Standard Test Method for Automatic Particle Counting and Particle Shape Classification of Oils Using a Direct Imaging Integrated Tester

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-16-2023

Publisher

American Society for Testing and Materials

1.1This test method covers the determination of particle concentration, particle size distribution, particle shape, and soot content for new and in-service oils used for lubrication and hydraulic systems by a direct imaging integrated tester.

1.1.1The test method is applicable to petroleum and synthetic based fluids. Samples from 2 mm²/s to 150 mm²/s at 40 °C may be processed directly. Samples of greater viscosity may be processed after solvent dilution.

1.1.2Particles measured are in the range from 4 μm to ≥ 70 μm with the upper limit dependent upon passing through a 100 μm mesh inlet screen.

1.1.3Particle concentration measured may be as high as 5 000 000 particles per mL without significant coincidence error.

1.1.4Particle shape is determined for particles greater than approximately 20 µm in length. Particles are categorized into the following categories: sliding, cutting, fatigue, nonmetallic, fibers, water droplets, and air bubbles.

1.1.5Soot is determined up to approximately 1.5 % by weight.

1.1.6This test method uses objects of known linear dimension for calibration.

1.2The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.3This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.4This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Committee	D 02
DocumentType	Test Method
Pages	6
PublisherName	American Society for Testing and Materials
Status	Current
Supersedes	ASTM D 7596 : 2014

ASTM D 7720 : 2021	Standard Guide for Statistically Evaluating Measurand Alarm Limits when Using Oil Analysis to Monitor Equipment and Oil for Fitness and Contamination
ASTM D 8128 : 2022	Standard Guide for Monitoring Failure Mode Progression in Industrial Applications with Rolling Element Ball Type Bearings
ASTM E 3338 : 2022	Standard Guide for Size and Shape of Solid Particles, Liquid Droplets, and Gas Bubbles, Dynamically Conveyed, Using a Dynamic Imaging Analyzer
ASTM D 7684 : 2011 : R2020	Standard Guide for Microscopic Characterization of Particles from In-Service Lubricants

ASTM D 4057 : 2019	Standard Practice for Manual Sampling of Petroleum and Petroleum Products
ASTM E 2412 : 2023	Standard Practice for Condition Monitoring of In-Service Lubricants by Trend Analysis Using Fourier Transform Infrared (FT-IR) Spectrometry
ASTM E 2412 : 2010 : R2018	Standard Practice for Condition Monitoring of In-Service Lubricants by Trend Analysis Using Fourier Transform Infrared (FT-IR) Spectrometry
ASTM D 445 : 2021 : EDT 2	Standard Test Method for Kinematic Viscosity of Transparent and Opaque Liquids (and Calculation of Dynamic Viscosity)
ASTM D 445 : 2017 : REV A	Standard Test Method for Kinematic Viscosity of Transparent and Opaque Liquids (and Calculation of Dynamic Viscosity)
ASTM D 4175 : 2022 : REV A	Standard Terminology Relating to Petroleum Products, Liquid Fuels, and Lubricants
ASTM D 4175 : 2023	Standard Terminology Relating to Petroleum Products, Liquid Fuels, and Lubricants
ASTM D 4175 : 2022 : REV A : EDT 1	Standard Terminology Relating to Petroleum Products, Liquid Fuels, and Lubricants
ASTM D 445 : 2019 : REV A	Standard Test Method for Kinematic Viscosity of Transparent and Opaque Liquids (and Calculation of Dynamic Viscosity)
ASTM D 4177 : 2022	Standard Practice for Automatic Sampling of Petroleum and Petroleum Products
ASTM D 445 : 2019	Standard Test Method for Kinematic Viscosity of Transparent and Opaque Liquids (and Calculation of Dynamic Viscosity)
ASTM D 4175 : 2023 : EDT 1	Standard Terminology Relating to Petroleum Products, Liquid Fuels, and Lubricants
ASTM D 4175 : 2023 : REV A	Standard Terminology Relating to Petroleum Products, Liquid Fuels, and Lubricants
ASTM D 445 : 2024	Standard Test Method for Kinematic Viscosity of Transparent and Opaque Liquids (and Calculation of Dynamic Viscosity)
ASTM D 445 : 2021	Standard Test Method for Kinematic Viscosity of Transparent and Opaque Liquids (and Calculation of Dynamic Viscosity)
ASTM D 2896 : 2015	Standard Test Method for Base Number of Petroleum Products by Potentiometric Perchloric Acid Titration
ASTM E 2412 : 2023 : REV A	Standard Practice for Condition Monitoring of In-Service Lubricants by Trend Analysis Using Fourier Transform Infrared (FT-IR) Spectrometry
ASTM D 445 : 2018	Standard Test Method for Kinematic Viscosity of Transparent and Opaque Liquids (and Calculation of Dynamic Viscosity)
ASTM D 445 : 2021 : EDT 1	Standard Test Method for Kinematic Viscosity of Transparent and Opaque Liquids (and Calculation of Dynamic Viscosity)
ASTM D 4177 : 2022 : EDT 1	Standard Practice for Automatic Sampling of Petroleum and Petroleum Products
ASTM D 445 : 2023	Standard Test Method for Kinematic Viscosity of Transparent and Opaque Liquids (and Calculation of Dynamic Viscosity)