GB/T 21540-2022
Hydraulic fluid power—On-line automatic particle-counting systems for liquids—Methods of calibration and validation (English Version)
- Standard No.
- GB/T 21540-2022
- Language
- Chinese, Available in English version
- Release Date
- 2022
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Latest
- GB/T 21540-2022
- Replace
- GB/T 21540-2008
- Scope
- This document specifies methods for the calibration and verification of on-line liquid automated particle counting systems. This document is applicable to the following purposes: --- Verification of liquid automatic particle counter calibration suspension preparation equipment; --- Online calibration of liquid automatic particle counter; --- Two or more online liquid automatic particle counters Matching, for example, counting particles of a given size in two connected online liquid automatic particle counters; ——Validating the online particle counting system with or without dilution, for example, determining the particle count specified in GB/T18853 Filter Efficiency of a hydraulic filter in a multiple pass test.
GB/T 21540-2022 Referenced Document
- GB/T 17446 Fluid Transmission Systems and Components Glossary*， 2024-03-15 Update
- GB/T 17489 Hydraulic fluid power—Particulate contamination analysis—Extraction of fluid samples from lines of an operating system
- GB/T 18853 Hydraulic fluid power filters.Multi-pass method for evaluating filtration performance of a filter element
- GB/T 18854 Hydraulic fluid power.Calibration of automatic particle counters for liquids
- GB/T 28957.1 Test dusts for filter evaluation in road vehicles Part 1: Silica test dusts*， 2023-11-27 Update
- ISO 16889:2008 Hydraulic fluid power - Filters - Multi-pass method for evaluating filtration performance of a filter element
- ISO 80000-1 Quantities and units - Part 1: General*， 2022-12-06 Update
GB/T 21540-2022 history
- 2022 GB/T 21540-2022 Hydraulic fluid power—On-line automatic particle-counting systems for liquids—Methods of calibration and validation
- 2008 GB/T 21540-2008 Hydraulic fluid power.On-line automatic particle-counting systems for liquids.Methodsof calibration and validation
