Multifunctin Digital Panel Meter Universal input,0.3%F.S CT settable Applicable ... ,range:-1999~9999 floating point; 5) Communication:RS232 OR RS485 Modbus RTU protocol.6) Power supply:+12V or 24V/30mA ... Adjustor,thermocouple (TC and RTD), Panel Meter, Sensor Meter, inductor, Power Meter, Coulometer, Voltage Meter, Ampere Meter, Counter, Tacho Meter, Frequency Meter, flowmeter,Timer,Timer Relay, Solid ...