Hydraulic fluid power. Calibration of liquid automatic particle counters. Procedures used to certify the standard reference material SRM 2806

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

11-11-2002

Publisher

British Standards Institution

Foreword
Introduction
1 Scope
2 Equipment and material
  2.1 Test powder
  2.2 Test fluid
  2.3 Sample preparation loop
  2.4 Membrane preparation equipment
  2.5 Scanning electron microscope and image analyser
3 Equipment validation
  3.1 Sample preparation validation
  3.2 Microscope calibration validation
  3.3 Membrane preparation validation
  3.4 Membrane and SRM 2806 stability testing
4 Test procedure
  4.1 Calibration suspension preparation SRM 2806
  4.2 Membrane preparation
  4.3 Membrane examination and particle counting
5 Data processing
Bibliography

Defines the procedures used by the United States National Institute of Standards and Technology (NIST) for the certification of the calibration material SRM 2806, which is used in the primary calibration of liquid automatic particle counters.

This Technical Report describes the procedures used by the United States National Institute of Standards and Technology (NIST) for the certification of the calibration material SRM 2806, which is used in the primary calibration of liquid automatic particle counters.

SRM 2806 is a suspension of ISO MTD in hydraulic fluid with a number size distribution certified using a scanning electron microscope (SEM) and image analysis techniques.

Committee	MCE/18
DocumentType	Standard
Pages	26
PublisherName	British Standards Institution
Status	Current

Standards	Relationship
ISO/TR 16144:2002	Identical

ISO 11943:1999	Hydraulic fluid power On-line automatic particle-counting systems for liquids Methods of calibration and validation
ISO 11171:2016	Hydraulic fluid power Calibration of automatic particle counters for liquids
ISO 16889:2008	Hydraulic fluid power Filters Multi-pass method for evaluating filtration performance of a filter element
ISO 12103-1:2016	Road vehicles — Test contaminants for filter evaluation — Part 1: Arizona test dust
ISO 4405:1991	Hydraulic fluid power — Fluid contamination — Determination of particulate contamination by the gravimetric method
ISO 4402:1991	Hydraulic fluid power — Calibration of automatic-count instruments for particles suspended in liquids — Method using classified AC Fine Test Dust contaminant
ISO 4407:2002	Hydraulic fluid power — Fluid contamination — Determination of particulate contamination by the counting method using an optical microscope

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DD ISO/TR 16144:2002

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Abstract

Scope

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