/community-hubs/measurement-instrumentation/b/analytical-weblog/posts/how-many-gas-detectors-do-i-need-and-where-do-they-goby Edward M. Marszal, PE, ISA84 Expert Gas detection is ubiquitous in a wide range of process industry applications where leaks of process equipment can result in either toxic or flammable gas clouds that can hurt people or property. Even though theen-USTelligent Community 13