Professional monitoring equipment often requires nearly 10,000 dollar, even if you are willing to pay, the market is still difficult to find a simple device can read multiple IAQ (indoor air quality) parameters.
Not everyone needs an air quality expert, but many people are concerned about their indoor air quality is good or bad. Do not use your nose to detect gases which may be toxic. Use the detector.
We put professional-grade sensors assembled in a simple acrylic glass case, coupled with a large LED screen. The entire device like an engineer DIY primitive tools.
Particle counter can measure six sizes from 0.3um to 10um. Real-time PM2.5 graphical data (at most 320 records within 24 hours).
Using Adafruit LCD screen. Its backlighting color gradient changes between blue and red color, which give direct visual effect on pollution levels.
Equipped with a 2000mAh rechargeable lithium battery. It can be a two-hour monitoring. Or it can connect to a USB charger for continuous on-site monitoring.