Mistake-Proofing Resource Center

Sirens

Sirens are audible alarms and normally are used to convey an emergency situation. The emergency can be safety or process related (such as a line shutdown). Sirens are activated by the output from a relay, PLC, or process control system.

Applications

  • To warn of an unsafe condition.
  • To notify of a deviation of a critical process parameter from its set point.
  • To summon help to an area.

Features

  • People associate sirens with an emergency.
  • Can be located remotely from the process.
  • Models are available for indoors and outdoors applications.
  • Can sound up to 130 db.
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