Versatile, reliable and economic multi channel gas alarm unit

S4S Guardian® Lite is a fixed multi channel gas alarm unit, from Sensors for Safety that meets the requirements for economic and reliable monitoring of gas levels in boiler rooms, plant rooms, laboratories, schools, universities, hospitals, car parks and many other areas that may require hazardous area gas sensing.

This instrument operates with S4S Guardian® Point SA, XDI, XDI+ gas sensors as well as any 3rd party 4-20mA sensors (via input interface). The S4S Guardian® Lite ensures reliability with continuous sensor status monitoring. The standard 1-4 sensor system can be extended to work with up to 16 sensors with an additional power supply, it has 3 levels of alarm plus fault, 1~16 Sensor grouping, a ‘traffic light’ display and simple network connection and set-up. Addressable pre-calibrated sensors are set on a single cable saving cost on separate cable runs. Sensor options include S4S Guardian® Point SA for safe areas, S4S Guardian® Point XDI or S4S Guardian® Point XDI+ for ATEX Zones 1 and 2.