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Comment PDF Environment, Health, Safety & Security

Gas Detection as a Risk Mitigation Technique

By Bill Crosley and Jon D. Miller, Det-Tronics |

There are many differences between gas detection systems used for process monitoring and those used for protecting the safety of personnel Some types of gas detectors keep an eye on production processes. Others, relying on a number of different technologies, can help save lives. While both functions are important in a chemical processing plant, there are significant differences between gas detection equipment for monitoring the production process versus gas detection equipment for mitigating risk and maintaining life safety (Figure 1). FIGURE 1. Gas detectors for process monitoring provide continuous measurements of gas concentrations in supply lines; they have no role in personnel safety[/caption] TYPES OF DETECTORS The first and simpler type of gas detector is used for process monitoring only. These detectors are integrated into a gas supply line for the sole function of continuously measuring the concentrations of gases in the supply line for process adjustments. Gas concentration monitors are subject to fewer and less stringent standards than detectors intended for alarm notification purposes. In addition, gas concentration monitors usually have simple displays and do not offer “smart” capabilities, such as built-in highway…
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