... Humanistic operation interfaceIt support figure input, easily operateOver Voltage Alarm functionCharacter screen and TFT displayAbundant of interface: RS232, RS485 ... Voltage AlarmAvailableAvailableAvailableAvailableAvailableAvailableAnti-electrical Wall Available Available AvailableOver-heat Alarm AvailableAvailableAvailableAvailableInput Resistance≥1000Mohm≥1000Mohm≥500Mohm≥500Mohm≥500Mohm≥500Mohm