IndustrialDissolvedOxygenTransmitter:Parameter:Range:Resolution:Accuracy:DO(ppm)0.00to40.00ppm0.01ppm 0.2%ofspanDO(airsaturated)0.0to500.0%0.1% 0.2%ofspanTemp-10.0to120.0 C0.1 C 0.1 CDO: SalinityCompensation:Manual0.0to40.0ppt PressureCompensation:Manual640to1100mBar TemperatureCompensation:Auto-10.0to50.0 CTemperature: TemperatureSensor:Thermistor,10.00kohmat25 C4-20mAAnalogOutput: CurrentOutputRange:4to20mA(isolated),programmablespan CurrentOutputScale:Userprogrammable,linearorlog MaximumLoad:500ohm Accuracy: 0.02mA IsolationVoltage:500VDCRelays: ControlType:5ON/OFFcontrols RelayOutput:5Aat115VACor2.5Aat220VAC,resistiveloadonlyPowerSupply:115VACor230VACat50/60HZSecurity:4-digitpasswordAudioFeedback:AllTouchKeysCommunication:RS-485Fuse:0.315A/250VACat50/60HzDisplay:128x64graphicalLCDwithbacklightAmbientTemp.Range:0to50 CCase:IP65,1/4DINcase,148mmdepthWeight:950g