Multifunctin Digital Panel Meter Universal input,0.3%F.S CT settable ... Communication:RS232 OR RS485 Modbus RTU protocol.6) Power supply:+12V or 24V/30mA,etc..7) Size: 96*48*80mm ... Temperature Controller, Digital Adjustor,thermocouple (TC and RTD), Panel Meter, Sensor Meter, inductor, Power Meter, Coulometer, Voltage Meter, Ampere Meter, Counter, Tacho Meter, Frequency Meter, flowmeter,Timer, ...