Vacuum technology. Standard methods for measuring vacuum-pump performance - Turbomolecular vacuum pumps1 Scope This document, in conjunction with ISO 213601, specifies methods for the measurement of performance characteristics of turbomolecular vacuum pumps. It is applicable to all sizes and all types of turbomolecular vacuum pumps, including those with mechanical or magnetic bearings; with or without an additional drag stage(s) or other pumping stages on the shaft; with one or more inlet ports. Since turbomolecular vacuum pumps are backed by primary

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petroleum or a related product at the selected equilibrium temperature as may be required to comply with laws or regulations relating to the storage

types of documentation required are mentioned in BS EN 10225‑1

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When there is a need for guidance on a subject that is not covered by the Eurocode

It does not limit the ability of LV or SC organizations to specify unique requirements

These methods are not intended for use in determining the curl characteristics of photographic materials during processing or drying

BS 8581-1:2012 is heavily based on the XCRI-CAP 1

It also describes the conformance test method

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d) frequency of the voltage