Gas ozone o3 sensor electrochemical range 0, 1. 0ppm, 0, 5000ppm offers customization optionsresolution 0. 001 ppm 1 ppm customizable to your needsizedsmapling method diffusion/pump control method controller/infrared remote control, Allowable error 3% fs, Can be customized work method 24, Hour continuously monitoring, Response time t90 20 seconds, Can be customized recovery time 10 seconds, Can be customizedworking temp, 20 ~, 70, Standard values,,40 ~, 80, Limit value humidity 10 ~ 95% rh, Voltage 2. 5 w dc24v power 12 30vdcprotection level ip65 explosion, Proof exd ct6alarm audible light option display lcd/without lcd display cable pvvp3 1. 0mm 2 transmission distance 1000minstallation wall, Mounted ceiling, Mounted vertical pipe, Mounted, Horizontal pipe, Mounted