We offer dissolved oxygen controller. applications:dissolved oxygen measure in industrial boiler inlet water, industrial ferment measure, water measure of environmentprotectionfeatures:some of the data can be set, such as elevation, salinity etc;automatic temperature compensationmemory function in case of power off, no need to reserve abattery, data can be saved for more than 10 yearsisolated, double channels 420ma output, digitalcommunication terminal pt 1000 temperature compensation component, with temperature controlcommunication functiondouble channels oct configuration control output, with pulsefrequency conversion output function, highlow limit alarmdc 24v power supply , which meet the safety regulation evenin damp site, technical data:measure range: 0.0019.99mgl; 0.0199.9%resolution: 0.01 mgl 0.01%accuracy: 1.5% fsautomatic temperature compensation: 045output signal: isolated 420ma outputworking environment temperature: 050, humidity: 90%rh maxcontrol output mode: occontactor capacity: 80mapower supply: acdc 24v15%protection level: ip65when the back cover was coveredoutline dimension: 96mm96mm105mm(hwdhole size: 91mm91mmhw fix mode: panel mounting model high concentration low concentrationmeasuring range 050ppmm3, 0100mgm302000ppbm3, 04mgm3mini measuring capacity 0.1ppmm3, 0.2mgm33ppbm3, 0.006mgm3acquisition gas 50mlminute 250mlminuteresponse time 3 minutes, 90%accuracy 10% f.sprecision of analysis 3% f.spower requirements 220v50hz. weight 5kg.