Handheld O3 Analyzer Multiple Alarms Air Detector Portable O3 Concentration Tester Multifunctional Quick Sensing Air Quality Monitor

Features:
There are multiple units, including ppm, mg/m3, Vol%, LEL%, ppb and other units to switch freely.
Full-color LCD screen, can query, record, and display data in real time.
Three kinds of concentration display modes.
Optional data storage function, supports up to 15000 data storage functions, can export data to a computer through Excel, and perform printing, editing, and icon display functions.
When the product detects that the concentration exceeds the alarm limit, the instrument will trigger an alarm state. At this time, the buzzer will emit a didi beep, the alarm light will flash regularly, and the corresponding excess number on the screen will change from white turns red and the alarm icon will appear.