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.

ISA-S20-1981 3 Preface This Preface is included for information purposes and is not part of ISA-20-1981. This Standard has been prepared as a part of the service of the ISA toward a goal of uniformity in the field of instrumentation. To be of real value this report should not be static, but should be subjected to periodic review.

1) Assists in preparation of complete specification by listing and providing space for all principal descriptive options. 2) Promotes uniform terminology*. 3) Facilitates quoting, purchasing, receiving, accounting and ordering procedures by uniform display of information.

This standard modifies the form style of the previous ISA-20-1981 to provide a dedicated page for operating parameters, and expands the form content beyond the limitations of ISA-20-1981. This standard applies to all processes of development and use of specification forms for process measurement and control instruments.

2018年8月5日 · 更多相关文档 . ISA 20 1981 星级： 98 页 ISA-S20-1981 星级： 94 页 isa rp60.9-1981 星级： 18 页 (chisa) records, 1981-1998

ISA 20 – Specification Forms for Process Measurement & Control Instruments, Primary Elements & Control Valves Formerly S20-1981. Provides forms (checklist) to promote uniformity in instrument specification, both in content and form, by listing and providing space for all principal descriptive options, supplying terminology, and facilitating ...

Look Inside Table of Contents Preview Provides forms (checklist) to promote uniformity in instrument specification, both in content and form, by listing and providing space for principal descriptive options. These forms facilitate quoting, purchasing, receiving, accounting, and ordering procedures.

ISA 20 – Specification Forms for Process Measurement & Control Instruments, Primary Elements & Control Valves Formerly S20-1981. Provides forms (checklist) to promote uniformity in instrument specification, both in content and form, by listing and providing space for all principal descriptive options, supplying terminology, and facilitating ...

2019年9月28日 · 官方高清原版 可编辑isa 20.00.03 星级： 30 页 官方高清原版 可编辑isa tr20.00.01 星级： 150 页 官方高清原版 可编辑isa 12.20.01 星级： 48 页 官方高清原版 可编辑isa 12.02.02 星级： 18 页 官方高清原版 可编辑isa 12.12.01- ...

Provides forms (checklist) to promote uniformity in instrument specification, both in content and form, by listing and providing space for all principal descriptive options, supplying terminology, and facilitating quoting, purchasing, receiving, accounting, and ordering procedures.