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GB/T 13277.3-2015: Compressed air -- Part 3: Test methods for measurement of humidity
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Compressed air -- Part 3: Test methods for measurement of humidity
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GB/T 13277.3-2015
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Basic data | Standard ID | GB/T 13277.3-2015 (GB/T13277.3-2015) | | Description (Translated English) | Compressed air -- Part 3: Test methods for measurement of humidity | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J72 | | Classification of International Standard | 23.14 | | Word Count Estimation | 17,184 | | Date of Issue | 2015-12-31 | | Date of Implementation | 2016-06-30 | | Quoted Standard | GB/T 4975; GB/T 10893.1; GB/T 13277.1; GB/T 17446 | | Regulation (derived from) | State Standard Announcement 2015 No.43 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the measurement method of compressed air humidity, including the selection of methods and the scope of application, sampling techniques, measurement methods, the results of assessment, uncertainty analysis and test reports. This standard applies to the measurement of moisture present in compressed air in the presence of water vapor. | GB/T 13277.3-2015: Compressed air -- Part 3: Test methods for measurement of humidity---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Compressed air - Part 3. Test methods for measurement of humidity
ICS 23.140
J72
National Standards of People's Republic of China
Compressed air
Part 3. Methods of humidity measurement
(ISO 8573-3..1999, MOD)
2015-12-31 released
2016-06-30 implementation
General Administration of Quality Supervision, Inspection and Quarantine of the People 's Republic of China
China National Standardization Management Committee released
Directory
Preface III
1 Scope 1
2 normative reference document 1
3 Terms and definitions 1
4 units 1
5 Select Guide 1
6 sampling technology 2
7 Measurement method 3
Analysis of test results
9 Conversion between nonstandard humidity units and standard humidity units 5
Uncertainty 5
11 results of the expression 6
12 Test Report 6
Appendix A (informative) Preferred humidity test method 7
Appendix B (informative) Non-preferred humidity test method 9
Appendix C (informative) Calculation of vapor pressure
Appendix D (informative) Compressed air humidity test report example 12
Appendix E (informative) Technical differences between this section and ISO 8573-3..1999 and its causes 13
Foreword
GB/T 13277 "Compressed air" is divided into 9 parts.
- Part 1. Pollutant Purification Level;
- Part 2. Suspended oil content measurement method;
- Part 3. Humidity measurement method;
- Part 4. Solid particle measurement methods;
- Part 5. Methods for the measurement of oil vapor and organic solvents;
- Part 6. Measurement of gaseous pollutant content;
- Part 7. Measurement of active microbial content;
- Part 8. Solid particle mass concentration measurement method;
Part 9. Methods for the measurement of liquid water content.
This part is part 3 of GB/T 13277.
This part is drafted in accordance with the rules given in GB/T 1.1-2009.
This part uses the re-drafting method to modify ISO 8573-3..1999 "Compressed air Part 3. Humidity measurement method" (English
Version).
Taking into account our national conditions, this part of the use of ISO 8573-3..1999, made some changes. The technical differences have been incorporated into the text
And in the margins of the terms to which they relate. These technical differences and their originals are given in Appendix E
For a list of references.
For ease of use, this section also makes the following editorial changes.
a) the word "international standard" is replaced by the words "this part";
b) Deleting ISO 8573-3..1999 Preface.
This part is made by the China Machinery Industry Federation.
This part is headed by the National Standardization Technical Committee of Compressors (SAC/TC145).
This part of the drafting unit. Hefei General Machinery Research Institute, Hangzhou Risheng purification equipment Co., Ltd., Guangzhou, Guangdong and Guangdong purification Technology Co., Ltd.
Division, Wuxi City, Hualing Filter Equipment Co., Ltd., Hefei General Mechanical and Electrical Products Testing Institute Co., Ltd., Shanghai ultrafiltration compressor purification equipment limited
Company, Xi'an Joint Ultrafiltration Purification Equipment Co., Ltd., Nanjing Essen Environmental Technology Co., Ltd., Vaisala (Beijing) Measurement Technology Co., Ltd.,
(Shanghai) Co., Ltd., Guangdong Tai'an Yiqiao Gas Equipment Co., Ltd., Shenzhen Hong-day purification equipment Technology Co., Ltd.
The main drafters of this part. Chen Fang, Tan Yuejin, Jiang Huijun, Zhang Jian, Wang Heguang, Yang Yaofeng, Zhang Jianmin, Li Daming, Fan Lifeng,
Chen Jun, Wang Kaifeng, Liu Baifan.
Compressed air
Part 3. Methods of humidity measurement
1 Scope
This part of GB/T 13277 specifies the method of measuring the humidity of compressed air, including the selection of methods and the scope of application, sampling techniques
Surgery, measurement methods, results assessment, uncertainty analysis and test reports.
This part applies to the measurement of moisture in compressed air in the presence of water vapor.
2 normative reference documents
The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article
Pieces. For undated references, the latest edition (including all modifications) applies to this document.
GB/T 4975 Volumetric Compressor Terminology (GB/T 4975-1995, eqvISO 3857-1. 1977, ISO 3857-2.
1977)
GB/T 10893.1 Compressed air dryers - Part 1. Specifications and tests (GB/T 10893.1-2012, ISO 7183..2007,
MOD)
GB/T 13277.1 Compressed air - Part 1. Degree of purification of pollutants (GB/T 13277.1-2008, ISO 8573-1..2001,
MOD)
GB/T 17446 Fluid Drive Systems and Components Terminology (GB/T 17446-2012, ISO 5598..2008, IDT)
3 terms and definitions
The terms and definitions defined in GB/T 4975, GB/T 17446 and GB/T 10893.1 apply to this document.
4 units
The units used in this section are units commonly used by the International System of Units (SI).
5 Select a guide
Uncertainty of various humidity measurement methods and their scope of application in Table 1.
Table 1 Applicable humidity measurement methods
Sort by Uncertainty Size (Ascending)
Methods
Method table
uncertainty
± ℃
The humidity range is pressure
Dew point indicates/℃
Remarks
Spectral method 2 a -80 ~ 60
Measurable water vapor range.
0.1 × 10-6 to 1 × 10-6b
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