keyholes for wall mounting.
The device can be easily mounted on a wall using the integrated keyholes.

3.4. Emparellamento de aplicacións

The device is a smart device and can be connected to a mobile application for enhanced functionality.

  1. When you first power on the device, it will automatically enter pairing mode. The Wi-Fi icon in the upper left corner of the display will flash.
  2. Download and open the companion mobile application (e.g., "Smart Life" or similar, as shown in the video). Register an account and log in.
  3. The app should automatically detect the device and a dialog box will pop up. Click "Add" to initiate the pairing process.
  4. Follow the on-screen instructions in the app to complete the pairing. You may need to enter your Wi-Fi network password.
  5. Once successfully paired, the device will be listed in your app, and you can view various data directly.
Video demonstrating the app pairing process and data viewing.

4. Instrucións de funcionamento

4.1. Seguimento en tempo real

The device provides real-time display of CO2, HCHO, TVOC, temperature, and humidity. The CO2 level is indicated by a color-coded bar at the bottom of the screen:

  • Luz verde: 0-799 PPM (Good air quality)
  • Luz amarela: 800-1199 PPM (Moderate air quality)
  • Luz laranxa: 1200-1599 PPM (Poor air quality)
  • Luz vermella: More than 1600 PPM (Unhealthy air quality)
Real-time monitoring display showing CO2, HCHO, TVOC, Temperature, and Humidity with color-coded CO2 levels.
Understanding the real-time pollution data display and color indicators.

4.2. Comprensión das lecturas

  • CO2 (dióxido de carbono): Measures the concentration of carbon dioxide in parts per million (PPM). High levels can indicate poor ventilation.
  • HCHO (formaldehído): Measures formaldehyde concentration in mg/m³. Even low levels can cause discomfort.
  • Compostos orgánicos volátiles totais (TVOC): Detects various organic compounds like benzene, alkanes, aromatics, etc., in mg/m³. High TVOC levels can impact the central nervous system.
  • TEMP (Temperature): Displays the ambient temperature in Celsius or Fahrenheit.
  • HUMI (Humidity): Displays the relative humidity percentage.
HCHO Detection information, showing effects at different concentrations and the detection range.
Details on HCHO detection range and health impacts.
TVOC Detection information, showing types of compounds detected, main hazards, and the detection range.
Details on TVOC detection range and associated health hazards.

4.3. CO2 Level Hazards

Chart illustrating hazards caused by excessive CO2 content at different PPM levels, from fresh air to coma or death.
Understanding the health risks associated with various CO2 concentration levels.

4.4. Función de alarma

The device features an intelligent alarm system. An alert sound will be issued if the CO2 concentration exceeds 1500 PPM. You can adjust the CO2 alarm value and toggle the alarm switch within the mobile application.

4.5. App Functionality

After pairing, the mobile app allows you to:

  • View real-time data for all parameters.
  • Access historical data logs (Day, Month, Year) for CO2, HCHO, TVOC, and Temperature.
  • Switch temperature units between Celsius (°C) and Fahrenheit (°F).
  • Set custom CO2 alarm values.

5. Mantemento

  • Limpeza: Usa un pano suave e seco para limpar o dispositivo. Non empregues produtos de limpeza abrasivos nin solventes.
  • Coidados do sensor: The device uses an NDIR gas sensor, which is designed for high accuracy and a longer service life. Avoid obstructing the air circulation openings on the sides of the device to ensure optimal performance.
  • Almacenamento: Garde o dispositivo nun lugar fresco e seco, lonxe da luz solar directa e de temperaturas extremas, cando non o use durante períodos prolongados.
Diagram highlighting the NDIR gas sensor location and explaining its benefits for accuracy and longevity.
The NDIR gas sensor provides accurate and reliable measurements.

6 Solución de problemas

O dispositivo non se acende:
Ensure the device is fully charged or connected to a power source using the Type-C USB cable.
Wi-Fi icon is flashing but not connecting to app:
Ensure your mobile phone's Wi-Fi is enabled and connected to a 2.4GHz network. Make sure the device is within range of your Wi-Fi router. Try restarting both the device and the app, then attempt pairing again.
Lecturas inexactas:
Ensure the device is placed in an area with good air circulation and away from direct drafts, heat sources, or strong chemical fumes. The scientific layout with four-side openings is designed for optimal air intake. Avoid placing it near sources of high CO2 (e.g., directly next to a person breathing heavily) for general room monitoring. The device performs automatic monitoring and does not require manual calibration at startup.
App shows "Offline" or "No data":
Check the device's Wi-Fi connection status. If the Wi-Fi icon is not solid, the device may have lost connection. Re-pair the device if necessary, or check your Wi-Fi network.

7. Especificacións

ParámetroValor
Opcións de corBlack / White (available in 3-in-1 or 5-in-1 variants)
Rango de detección de CO2400-5000 PPM, ±50±10%PPM
CO2 Detection Accuracy1 ppm
TVOC Detection Range (5-in-1 model)0-2.0 mg/m³
HCHO Detection Range (5-in-1 model)0-0.6 mg/m³
Rango de detección de temperatura0-50℃, ±1℃
Rango de detección de humidade0-99%RH, ±3%RH
Porto de cargaType-C, 500mA
BateríaBatería de litio integrada de 3.7 V e 1200 mAh
Tamaño do elemento90 x 70 x 35 mm (3.54 x 2.76 x 1.38 in)
Peso do elementoAproximadamente 0.15 kg
Image showing the dimensions of the air quality detector: 90mm height, 70mm width, 35mm depth.
Physical dimensions of the device.

8. Consellos de usuario

  • Colocación óptima: For the most accurate readings, place the detector in a central location within the room, away from windows, doors, and direct ventilation. The scientific layout with four-side openings is designed to maximize air circulation for better accuracy.
  • Rexistro de datos: The mobile application allows you to record and view historical data for CO2, HCHO, TVOC, and temperature over periods of a day, month, or year. This feature is useful for tracking air quality trends over time.
  • No Manual Calibration Needed: The device features automatic monitoring and does not require manual calibration at startup, making it convenient to use right out of the box.
  • Conversión de unidades de temperatura: Easily switch between Celsius and Fahrenheit for temperature display directly within the app settings.

9. Garantía e soporte

9.1. Información da garantía

All products from our store come with a 1-year warranty from the date of purchase. This warranty covers manufacturing defects and malfunctions under normal use. Please retain your proof of purchase for warranty claims.

9.2. Atención ao cliente

For any questions, technical assistance, or support inquiries, please contact our customer service. All emails will be answered within 24 hours.

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