Provides electronic forms that aid the design, purchase, and manufacture of process measurement and control instrumentation.

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General use of these forms by users and manufacturers offers many advantages, as listed below: a. Assists in preparation of complete specification by listing and providing space for all principal descriptive options. b. Promotes uniform terminology.

revised standards, recommended practices, and technical reports to the greatest extent possible. Standard for Use of the International System of Units (SI): The Modern Metric System, published by the American Society for Testing & Materials as IEEE/ASTM SI 10-97, and future revi.

ISA TR-20 Forms • Series of forms developed by the ISA20 committee. • First set of TR-20 forms published in 2001 • Available from ISA in Word format • Currently 76 forms available - includes operating parameter forms and device specification forms • Uses “pick lists” of …

This standard has been prepared by ISA’s SP20 standards committee, Instrument Specification Forms. The ISA–SP20 committee welcomes comments and suggestions, and requests that they be addressed to the Chairperson, ISA-SP20, ISA, 67 Alexander Drive, Research Triangle Park, NC 27709 USA.

This updated standard includes an expanded series of 51 Specification Forms developed in 2001, augmented by 27 new forms developed in 2004-2006, to aid the design, purchase, and manufacture of process measurement and control instrumentation. The forms in this standard extend beyond the limitations of the original ISA-20-1981 forms.

2007年1月1日 · This technical report lists the ISA specification forms by form part category, measured or initiating variable, readout, or final control device categories, and form number. A form numbering system has been implemented that identifies the form categories, device function grouping, and page number.

This technical report applies to all processes of development and use of ISA specification forms for process measurement and control instruments. It does not address system specifications such as shared control and shared display devices, where extensive use of functionality or performance specifications is required.

This updated standard includes an expanded series of 51 Specification Forms developed in 2001, augmented by 20 new forms developed in 2004-2006 and 11 new forms developed in 2007, to aid the design, purchase, and manufacture of process measurement and control instrumentation.