Introducing the HKM-945811 Air Quality Tester, a sophisticated device designed for meticulous monitoring of indoor air quality. This all-in-one meter measures crucial environmental factors, including CO2, TVOC, and HCHO levels, while also monitoring temperature and humidity. With the HKM-945811, you can take charge of your living or working environment, ensuring it remains safe and healthy.

Equipped with high-accuracy sensors, this device delivers stable performance with exceptional anti-jamming ability. Its low power consumption means you can rely on its long-lasting capabilities. The large LCD display simplifies your monitoring process by providing easy access to essential metrics at a glance—be it CO2 concentrations, TVOC readings, HCHO levels, temperature, or humidity.

The intuitive interface of the HKM-945811 includes a switchable alarm sound for added convenience. With its environmental quality judgment function, the tester communicates air quality levels based on real-time data, helping you make informed decisions about your surroundings. The built-in 1800mAh lithium battery is easily rechargeable via a USB cable, and a battery status indicator ensures you’re never caught off guard.

Specific features of the HKM-945811 include:
- CO2 measuring range: 350ppm to 2000ppm
- TVOC measuring range: 0.000 mg/m³ to 2.000 mg/m³
- HCHO measuring range: 0.000 mg/m³ to 1.000 mg/m³
- Temperature measuring range: 0°C to 90.0°C (32°F to 194°F) with accuracy of ±1°C

Weighing just 222g and featuring compact dimensions of 176mm x 73mm x 29mm, this air quality tester is portable and user-friendly, making it ideal for home, office, or any indoor setting. Stay informed and proactive about your air quality with the HKM-945811 Air Quality Tester, a practical solution for creating a healthier and safer environment.