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Complete Aqm-399 Carbon Dioxide Co2 Monitor Indoor Air Quality Meter Temperature Humidity Tester Face Icon Colored Display With Alarm 400~5000ppm Ndir Sensor Instant 65% Discount [id6P13JS]

$16.99 $54.99 -69%

AQM-399 CO2 Monitor: Your Ultimate Indoor Air Quality SolutionIntroducing the AQM-399 Carbon Dioxide CO2 Monitor, your go-to device for ensuring optimal indoor air quality. This versatile air quality meter is designed to measure and display critical

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AQM-399 CO2 Monitor: Your Ultimate Indoor Air Quality Solution

Introducing the AQM-399 Carbon Dioxide CO2 Monitor, your go-to device for ensuring optimal indoor air quality. This versatile air quality meter is designed to measure and display critical environmental parameters such as CO2 levels, temperature, and humidity in real-time. Whether you're at home, in the office, or at school, the AQM-399 is a reliable companion to maintain a healthy and comfortable environment. With its user-friendly design and face icon for visual interpretation, understanding the air quality status has never been easier. Key features include: a large LED screen display, a 400~5000PPM NDIR sensor for accurate CO2 measurement, a simple calibration procedure, and an alarm function to alert you of any issues.

Advanced Specifications and Technical Details

The AQM-399 is equipped with a large 800mAh capacity lithium battery, ensuring long-lasting performance. It comes with a 5V micro USB charging option for easy recharging. The monitor features a low battery indicator to keep you informed of the battery status. For precise measurements, the AQM-399 offers a range of specifications: it measures CO2 levels from 400~5000PPM with a resolution of 1PPM, temperature from -10~50°C (14~122°F) with ±1°C accuracy, and humidity from 20%~85% with ±4% accuracy. The sampling time is only 1.5 seconds, making it a quick and efficient tool for air quality monitoring. Additional features include: a storage temperature range of -10~60°C (14~140°F), a weight of approximately 150gms, and dimensions of 96 x 33mm.

Practical Applications and Benefits

Whether you're looking to improve the air quality in your home, office, or school, the AQM-399 is the perfect solution. This innovative air quality monitor is ideal for ensuring a healthy living and working environment. By monitoring CO2 levels, temperature, and humidity, you can create a more comfortable and energy-efficient space. The alarm function provides immediate notifications when air quality parameters exceed acceptable levels, allowing you to take action promptly. The AQM-399 is perfect for individuals with respiratory conditions, those sensitive to allergens, or anyone looking to maintain a high standard of indoor air quality. With the AQM-399, you can: breathe easier, sleep better, and feel healthier in your daily surroundings. This essential device is suitable for a wide range of applications, making it a must-have for anyone concerned about their indoor air quality.

What Our Customers Say

January 11, 2026

Absolutely no complaints!

Very well made and reliable.

- Bruce Z..

January 11, 2026

Absolutely no complaints!

I'm happy with my product.

- Shawna Z..

January 11, 2026

Absolutely no complaints!

The best I've tried so far.

- Josephine F..

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