... 5V,4-20mA,0-10V,0-100mV,Rt,Pt100,Tc,etc.) Features:1) Signal input: AC 0- ... 4-20mA, 0-10V, 0-100mV, Rt, Pt100, Tc, etc. input combination of AC and DC. eg, AV600 ... RS232 or RS485 Modbus RTU protocol, connectable with PLC.6) Regular model: DS8-NB DS8-IDV300/75mV DS8- ... models of products, including Temperature Controller, Digital Adjustor,thermocouple (TC and RTD), Panel Meter, Sensor Meter, inductor, Power ...