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  1. bobdoug

    Non-Incendive Pressure Transmitter Power Supplies

    Thanks for the response. The ANSI/ISA-12.12.01-2013, "Nonincendive Electrical Equipment for Use in Class I and II, Division 2 and Class III, Divisions 1 and 2 Hazardous (Classified) Locations.", para. 7.6 has a note with an exception for 4-20 ma devices that "control it's own operating...
  2. bobdoug

    Non-Incendive Pressure Transmitter Power Supplies

    Planning an instrumentation system that includes non-incendive rated pressure transmitters located in a Class I, Div 2 Group B area. The transmitters are 24 VDC excitation power and 4-20 ma signal. The power supply and data acquisition components will be located in a non-hazardous area. The DAQ...

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