ATEX Galvanic Isolators
An ATEX approved galvanic isolator limits the energy that can be transmitted to the hazardous area and also isolates the Safe area wiring from that in the Hazardous area. Using these isolators instruments connected to an Earth potential in the Hazardous area an be connected to measuring equipment in the Safe area with a different Earth potential, In addition to eliminating Earth Loops as above, these units can convert any signal type from instruments in the Hazardous area to a standard 4-20mA aanalogue output. Digital output and alarm relay outputs are also available.
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