Note :
when we send to you this product ，when we Forget to put English manual ，you not worry !!! you give me email ， I Will send to you english manual
How to Use
HCHO/TVOC use method:
1. Turn on the Power Switch， the detector starts to preheat， and LED screen will display the count-down.
2. Calibrate:After count-down ends， take the detector outdoors in fresh air environment for 8 minutes， and then press the button 3 seconds to calibrate to zero. After calibration， the detector is ready for use.
3. Start to detect: Take it indoors and wait for above 5 minutes to read the result， then change to the next place.(Suggested to test from low density to high)
4. After finishing detecting， turn off the power switch， and then keep it well.
● If 0.10 mg/m3115， it means air quality is bad. Now the indicator light blinks 6 times.
● If HCHO density >0.30 mg/m3 or PM2.5>250， it means air
quality is worse. Now the buzzer rings 6 times. Long press 『 mute 』button 2 seconds， now the buzzer rings one time， it means the alarm has been cancelled. Long press 『 mute 』button 2 seconds， now the buzzer rings 5 times， It means the alarm has been restored.
Technical Parameter
Display Mode:LED
Product Dimension:150*70.8*43.6mm
Product Weight:185g
Battery
Capacity:1200mAh Lithium Battery
Input:5.0V/300mA
Charging Temp.:-10℃~45℃
Operation Environment
Atmospheric Pressure:86Kpa~106Kpa
Humidity Range:20%~85%
Detecting Temp.:-10℃~45℃
Storage Temp.:-20℃~50℃
HCHO/TVOC
Test Item:HCHO and TVOC(Including benzene)in the air
Test Range:0~1.999 mg/m3 (HCHO)
0~9.999 mg/m3 (TVOC)
Detection Technique:Semiconductor Sensing Technology
Sample Mode:Diffusion Type
Density Unit:mg/m3
PM1/PM2.5/PM10
Detection Technique:Laser scattering
Test the particle diameter: 1μm，2.5μm，10μm
Sampling Time:3 seconds
Detection mode:Density (Per liter)
Detection range:0~999μg/ m3
