Ozone Meter O3 tester air gas analyzer ozone concentration detector with ozone sensor portableProduct NameOzone Meter O3 tester air gas analyzer ozone concentration detector with ozone sensor portableMeasureOzone PM1.0/PM2.5/PM10/TVOC/Temperature/Humidity/AQIO3 technolologyElectrochemical sensorSize155*87*35MMDetection rangePM2.5 ( 0-999 ug/M³ )O3(0.000 - 5.000 ppm)TVOC(0.001-9.999Mg/M³)Power supplyRechargeable Li-battery 1200mahColorwhiteMaterialABSDisplayTFT LCD screen displayFeatures:Laser sensor for PM2.5 to detect dust Smog.Electrochemistry sensor for O3. Semiconductor sensor for TVOC.Temperature and Humidity sensor.AQI for Integrated air quality index.Support time and date, self-calibration function.Ozone（O3）parameter:Detect gasOzone(O3)Detection range0.000~5.000ppmDetection principleElectrochemistryResponse timeDiffusion ≤15SDuplicate value≤±2 %Resolution0.001ppmInsulation resistance≥20MΩAlarm functionSound(A brief beep)Alarm action value0.1/0.3/0.6ppm (alarm on/off switchable)DM502-O3 type monitor is an intrinsically safe gas detector developed by our company for environments containing ozone gas. The detector uses natural diffusion. The gas is detected by an electrochemical gas sensor, which has excellent sensitivity and excellent repeatability.This O3 detector is ideal for health, environmental, industrial and residential monitoring. Useful for detection of ozone residue after disinfection.1. Air quality monitoring2. Industrial safety3. Air purification controlTest range : PM2.5+ O3+TVOC+ AQI+PM1.0+PM10+ Temperature+Humidity-Laser sensor-TFT screen display -320*240 pix