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QC/T 29105.4-1992Test methods for solid contamination of hydraulic oil in special purpose vehicle hydraulic systems - Microscope particle counting method (English PDF)

专用汽车液压系统液压油固体污染度测试方法 显微镜颗粒计数法

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Issued by

MIIT

Level / Type

Industry · Recommended

Issue date

November 11, 1992

Implementation date

January 1, 1993

Scope

QC/T 29105.4-1992 is the English-translated version of 专用汽车液压系统液压油固体污染度测试方法 显微镜颗粒计数法.

QC/T 29105.4-1992 is the part of the recommended Chinese automotive industry series QC/T 29105 that sets out the microscope particle counting method for hydraulic oil drawn from the hydraulic systems of special purpose vehicles.

It specifies how the test specimen is prepared and how the solid contamination in the oil is counted. The method serves to determine the number and the size of the solid contaminant particles collected on a membrane surface and examined under the microscope.

For the apparatus itself and for its cleaning the part relies on QC/T 29105.2, which it quotes. Issued on 11 November 1992, it has applied since 1 January 1993.

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Document preview — QC/T 29105.4-1992

National Standard of the People's Republic of China

Issued by: Ministry of Industry and Information Technology of the People's Republic of China

Contents

  • 2 Normative references

2 Normative references

QC/T 29105.4-1992 cites the following standards, which apply in full or in part through the references made to them in its clauses.

QC/T 29105.2

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

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QC/T 29105.4-1992

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