BS ISO 11500:2008 PDF

Hydraulic fluid power. Determination of the particulate contamination level of a liquid sample by automatic particle counting using the light-extinction principle

First page of standard BS ISO 11500:2008

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Title (English):

BS ISO 11500:2008

Hydraulic fluid power. Determination of the particulate contamination level of a liquid sample by automatic particle counting using the light-extinction principle

Document status:: Withdrawn
Format:: Electronic (PDF)
Publication date:: October 31, 2008
ICS:: 23.100.60
SKU:: BS ISO 11500:2008

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Abstract

1 Scope This International Standard specifies an automatic particle counting procedure for determining the number and sizes of particles present in hydraulic-fluid bottle samples of clear, homogeneous, single-phase liquids using an automatic particle counter (APC) that works on the light-extinction principle. This International Standard is applicable to the monitoring of

a) the cleanliness level of fluids circulating in hydraulic systems,

b) the progress of a flushing operation,

c) the cleanliness level of support equipment and test rigs,

d) the cleanliness level of packaged stock.

NOTE 1 Measurements can be made with particles suspended in the original liquid or in a sample of the liquid diluted with a compatible liquid to reduce coincidence error.

NOTE 2 The presence of a fluid interface obstructs the light beam and gives false signals.

Related standards

Other BS standards

a) the cleanliness level of fluids circulating in hydraulic systems,

b) the progress of a flushing operation,

c) the cleanliness level of support equipment and test rigs,

d) the cleanliness level of packaged stock.

NOTE 1 Measurements can be made with particles suspended in the original liquid or in a sample of the liquid diluted with a compatible liquid to reduce coincidence error.

NOTE 2 The presence of a fluid interface obstructs the light beam and gives false signals.

BS ISO 11500:2008 PDF

Abstract

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Abstract

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