TECHNO LINE WL1020 Weather Station Air Quality Monitor CO2 Temperature Humidity

The TECHNO LINE WL1020 is a professional indoor air quality monitor and weather station that measures CO2 concentration, temperature, and humidity. Featuring a clear LCD display with backlight and a traffic light CO2 indicator, it helps you maintain a healthy indoor environment. The device is powered via USB-C and includes a built-in rechargeable battery for up to 8 hours of portable use.

Advantages

Accurate NDIR CO2 sensor with automatic calibration ensures reliable readings. The traffic light system (green, yellow, red) provides instant visual feedback on air quality. Audible alarm with adjustable threshold alerts you when CO2 levels become unhealthy. Compact tabletop design fits any desk or shelf.

Suitable for

• Home offices and living rooms
• Classrooms and meeting rooms
• Healthcare facilities and waiting areas
• Any indoor space where air quality monitoring is important

Key specifications

• CO2 measurement range: 400-5000 ppm
• Temperature range: 0°C to +50°C (32°F to 122°F)
• Humidity range: 20% to 95% RH
• Sensor type: NDIR (Non-Dispersive Infrared)
• Display: LCD with backlight
• Power: USB-C (DC 5V)
• Battery: Built-in rechargeable Li-ion 2400 mAh
• Battery life: Up to 8 hours
• Color: White
• Housing: ABS plastic
• Mounting: Tabletop stand
• CO2 accuracy: ±50 ppm ±5% of reading
• Response time: <10 seconds

Recommendations

For optimal performance, place the device in a well-ventilated area away from direct sunlight and drafts. Regular calibration is automatic, but manual calibration can be performed if needed. The device is intended for indoor use only.