Modbus RTU dissolved oxygen sensor (DO) BH-485-DO

digitalreal-time

BH-485-DO Digital Dissolved Oxygen Sensor ■Summary BH-485 series online dissolved oxygen electrode，adopt original battery type oxygen sensing electrode, and internal electrode to achieve the automatic temperature compensation and digital signal conversion. With rapid response, low maintenance cost, real-time online measurement. The electrode adopt the standard Modbus RTU (485) protocol, 24V DC power supply, four wire mode, can be very convenient to access to sensor networks. ■Features ·The on-line oxygen sensing electrode, can work stably for a long time. ·Built in temperature sensor, real-time temperature compensation. ·RS485 signal output, strong anti-interference ability, output distance up to 500m. ·Using the standard Modbus RTU (485) communication protocol ·The operation is simple, the electrode parameters can be achieved by remote settings, remote calibration of electrode ·24V - DC power supply. ■ Technical specifications Model BH-485-DO Parameter measurement Dissolved oxygen,temperature Measure range Dissolved oxygen：（0~20.0）mg/L Temperature：（0~50.0）℃ Basic error Dissolved oxygen：±0.30mg/L Temperature：±0.5℃ Response time Less than 60S Resolution Dissolved oxygen：0.01ppm Temperature：0.1℃ Power supply 24VDC Power dissipation 1W communication mode RS485(Modbus RTU) Cable length Can be ODM depend on user’s requirements Installation Sinking type, pipeline, circulation type etc. Overall size 230mm×30mm Housing material ABS