Single Sensor controller with built in Transmitter Power Supply up to 0.8A output LCD display standard Keyboard standard Auto Zero standard Linearity 0.5% PID Control output on 0-10V, 4-20mA or 24VAC open - off - closed. Modbus RTU Coms standard Ukas Calibration Certificate standard Remote Modbus Display connector standard Two alarm contacts Buzzer fitted ABS plastic enclosure IP65.