... meter for voltage/current(AC 0-5V,4-20mA,0-10V,0-100mV,Rt,Pt100,Tc,etc.) Features:1) Signal input: AC 0-5A, 4-20mA ... , configurable by software.4) Power supply: +12V or 24V/30mA, etc.5) Communication: RS232 or RS485 Modbus RTU protocol, connectable with PLC.6 ... , resistance, remote voltage meter, IR sensor, also act as ohmmeter.8) Size: DS4:48*48*80 DS6:48*96*80 DS8 ...