DM509-O3 Handheld Portable Ozone Analyzer O3 Ozone Gas Detector Intelligent Sensor Ozone Meter

1. Function: Detect O3/temperature/humidity 2. Display mode: 2.8 inch LCD screen display, 320 x 240 pixels 3. Sampling time: 1.5 seconds 4. Power supply: 2000 mAh lithium polymer battery 5. Detection range: 0.000~5.000ppm 6. Detection principle: Electrochemistry 7. Response time: Diffusion is less than or equal to 15S 8. Repeat value: Less than or equal to +/-2% 9. Resolution: 0.001ppm 10. Insulation resistance: Greater than or equal to 20M 11. Alarm function: Sound (2-3 sounds) 12. Alarm action value: 0.3/0.6ppm (alarm on/off can be switched) 13. Test content: O3+AQI+temperature+humidity 14. Used for ozone residue detection in offices, indoors and outdoors, and after disinfection 15. 24-hour real-time monitoring 16. Material: ABS TFT screen 17. Color: Black + orange 18. Dimensions: 164 x 74 x 26MM