Are your devices certified for use in hazardous areas? Practically every wireless device manufacturer serving harsh industrial environments has been asked that question before. It is being posed more frequently than ever thanks to the IoT revolution. Process industries are increasingly adopting strategies for improved digitization across their sites and facilities. This naturally leads to questions about safety certification. If you are one of the few manufacturers who hasn’t been asked about safety-certified wireless devices already, don’t worry, it is only a matter of time. A common misconception among buyers is that standard wireless devices can be easily certified retrospectively. This is rarely the case. Getting an existing device approved to standards required for hazardous areas is no easy process. It isn’t low cost or quick to do either. Here we will run through some […]

An Ex d enclosure is designed to contain an explosion and stop any flames, sparks, and hot gases from escaping into the surrounding atmosphere should an internal explosion occur. In addition, an Ex d enclosure protects the fitted equipment against external moisture, dirt, dust, or water. The enclosure may house equipment such as, contactors, relays, power supplies, transformers, radio devices and other electrical equipment with potentially hot surfaces. Sometimes referred to as ‘flameproof’ or “explosion-proof”, an Ex d enclosure includes what is known as a flame path. The flame path design can vary depending on the construction of the Ex d enclosure system. Flame Path Flame paths are gaps within the enclosure that, if an internal explosion occurs, ensure that by the time the flame has reached the end of the flame path it has […]

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