Chemical plants, refineries, oil/gas wells, coal, and textile operations are all examples of potentially explosive environments that use electronic instrumentation. In order to operate safely in such
environments, instrumentation must be made explosion proof.
This article discusses the essential requirements of safety standards, and methodologies for meeting these requirements.
In particular, Linear Technology's LT4356 series of overvoltage/overcurrent protection devices offers an efficient and elegant means of creating protection barriers in electronic apparatus.
Read the full article here.