... Input: regular:4-20mA/0-75mV/0-10V or others 2 alarm outputs&sensor power Conect to PC,PLC. DS8A ... (connectable to PLC,PC)Features: 1)Signal input: regular:4-230mA/0-75mV/0-10V others: DC 0-100V, AV 0-300V, ... J/S/E, etc..2)Accuracy: 0.3%, high sampling rate, applicable to most sensors, and measure current/voltage ... AC/DC, for example, AV 0-600V,AA 0-5A,easyy to operate.3)Isolated 4-20mA/20-4mA ...