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Scope:This standard encompasses mechanical influences, specifically shock and vibration, for industrial process measurement and control systems. Specifications for other environmental conditions, including seismic and transportation, are beyond the scope of this standard.This standard establishes mechanical influence classes for non-mobile installations, and includes storage.The classes of environmental conditions that are specified in this standard are suitable for process instrumentation. The classes, which include design, manufacturing, sales, installation, test, use, and maintenance, serve as a guide to establish requirements for environmental control of buildings or other protective housings for industrial process measurements and control systems.These classifications pertain only to the environment external to the instrument that may affect the instrument externally or internally.The effects of environmental conditions on the safety, comfort, and performance of operating and maintenance personnel are not considered in this standard.This standard is limited to vibration and shock only, covering mechanical influences that affect industrial measurement and control systems. Purpose:The purpose of this standard is to classify mechanical influences that may affect process measurement and control instruments, in order to provide users and manufacturers of the instruments with a means of specifying the class of mechanical influences to which a specified instrument may be exposed.This document is one of a series of standards on environmental conditions for process measurement and control systems.
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