scope:

The following statements describe the four general types of protective shelters:

• Type I - Field Mounted - where an analyzer in an integral cabinet is mounted on a freestanding support

• Type II - Freely Ventilated - typically a three-sided shelter

• Type III - Climate Controlled - where it is necessary to provide a controlled interior for proper operation of the analyzer system(s)

• Type IV - Controlled for Area Classification Reduction - where it is necessary to operate analyzer system(s) that are not rated for the exterior area classification of the shelter

Each analyzer shelter in a project shall have a separate PIP PCSPA03D data sheet specifically tailored for its intended analyzer complement. This data sheet can be supplied directly to a vendor for small applications or, with other supporting documentation, to companies specializing in analyzer system integration and packaging

Purpose

To assure the proper operation of an analyzer system, it may be necessary to provide appropriate environmental protection. When the intrinsic protection offered by an analyzer enclosure is not suitable for the working environment, additional protection shall be provided. An analyzer shelter is used for this purpose. The Process Analyzer Shelter Data Sheet (PIP PCSPA03D) is provided as a guide to individuals responsible for ensuring the quality and completeness of an analyzer shelter specification. Analyzer shelters are not typically considered to be occupied structures.