Air separation . petrochemical . chemical process . blast furnace environment . and natural gas transmission. Measuring principle United States imports of sensor technology . electrochemical principles for the use of Class L-2C micro fuel cells in the measurement of trace-gas oxygen. The oxygen sensor is the only response can be accurately monitored almost 100% of the hydrocarbons in the air like oxygen. Features 6 can be established range Accuracy . sensitivity and reliability in the industry no one can peer over Manual range conversion Specifications Range 0 to 10 ppm to 0 to 25% O2 Accuracy +/- 2% FS Response time 90% <40 S Operating temperature 0 to 50 'C System Power Supply 9.3 to 30 VDC Output 4-20mADC