OZONE (O3/TVOC)  Detector

 Range:0.000~5.000PPM/m3(OZONE); 0.001~9.999mg/m3(TVOC)

 Detection Technique: Semiconductor sensing technology

 Sample Mode: Diffusion type; Density Unit: mg/m3

PPM(03)OZONE O3 alarm funtion &Datas recorded by graphic tablePM2.5 Detector

Detecting Technique: Laser scattering

 Detect the particle Diameter:  2.5PM/m3

Range:0~999μg/m3

 Sampling time: 1.5 seconds for PM2.5 record graph for PM2.5 & OZONE (O3)  Thermo/humidity

 Built-in Rechargeable Lithium battery 

Data record & data clock display 

 Allow Eng/Or Chinese display 

 With Warranty card