Features: * 19" standard machine case, IP65/IP54 defense degree * High stability, low excursion range, high precision that can neglect the disturbance from the back gas such as CO, CO2, SO2 and NO * High reaction speed, long longevity which is more than 10 years * Big LCD monitor display which can reflect the content, time etc. Digitalized information processed, auto-storage of the information when meet the abrupt power off, easy operation * Alarming output can set the maximum and minimum alarming point * RS232 interface that can interact with the computer * Auto adjustment to zero and auto adjust fullness degree * Have 4~20mA, 0~10mA, 0~10mV linear DC output * Small size, light weight, convenient operation, easy maintenance The advantage of the DI311 Dazhi electrochemical Oxygen analysis instrument take the use of the international high advanced electrochemical oxygen sensor to measure the content of the oxygen, which has a high identification, high reaction speed and long longevity. By absorbing foreign advanced experience, Dazhi Oxygen analysis instrument has reached the international top level. The main technical parameter: Measure range: 0-1% or 0-100% depending on the choice of the customer Target gas: O2 Linear error degree: +-0.5% FS Zero excursion: <= +/- 1% FS/6 months Measure extension excursion: <= +/- 1% FS/6 months Reaction time: T90 <10S Output: Signal: 0-10mV, 0-20mA, 4-20mA depending on the customer's needs Voltage: 220V+-22V, 50HZ+-1HZ Temperature: 0-40 centigrade thermometer Humidity: 20-80% RH Power requirement: 25W Sample gas flow: 0.5-1.0L/mins Dimension: Normal 460*494*182mm The size of the hole: 465*102mm Weight: 8.5 KG.