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GB/T 16427-2018 English PDF

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GB/T 16427-2018: Determination for electrical resistivity of dust layers
Status: Valid

GB/T 16427: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 16427-2018English119 Add to Cart 3 days [Need to translate] Determination for electrical resistivity of dust layers Valid GB/T 16427-2018
GB/T 16427-1996English279 Add to Cart 3 days [Need to translate] Determination for electrical resistivity of dust in layer Obsolete GB/T 16427-1996

PDF similar to GB/T 16427-2018


Standard similar to GB/T 16427-2018

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Basic data

Standard ID GB/T 16427-2018 (GB/T16427-2018)
Description (Translated English) Determination for electrical resistivity of dust layers
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard C67
Classification of International Standard 13.230
Word Count Estimation 6,616
Date of Issue 2018-12-28
Date of Implementation 2019-07-01
Older Standard (superseded by this standard) GB/T 16427-1996
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 16427-2018: Determination for electrical resistivity of dust layers

---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.
Determination for electrical resistivity of dust layers ICS 13.230 C67 National Standards of People's Republic of China Replace GB/T 16427-1996 Dust layer resistivity measurement method Published on.2018-12-28 2019-07-01 implementation State market supervision and administration China National Standardization Administration issued

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 16427-1996 "Determination method of dust layer resistivity", compared with GB/T 16427-1996, the main technology The changes are as follows. --- Revised scope (see Chapter 1, Chapter 1 of the.1996 edition); --- Added a chapter on normative references (see Chapter 2); --- Revised the definition of dust (see 3.1, 2.1 of the.1996 edition); ---Modified the contents of the measurement circuit (see 4.2, 3.2 of the.1996 edition); --- Modified the moisture requirements of the sample (see 5.2, 4.2 of the.1996 edition); --- Added security protection (see Chapter 7). Please note that some of the contents of this document may involve patents. The issuing organization of this document is not responsible for identifying these patents. This standard was proposed by the Emergency Management Department of the People's Republic of China. This standard is under the jurisdiction of the National Safety Production Standardization Technical Committee (SAC/TC288). This standard was drafted. China Coal Science and Technology Group Chongqing Research Institute Co., Ltd. The main drafters of this standard. Zhang Yinhe, Ma Zhongbin, Si Rongjun, Wang Wei, Li Runzhi. The previous versions of the standards replaced by this standard are. ---GB/T 16427-1996. Dust layer resistivity measurement method

1 Scope

This standard specifies the test device, sample, measurement procedure, safety protection and test report for the determination of the resistivity of the dust layer. This standard applies to general industrial dust. This standard does not apply to explosives or substances that can be burned without relying on oxygen in the air.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 15604 dust explosion-proof terminology

3 Terms and definitions

The following terms and definitions as defined in GB/T 15604 apply to this document. 3.1 Dust dust Fine solid particles. 3.2 Conductive dust Dust having a resistivity equal to or less than 103 Ω·m. 3.3 Non-conductive dust non-conductivedust Dust with a resistivity greater than 103 Ω·m. 3.4 Resistivity electricalresistivity The minimum resistance value of the dust layer measured between the two areas of the contact area specified by the dust and the unit length.

4 test device

4.1 Determination test tank The test chamber is composed of an insulating bottom plate, two stainless steel electrodes placed thereon and two insulated end strips, as shown in FIG. Stainless steel Pole size. length (l) 100mm, width (b) 20mm ~ 40mm, height (h) 10mm. The distance between the two stainless steel electrodes is (10). Two insulation End bar size. length (l2) 80mm, width (b1) 10mm, height (h1) 10mm. The thickness of the insulating bottom plate is 5mm~10mm, and the material is PTFE. Ethylene (or glass).

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