IEC TR 60721-4-7-2003 PDF

Full title and description

St IEC TR 60721-4-7-2003 — Classification of environmental conditions — Part 4-7: Guidance for the correlation and transformation of environmental condition classes of IEC 60721‑3 to the environmental tests of IEC 60068 for portable and non‑stationary use. This technical report provides guidance and easy‑to‑use correlation tables to translate IEC 60721 environmental condition classes into appropriate IEC 60068 test procedures.

Abstract

This technical report explains how to correlate and transform the environmental condition classes defined in IEC 60721‑3‑7 into the environmental tests described in IEC 60068‑2. It focuses on dynamic and climatic conditions relevant to portable and non‑stationary equipment and supplies guidance, examples and tabulated cross‑references for specification writers and test engineers. The consolidated version incorporates Edition 1 (2001) and Amendment 1 (2003).

General information

• Status: Active / Most current (consolidated edition published).
• Publication date: Consolidated edition (IEC TR 60721‑4‑7:2001 + A1:2003) published August 18, 2003 (base edition originally published March 30, 2001).
• Publisher: International Electrotechnical Commission (IEC).
• ICS / categories: 19.040 — Environmental testing.
• Edition / version: Edition 1.1 (consolidated 2001 + Amendment 1, 2003).
• Number of pages: Consolidated document: 85 pages (base edition 61 pages; amendment 31 pages).

Scope

Provides guidance for converting environmental condition classes given in IEC 60721‑3‑7 into specific test procedures of IEC 60068‑2 for portable and non‑stationary equipment. The report considers primarily dynamic (mechanical) and climatic conditions and supplies correlation tables and recommendations to help specification writers and test laboratories select appropriate tests and severities. It does not comprehensively cover biological or chemically active substance effects.

Key topics and requirements

• Correlation tables mapping IEC 60721‑3 environmental classes to IEC 60068‑2 test methods and severities.
• Guidance for translating descriptive condition classes into repeatable laboratory tests (dynamic and climatic focus).
• Recommendations for specification writers on selecting tests for portable and non‑stationary use.
• Notes on limitations — biological, chemical and certain other effects are outside the main scope.
• Examples and explanatory text to aid interpretation of classes and test parameter choices.

Typical use and users

Intended for specification authors, product designers, reliability and environmental test engineers, and test laboratories that must translate environmental class statements into standardized IEC 60068‑2 tests. Also used by procurement, quality and compliance teams to define or verify environmental test requirements for portable/non‑stationary equipment.

Related standards

Directly related to IEC 60721 series (classification of environmental conditions), specifically IEC 60721‑3‑7 (definition of condition classes), and to IEC 60068‑2 (environmental test methods). It is produced by TC 104 (Environmental conditions, classification and methods of test). Other parts of IEC 60721 and IEC 60068 series provide complementary definitions and test details.

Keywords

environmental classification, IEC 60721, IEC 60068, technical report, transformation, correlation tables, portable equipment, non‑stationary use, dynamic conditions, climatic conditions, environmental tests.

FAQ

Q: What is this standard?

A: It is an IEC technical report (IEC TR 60721‑4‑7) giving guidance on how to correlate and transform environmental condition classes from IEC 60721‑3 into the environmental test methods of IEC 60068 for portable and non‑stationary equipment.

Q: What does it cover?

A: It covers the conversion of descriptive environmental condition classes (mainly dynamic and climatic) into specific IEC 60068‑2 test procedures and severities, using tables, guidance and examples. It does not provide new test methods but maps condition classes to existing IEC test standards.

Q: Who typically uses it?

A: Specification writers, product and test engineers, environmental test laboratories, quality and procurement professionals who need to define or verify environmental testing for portable and non‑stationary products.

Q: Is it current or superseded?

A: The consolidated edition (IEC TR 60721‑4‑7:2001 + A1:2003) is the current published consolidated technical report (published 2003). IEC's publication record indicates this consolidated version as the active consolidated edition. Users should check the IEC catalogue for any later amendments or a replacement after the document’s stated stability date.

Q: Is it part of a series?

A: Yes — it is Part 4‑7 of the IEC 60721 series (Classification of environmental conditions). It is intended to be used together with IEC 60721‑3 (environmental classes) and IEC 60068 (environmental test methods).

Q: What are the key keywords?

A: Environmental classification, IEC 60721, IEC 60068, correlation tables, portable equipment, climatic conditions, dynamic conditions.