Honeywell SPXCDALMHX -A high-performance industrial control unit with strong connection, advanced processing, and an easy-to-use interface is the Honeywell SPXCDALMHX. In complex automation applications, it provides accurate control and dependable integration. This ATEX/IECEx/AP accepted detector has an M20 connector and a sturdy epoxy aluminum alloy housing. It monitors hydrogen sulfide at intensities between 0 and 50 ppm.