SUP-1100 is single-circuit digital panel meter with easy operation; double four-digit LED display, supporting input signals like thermocouple, thermal resistance, voltage, current , and transducer input; applicable to measurement of industrial process quantifiers including temperature, pressure, flow, liquid level, and humidity etc. Features Double four-digit LED display;7 types of dimensions available;Standard snap-in installation;Power supply: 100-240V AC or 20-29V DC;Standard MODBUS protocol;