The MSA Model 5100 Gas Monitor uses a variety of remote sensors to monitor a wide range of combustible and toxic gases and oxygen deficiency.  The Model 5100 Gas Monitor has options with up to two monitoring channels and is available in a NEMA 4X wall-mounted enclosure or a panel-mounted design.  Each channel has a three-digit LED display with three separate alarm levels.  Each alarm level has a status LED on the front panel.  The alarm level for each channel can be displayed by a single push button.