
VTSYIQI Real Time Dissolved Oxygen Meter Monitor DO tester Water Quality Tester With RS485 Modbus 4 to 20mA Relays output
About this item Economical online dissolved oxygen controller is equipped with a polarographic electrode. 1 or 2 points calibration using the air-saturated water or zero oxygen solution. Salinity and barometric pressure compensations ensure the accurate DO measurement. Automatic temperature compensation eliminates the measurement error. Setup menu allows setting the number of calibration points, measurement unit, alarm limits, hysteresis value, 4 to 20mA output, etc Economy online dissolved oxygen controller, 1 or 2 points calibration, 4 to 20mA outputs. The meter is suitable for monitoring the dissolved oxygen and % saturation of oxygen in water. Features: • Economical online dissolved oxygen controller is equipped with a polarographic electrode. • 1 or 2 points calibration using the air-saturated water or zero oxygen solution. • Salinity and barometric pressure compensations ensure the accurate DO measurement. • Automatic temperature compensation eliminates the measurement error. • Setup menu allows setting the number of calibration points, measurement unit, alarm limits, hysteresis value, 4 to 20mA output, etc. • Reset function automatically resumes all settings back to the factory defaults. Dissolved Oxygen : Range : 0.0~20.0mg/L Accuracy : ±0.5mg/L Resolution : 0.1mg/L % Saturation of Oxygen : Range : 0.0~200.0% Accuracy : ±2.0% Resolution : 0.10% Communication : Signal Output : 4~20mA Load : Max. 500Ω Low or High Alarm : 0.00~20.00mg/L, selectable Communication Interface : RS485 Connection Terminals : Detachable screw terminals General : Calibration Points : 1 or 2 points Temperature Compensation : 0~40°C, 32~104°F, automatic Pressure Correction : 60.0~112.5kPa, 450~850mmHg Salinity Correction : 0~35g/L Environmental Conditions : Ambient temperature < 60°C, relative humidity < 80% Power : DC24V Dimensions : 96(L)×96(W)×75(H)mm Weight : 350g