The Commander 250 Universal Controller is a highly versatile single loop controller in a compact 1/4 DIN size. It has all the features of the smaller C100 plus optional retransmission. It is easy to operate and set up from the front face or with Commander PC software. It comes standard to accept RTD, thermocouples, milliamp, millivolt and voltage inputs. It has a 24V DC transmitter power supply, 4-20 ma analog output, logic output and a SPDT relay output, all included. Optional features are extra relays, digital input, remote set point, RS485, and 4-20 ma retransmission. Itís front face is rated NEMA 4X to withstand tough environments.