DM502 O3 Tester Air Quality Monitor Gas Analyzer Ozone Concentration Detector Formaldehyde TVOC PM Temperature Humidity Sensor
Features：
This product is a multi-functional air quality detector that can detect total ozone (O3) volatile organic compounds (TVOC), particulate matter <2.5 microns in size (PM2.5 / 1.0 / 10), temperature and humidity, clock and recording Features. As a scientific air quality detection device, it combines multiple air sensors with built-in sensors. The fan can monitor ozone (O3), total volatile organic compounds (TVOC), PM2.5 / 1.0 / 10, its digital The temperature and humidity on the LCD display.
Features：
2.8-inch color liquid crystal display (LCD), 320x240 pixels
User adjustable ozone (O3) alarm threshold to alert the user to increase
grade
Test variables: PM2.5/1.0/10, ozone (O3), TVOC, temperature, humidity
1200mAh large capacity lithium battery
Onboard fan draws in ambient air for more accurate real-time results
5V Micro USB charging
Low battery warning
specification
Display mode: 2.8-inch LCD screen, 320 x 240 pixels
Atmospheric pressure: 86Kpa-106Kpa
PM detection method: laser scattering
Sampling time: 1.5 seconds
Product size: 155 x 87 x 35mm
Detection temperature: -10°C to 50°C; 14°F to 122°F
Relative humidity: 20%-85%
Storage temperature: -10°C to 60°C; 14°F to 140°F
TVOC concentration unit: mg /m³
Oxygen concentration unit: ppm
Power supply: Lithium battery with a capacity of 1200 mAh; 5V DC power supply for charging
Via micro USB port
Measuring range: O3 (ozone) PM2.5 PM1.0 PM10 TVOC Temperature Humid
Product weight: 350g
Packing list：
1*air detector
1*USB cable
1*Instruction
Logistics information
Our products are located in Hong Kong, China, and the logistics speed depends on your specific location. According to our experience, it usually takes about 15-20 days of transportation time
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How to choose the correct size:
Step 1 Please measure your foot length carefully.
Step 2 Please choose the correct size according to your foot length and chinese size.
For example, If your foot length is 255 mm , you should choose the size 8.
