ISO 4407:2002
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Hydraulic fluid power — Fluid contamination — Determination of particulate contamination by the counting method using an optical microscope
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Language(s)
English, French
Published date
02-05-2002
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This International Standard specifies methods for determining the level of particulate contamination in liquids used in hydraulic systems by counting the number of particles deposited on the surface of a membrane filter using an optical microscope. It includes particle counting by two manual methods and image analysis, using either transmitted or incident lighting systems.
Particle sizes greater than or equal to 2 micrometres can be sized and counted by this method, but the resolution and accuracy of the results will depend upon the optical system used and the capabilities of the operator.
All hydraulic fluids with a wide range of contamination levels can be analysed according to this International Standard. However, the counting uncertainty at the larger particle sizes increases if the volume filtered is reduced to allow smaller sized particles to be counted, where a fine precipitate or a high particle concentration is present.
| DevelopmentNote |
Supersedes ISO/DIS 4407 (05/2002)
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| DocumentType |
Standard
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| Pages |
14
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| PublisherName |
International Organization for Standardization
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| Status |
Current
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| Supersedes |
| Standards | Relationship |
| UNI ISO 4407 : 2005 | Identical |
| NBN E 48 012 : 1987 | Identical |
| BS ISO 4407:2002 | Identical |
| GOST ISO 4407 : 2006 | Identical |
| NEN ISO 4407 : 2002 | Identical |
| NF ISO 4407 : 2002 | Identical |
| SS-ISO 4407:2002 | Identical |
| SN ISO 4407 : 2005 | Identical |
| PN-ISO 4407:2021-03 | Identical |
| NFE 48 651 : 1986 | Similar to |
| BS 5540-8:1991 | Identical |
| BS EN 60970:2007 | Insulating liquids. Methods for counting and sizing particles |
| BS ISO 16431:2012 | Hydraulic fluid power. System clean-up procedures and verification of cleanliness of assembled systems |
| BS ISO 14085-6:2015 | Aerospace series. Hydraulic filter elements. Test methods Initial cleanliness level |
| 07/19969755 DC : 0 | BS ISO 11500 - HYDRAULIC FLUID POWER - DETERMINATION OF PARTICULATE CONTAMINATION LEVEL OF A LIQUID SAMPLE BY AUTOMATIC PARTICLE COUNTING USING THE LIGHT EXTINCTION PRINCIPLE |
| BS ISO 16232-7:2007 | Road vehicles. Cleanliness of components of fluid circuits Particle sizing and counting by microscopic analysis |
| 03/100561 DC : DRAFT JULY 2003 | IEC 60422 ED.3 - SUPERVISION AND MAINTENANCE GUIDE FOR MINERAL INSULATING OILS IN ELECTRICAL EQUIPMENT |
| BS ISO 4406:2017 | Hydraulic fluid power. Fluids. Method for coding the level of contamination by solid particles |
| ISO 3938:1986 | Hydraulic fluid power — Contamination analysis — Method for reporting analysis data |
| PD ISO/TR 15640:2011 | Hydraulic fluid power contamination control. General principles and guidelines for selection and application of hydraulic filters |
| 14/30244780 DC : 0 | BS ISO 19859 - GAS TURBINE APPLICATIONS - REQUIREMENTS FOR POWER GENERATION |
| I.S. EN 60422:2013 | MINERAL INSULATING OILS IN ELECTRICAL EQUIPMENT - SUPERVISION AND MAINTENANCE GUIDANCE (IEC 60422:2013 (EQV)) |
| PD ISO/TR 10686:2013 | Hydraulic fluid power. Method to relate the cleanliness of a hydraulic system to the cleanliness of the components and hydraulic fluid that make up the system |
| BS ISO 16232-5:2007 | Road vehicles. Cleanliness of components of fluid circuits Method of extraction of contaminants on functional test bench |
| DD ISO/TS 11365:2011 | Petroleum and related products. Guidance for the maintenance and use of triaryl phosphate ester turbine-control fluids |
| BS ISO 16232-3:2007 | Road vehicles. Cleanliness of components of fluid circuits Method of extraction of contaminants by pressure rinsing |
| 04/30098086 DC : DRAFT APR 2004 | ISO 16232-3 - ROAD VEHICLES - CLEANLINESS OF COMPONENTS OF FLUID CIRCUITS - PART 3: METHOD OF EXTRACTION OF CONTAMINANTS BY PRESSURE RINSING |
| ISO 16431:2012 | Hydraulic fluid power — System clean-up procedures and verification of cleanliness of assembled systems |
| ISO/TS 11366:2011 | Petroleum and related products — Guidance for in-servicing of lubricating oils for steam, gas and combined-cycle turbines |
| ASTM D 8128 : 2017 | Standard Guide for Monitoring Failure Mode Progression in Industrial Applications with Rolling Element Ball Type Bearings |
| ISO 19859:2016 | Gas turbine applications Requirements for power generation |
| BS ISO 21018-1:2008 | Hydraulic fluid power. Monitoring the level of particulate contamination of the fluid General principles |
| 12/30234431 DC : 0 | BS ISO 9940 - AEROSPACE - FIRE RESISTANT HYDRAULIC FLUIDS |
| PD ISO/TS 18409:2018 | Hydraulic fluid power. Hose and hose assemblies. Method of collecting a fluid sample for analyzing the cleanliness of a hose or hose assembly |
| BS ISO 12500-3:2009 | Filters for compressed air. Test methods Particulates |
| 05/30138884 DC : DRAFT SEP 2005 | |
| PD ISO/TS 16431:2002 | Hydraulic fluid power. Assembled systems. Verification of cleanliness |
| ISO 14085-6:2015 | Aerospace series Hydraulic filter elements Test methods Part 6: Initial cleanliness level |
| 16/30273511 DC : 0 | BS ISO 23309 - HYDRAULIC FLUID POWER SYSTEMS - ASSEMBLED SYSTEMS - METHODS OF CLEANING LINES BY FLUSHING |
| 10/30215366 DC : 0 | BS EN 60422 - MINERAL INSULATING OILS IN ELECTRICAL EQUIPMENT - SUPERVISION AND MAINTENANCE GUIDANCE |
| 16/30323482 DC : 0 | BS ISO 11365 - PETROLEUM AND RELATED PRODUCTS - MAINTENANCE AND USE GUIDE FOR TRIARYL PHOSPHATE ESTER TURBINE CONTROL FLUIDS |
| ISO/TR 16386:2014 | Impact of changes in ISO fluid power particle counting Contamination control and filter test standards |
| 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 |
| ISO/TR 16144:2002 | Hydraulic fluid power Calibration of liquid automatic particle counters Procedures used to certify the standard reference material SRM 2806 |
| BS ISO 18413:2015 | Hydraulic fluid power. Cleanliness of components. Inspection document and principles related to contaminant extraction and analysis, and data reporting |
| SAE J 1227 : 2013 | ASSESSING CLEANLINESS OF HYDRAULIC FLUID POWER COMPONENTS AND SYSTEMS |
| ISO/TS 11365:2011 | Petroleum and related products Guidance for the maintenance and use of triaryl phosphate ester turbine-control fluids |
| I.S. EN 60970:2007/AC:2008 | INSULATING LIQUIDS - METHODS FOR COUNTING AND SIZING PARTICLES |
| ASTM D 6813 : 2002 : REV A : R2007 | Standard Guide for Performance Evaluation of Hydraulic Fluids for Piston Pumps |
| ASTM D 6813 : 2002 | Standard Guide for Performance Evaluation of Hydraulic Fluids for Piston Pumps |
| ASTM D 6813 : 2002 : REV A : R2013 | Standard Guide for Performance Evaluation of Hydraulic Fluids for Piston Pumps (Withdrawn 2015) |
| ASTM D 6813 : 2002 : REV A | Standard Guide for Performance Evaluation of Hydraulic Fluids for Piston Pumps |
| SAE AS 4059F : 2013 | AEROSPACE FLUID POWER - CONTAMINATION CLASSIFICATION FOR HYDRAULIC FLUIDS |
| BIS IS 13236 : 2013 | INSULATING LIQUIDS - METHODS FOR COUNTING AND SIZING PARTICLES |
| ISO 21018-1:2008 | Hydraulic fluid power — Monitoring the level of particulate contamination of the fluid — Part 1: General principles |
| BS ISO 9940:2015 | Aerospace series. Fluid, hydraulic, phosphate ester-base, fire resistant. Technical specification |
| API TR 17TR5 : 2012 | AVOIDANCE OF BLOCKAGES IN SUBSEA PRODUCTION CONTROL AND CHEMICAL INJECTION SYSTEMS |
| 05/30098235 DC : 0 | ISO 21081-1 - HYDRAULIC FLUID POWER - MONITORING THE LEVEL OF PARTICULATE CONTAMINATION OF THE FLUID - PART 1: GENERAL PRINCIPLES |
| DD ISO/TR 16144:2002 | Hydraulic fluid power. Calibration of liquid automatic particle counters. Procedures used to certify the standard reference material SRM 2806 |
| 14/30302298 DC : 0 | BS ISO 9940 - AEROSPACE SERIES - FLUID, HYDRAULIC, PHOSPHATE ESTER-BASE, FIRE RESISTANT - TECHNICAL SPECIFICATION |
| 13/30290460 DC : 0 | BS ISO 9940 - AEROSPACE SERIES - FLUID, HYDRAULIC, PHOSPHATE ESTER-BASE, FIRE RESISTANT - TECHNICAL SPECIFICATION |
| 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 |
| 00/704296 DC : DRAFT FEB 2000 | ISO/CD 16431 - HYDRAULIC FLUID POWER - ASSEMBLED SYSTEMS - METHOD FOR ACHIEVING ROLL-OFF CLEANLINESS |
| 04/30098093 DC : DRAFT APR 2004 | ISO 16232-5 - ROAD VEHICLES - CLEANLINESS OF COMPONENTS OF FLUID CIRCUITS - PART 5: METHOD OF EXTRACTION OF CONTAMINANTS ON FUNCTIONAL TEST BENCH |
| ISO/TR 10686:2013 | Hydraulic fluid power Method to relate the cleanliness of a hydraulic system to the cleanliness of the components and hydraulic fluid that make up the system |
| 07/30164305 DC : 0 | BS ISO 12500-3 - FILTERS FOR COMPRESSED AIR - TEST METHODS - PART 3: PARTICULATES |
| BS ISO 16232-2:2007 | Road vehicles. Cleanliness of components of fluid circuits Method of extraction of contaminants by agitation |
| SAE MS 1000 : 2013 | LUBRICANTS, INDUSTRIAL OILS, AND RELATED PRODUCTS - CLASSIFICATION |
| ISO 12500-3:2009 | Filters for compressed air Test methods Part 3: Particulates |
| ASTM D 7973 : 2014 | Standard Guide for Monitoring Failure Mode Progression in Plain Bearings |
| ISO 9940:2015 | Aerospace series Fluid, hydraulic, phosphate ester-base, fire resistant Technical specification |
| ISO 16232-2:2007 | Road vehicles Cleanliness of components of fluid circuits Part 2: Method of extraction of contaminants by agitation |
| ISO/TR 15640:2011 | Hydraulic fluid power contamination control General principles and guidelines for selection and application of hydraulic filters |
| ISO 11365:2017 | Petroleum and related products — Requirements and guidance for the maintenance of triaryl phosphate ester turbine control fluids |
| API STD 17F : 2017 | SUBSEA PRODUCTION CONTROL SYSTEMS |
| ISO 16232-7:2007 | Road vehicles Cleanliness of components of fluid circuits Part 7: Particle sizing and counting by microscopic analysis |
| IEC 60970:2007 | Insulating liquids - Methods for counting and sizing particles |
| BS ISO/TR 16386:1999 | Impact of changes in ISO fluid power particle counting. Contamination control and filter test standards |
| BS ISO 19859:2016 | Gas turbine applications. Requirements for power generation |
| 08/30187368 DC : DRAFT JULY 2008 | BS ISO 11365 - PETROLEUM AND RELATED PRODUCTS - MAINTENANCE AND USE GUIDE FOR TRIARYL PHOSPHATE ESTER TURBINE CONTROL FLUIDS |
| 08/30187364 DC : DRAFT JULY 2008 | BS ISO 11366 - PETROLEUM AND RELATED PRODUCTS - GUIDANCE FOR IN-SERVICE MONITORING OF LUBRICATING OILS FOR STEAM, GAS AND COMBINED-CYCLE TURBINES |
| UNE-EN 60422:2013 | Mineral insulating oils in electrical equipment - Supervision and maintenance guidance |
| IEC 60422:2013 | Mineral insulating oils in electrical equipment - Supervision and maintenance guidance |
| EN 60970:2007/corrigendum:2008 | INSULATING LIQUIDS - METHODS FOR COUNTING AND SIZING PARTICLES |
| PD ISO/TR 16386:2014 | Impact of changes in ISO fluid power particle counting. Contamination control and filter test standards |
| 12/30250727 DC | BS EN ISO 13628-6 - PETROLEUM AND NATURAL GAS INDUSTRIES - DESIGN AND OPERATION OF SUBSEA PRODUCTION SYSTEMS - PART 6: SUBSEA PRODUCTION CONTROL SYSTEMS |
| BS ISO 11365:2017 | Petroleum and related products. Requirements and guidance for the maintenance of triaryl phosphate ester turbine control fluids |
| BS 5540-1:1978 | Specification for evaluating particulate contamination of hydraulic fluids Qualifying and controlling of cleaning methods for sample containers |
| BS EN 60422:2013 | Mineral insulating oils in electrical equipment. Supervision and maintenance guidance |
| 09/30176303 DC : 0 | BS ISO 16431 - HYDRAULIC FLUID POWER - ASSEMBLED SYSTEMS - SYSTEM CLEAN-UP PROCEDURES AND VERIFICATION OF CLEANLINESS |
| 11/30075025 DC : 0 | ISO 21017 - HYDRAULIC FLUID POWER - CLEANLINESS OF PARTS AND COMPONENTS - EXPRESSION OF PARTICULATE CONTAMINATION LEVEL |
| ISO/TS 18409:2018 | Hydraulic fluid power — Hose and hose assemblies — Method of collecting a fluid sample for analyzing the cleanliness of a hose or hose assembly |
| 13/30271044 DC : 0 | BS ISO 14085-6 - AEROSPACE SERIES - HYDRAULIC FILTER ELEMENTS - TEST METHODS - PART 6: INITIAL CLEANLINESS LEVEL |
| UNI ISO 4406 : 2013 | HYDRAULIC FLUID POWER - FLUIDS - METHOD FOR CODING THE LEVEL OF CONTAMINATION BY SOLID PARTICLES |
| 09/30204130 DC : DRAFT MAY 2009 | BS ISO 11217 - AEROSPACE - HYDRAULIC SYSTEM FLUID CONTAMINATION - LOCATION OF SAMPLING POINTS AND CRITERIA FOR SAMPLING |
| CEI EN 60970 : 2007 | INSULATING LIQUIDS - METHODS FOR COUNTING AND SIZING PARTICLES |
| 04/30098083 DC : DRAFT APR 2004 | ISO 16232-2 - ROAD VEHICLES - FLUID CIRCUITS - CLEANLINESS OF COMPONENTS - PART 2: METHOD OF EXTRACTION OF CONTAMINANTS BY AGITATION |
| ISO 3722:1976 | Hydraulic fluid power — Fluid sample containers — Qualifying and controlling cleaning methods |
| ISO 16232-3:2007 | Road vehicles Cleanliness of components of fluid circuits Part 3: Method of extraction of contaminants by pressure rinsing |
| ISO 18413:2015 | Hydraulic fluid power Cleanliness of components Inspection document and principles related to contaminant extraction and analysis, and data reporting |
| ISO 16232-5:2007 | Road vehicles Cleanliness of components of fluid circuits Part 5: Method of extraction of contaminants on functional test bench |
| DD ISO/TS 11366:2011 | Petroleum and related products. Guidance for in-servicing of lubricating oils for steam, gas and combined-cycle turbines |
| EN 60422:2013 | Mineral insulating oils in electrical equipment - Supervision and maintenance guidance |
| CEI EN 60422 : 2014 | MINERAL INSULATING OILS IN ELECTRICAL EQUIPMENT - SUPERVISION AND MAINTENANCE GUIDANCE |
| ISO 5598:2008 | Fluid power systems and components Vocabulary |
| ISO 4406:1999 | Hydraulic fluid power Fluids Method for coding the level of contamination by solid particles |
| ISO 4788:2005 | Laboratory glassware — Graduated measuring cylinders |
| ISO 3722:1976 | Hydraulic fluid power — Fluid sample containers — Qualifying and controlling cleaning methods |
| ISO 14644-1:2015 | Cleanrooms and associated controlled environments Part 1: Classification of air cleanliness by particle concentration |
| ISO 4021:1992 | Hydraulic fluid power — Particulate contamination analysis — Extraction of fluid samples from lines of an operating system |
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