Oxygen analyser is used to detect the oxygen level in any given gas, oxygen analyser available in ppm and percentage type. Oxygen analyser are of different ranges 0-30%, 0-100% & 0-5000 ppm, oxygen analyser has electrochemical type sensor. Oxygen analyser has digital display with 2 ppm or 0.01% resolution. Maximum operating pressure and temperature is 0.5bar and ambient plus or minus 10 degree celsius.