/community-hubs/measurement-instrumentation/b/analytical-weblog/posts/how-many-gas-detectors-do-i-need-and-where-do-they-go-part-2Edward M. Marszal, PE, ISA84 Expert The proper placement of gas detectors can be difficult and complex to determine. Our last blog post discussed how gas detectors were placed in the past and current technologies for detector placement, including geographicen-USTelligent Community 13