***6-OXY溶解氧分析仪Theyallowtopracticallyresolveallthenecessitiesofcontrol-3set-pointwithoutputrelayOn-Off(freecontact)-4-20mAproportionaloutputsignalontheset-pointvaluewithgalvanicseparation-4-20mAoutputsignalonmeasurerangewithgalvanicseparation-adjustablehysteresysanddelaytimeonset-point1and2-proportionaltime/pausewayselectableonset-point3-“Hold”keyformaintenance-LCDdisplay-Optional:RS232connectionwithgalvanicseparation,flowsensorinput-***ailablewallmountingorelectricpanelmountingversion.***6-PHpHmeasure,controlandregulation***6-MVRedox(ORP)measure,controlandregulation***6-CLChlorinemeasure,controlandregulation***6-CDConductivitymeasure,controlandregulation***6-VDVolumetriccontroller(bywater-meterpulse-sender)***6-MPFlowratecontroller(bywater-meterpulse-sender)***6-TBTurbiditymeasure,controlandregulation***6-OXYOxygenregulator)