ISO 22727 PDF

Find the most up-to-date version of ISO at Engineering Adoption by endorsement for the latest version of this international/national standard and the previous adopted edition remains effective for 2 years starting from. Standard Number, BS ISO Title, Graphical symbols. Creation and design of public information symbols. Requirements.

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Graphical symbols – Creation and design of public information symbols – Requirements

Measurement and test methods specify the isoo for determining the values of characteristics or for checking conformity to stated requirements. It shall not contain requirements. Referenced documents listed are not numbered.

They may, however, be preceded by a title or introductory phrase.

The Terms and definitions clause is a normative element. In order to know what a document is about, it needs to be read. Where patent rights have been identified during the preparation of the document, they shall be included in the Introduction.


The measurement and test methods clause is a normative element. A single note in a subdivision does not need to be numbered. The apparatus subclause is a conditional element giving a list of the apparatus used in the document. Uso references cited in the text in such a way that some or all of their content constitutes requirements of the document shall be listed in the Normative references clause. See also Clause 31 regarding the use of trade names and trademarks.

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Permitted units International Standards shall only use: However, if it is considered necessary to repeat such material, its source shall be referenced precisely.


Please refer to our privacy policy for more information. A single note to entry shall be numbered. Connection to be made if the tested object has a terminal for PE. This is particularly important for those 2272 whose first language is not one of the official languages of ISO and IEC.

Make sure that the title does not contain more than three elements. Use, for example, the following forms for references to figures and subfigures: Terminological entries shall be numbered. See also IEC Is their status normative or informative correct? General principles and detailed requirements.

Figure 1 may comprise subfigures abcThe Scope is a normative element. Footnotes to terminological entries are not allowed.

Grindability with diamond pellets — Test method and classification The title of a part shall be composed in the same way. In some cases, a document may list characteristics that can be chosen freely by the supplier.


Any necessary additional details are given in the Scope. Whenever possible, requirements shall be expressed in terms of performance rather than design or descriptive characteristics. Figures and formulae may be included within a terminological entry. Normative references to enquiry or final drafts are potentially risky, and are strongly discouraged, as the referenced document can change before publication.

Requirements shall be objectively verifiable. Preferably, the primary source of the referenced document should be cited, in order to ensure traceability. Mathematical signs and symbols.

The main element shall always be included. You may experience issues viewing this site in Internet Explorer 9, 10 or