DM509 Handheld Indoor Air Quality Monitor PM2.5 CO2 HCHO TVOC Temperature Humidity AQI Detector

DM509 Handheld Indoor Air Quality Monitor PM2.5 CO2 HCHO TVOC Temperature Humidity AQI Detector

PM2.5 Testing Standards:
Excellent 0~35
Good 35~75
Light pollution 75~115
Moderate pollution 115~150
Heavy pollution 150~250
Severely polluted more than 250

Formaldehyde Standard:
Less than 0.100: safety range
0.101-0.200: Light pollution
0.201-0.300: Moderate pollution
0.301 or more: heavy pollution

TVOC Standard:
Less than 0.600: safety range
Achieve 0.601 or more: Exceeding the standard can cause respiratory system
Abnormal, inflamed, cancerous, etc.

Specifications:
- Product name: CO2 PM2.5 Multi-functional Air quality detector
- PM2.5 Sensor technology: Laser Scattering
- HCHO/TVOC Semiconductor sensor
- CO2 Sensor
- Temperature and Humidity sensor
- LCD screen display, 24 hours real time monitoring
- Detection range: AQI (0-500); PM2.5 (0-999ug/M³); CO2 (0-5000ppm); HCHO (0.001-1.999Mg/M³); TVOC (0.001-9.999Mg/M³)
- Power supply: rechargeable Li-battery

Package Included:
- 1 x Set of Air Quality Detector