Z Gard C Controllers are economical gas monitoring products designed to suit a variety of alarm and control applications. The Z Gard C Controller can accept 4 to 20 mA or RS-485 inputs from MSA Z Gard S Sensors. Controllers are available that can accept inputs from 1 to 8 remote sensors. Single and four-point controllers feature an easy-to-read display, 4-20 mA analog output, relay outputs, and an audible alarm. The eight-point version also features a keypad user interface located on the front panel of the controller which is used to control many of the output functions of the unit.