... 0-10mA/4-20mA,configurable by software.4) Power supply:+12V OR 24V/30mA,etc..5) Communication :RS232 or RS485 ... transmitter,pressure sensor,weighing sensor,thermocouple,resistance,remote voltage meter,IR sensor,also act as ohmmeter.8) Size: DS4:48 ... can manufacture thousands of different models of products, including Temperature Controller, Digital Adjustor,thermocouple (TC and RTD), Panel Meter, Sensor ...