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ISA 71.04-1985

M00002078

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ISA 71.04-1985 Environmental Conditions for Process Measurement & Control Systems: Airborne Contaminants

standard by The International Society of Automation, 04/01/1985

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Formerly S71.04-1985. Classifies airborne contaminants that may affect process measurement and control instruments. This classification system provides a means of specifying the type and the concentration of airborne contaminants to which a specified instrument may be exposed. This standard is limited to airborne contaminants and biological influences only, covering contamination influences that affect industrial process measurement and control systems.