XAR-OZ is a precise gas detector for monitoring ozone (O3) in the workplace. It has been designed to notify of the presence of O3 gas. XAR-OZ portable gas detector has a wide range of applications in industrial, business, home or R&D and other fields. It is useful for detection of ozone residue after d i s i n f e c t i o n. O3 Sensor Specification: 1) SensorElectrochemical sensor; 2) Sample Method Diffusion; 3) Measurement Range0~20 PPM; 4) Resolution0.1 PPM; 5) Accuracy±5%FS