GB/T 21540-2022 Active National standards

GB/T 21540-2022 Hydraulic fluid power—On-line automatic particle-counting systems for liquids—Methods of calibration and validation

Publish Date: 2022-10-12 Implement Date: 2022-10-12 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 21540-2022

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Hydraulic and pneumatic devices

ICS Name: Filter, sealing gasket, and fluid impurities

Publish Date: 2022-10-12

Implement Date: 2022-10-12

Pages: 16 pages

Scope

This document specifies the calibration and verification methods for online liquid automatic particle counting systems. This document is applicable to the following purposes: -- For the verification of suspension preparation equipment used for the calibration of liquid automatic particle counters; -- For the online calibration of liquid automatic particle counters; -- For the matching of two or more online liquid automatic particle counters, for example, counting particles of a given size using two associated online liquid automatic particle counters; -- For the verification of online particle counting systems with or without dilution, for example, measuring the filtration efficiency of hydraulic filters in multiple pass-through tests as specified in GB/T 18853.

Development Information

Word Count: 34 Thousand words Pages: 16 pages

Replace the following standards

GB/T 21540-2008 Hydraulic fluid power—On-line automatic particle-counting systems for liquids—Methods of calibration and validation

Referenced Standards

ISO 80000-1 GB/T 17446-1998 Fluid power systems and components—Vocabulary GB/T 17446-2012 Fluid power systems and components—Vocabulary GB/T 17446-2024 Fluid power systems and components—Vocabulary GB/T 17489-1998 Hydraulic fluid power—Particulate contamination analysis—Extraction of fluid samples from lines of an operating system GB/T 17489-2022 Hydraulic fluid power—Particulate contamination analysis—Extraction of fluid samples from lines of an operating system GB/T 18853-2002 Hydraulic fluid power filters—Multi-pass method for evaluating filtration performance of a filter element GB/T 18853-2015 Hydraulic fluid power filters—Multi-pass method for evaluating filtrationperformance of a filter element GB/T 18854-2002 Hydraulic fluid power—Calibration of liquid automatic particle counters GB/T 18854-2015 Hydraulic fluid power—Calibration of automatic particle counters for liquids GB/T 28957.1-2012 Road vehicles—Test dust for filter evaluation—Part 1:Silicon dioxide test dust GB/T 28957.1-2023 Road vehicles—Test dust for filter evaluation—Part 1:Silicon dioxide test dust

Adopt standards

ISO 11943:2018

Related Standards

GB/T 17486-1998 Replaced

GB/T 17486-1998 Hydraulic fluid power—Filter—Evaluation of pressure drop versus flow characteristics

Publish Date: 1998-09-02

GB/T 14039-2002 Active

GB/T 14039-2002 Hydraulic fluid power—Fluids—Method for coding the level of contamination by solid particles

Publish Date: 2002-10-11

GB/T 18853-2002 Replaced

GB/T 18853-2002 Hydraulic fluid power filters—Multi-pass method for evaluating filtration performance of a filter element

Publish Date: 2002-10-11

GB/T 18854-2002 Replaced

GB/T 18854-2002 Hydraulic fluid power—Calibration of liquid automatic particle counters

Publish Date: 2002-10-11

GB/T 3452.1-2005 Active

GB/T 3452.1-2005 Fluid power systems—O-rings—Part 1:Inside diameters, cross-sections, tolerances and size identification code

Publish Date: 2005-07-11

GB/T 20082-2006 Active

GB/T 20082-2006 Hydraulic fluid power—Fluid contamination—Determination of particulate contamination by the counting method using an optical microscope

Publish Date: 2006-01-23