GB/T 33204-2016 English PDF

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GB/T 33204-2016: Light conveyor belts -- Determination of electrical resistances
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 33204-2016	434	Add to Cart	3 days	Light conveyor belts -- Determination of electrical resistances	Valid

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Basic data

Standard ID: GB/T 33204-2016 (GB/T33204-2016)
Description (Translated English): Light conveyor belts -- Determination of electrical resistances
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G42
Classification of International Standard: 53.040.20
Word Count Estimation: 22,273
Date of Issue: 2016-12-13
Date of Implementation: 2017-07-01
Regulation (derived from): National Standard Announcement No.144 of 2016
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

GB/T 33204-2016: Light conveyor belts -- Determination of electrical resistances

---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.
Light conveyor belts - Determination of electrical resistances ICS 53.040.20 G42 National Standards of People's Republic of China Light conveyor belt resistance determination (ISO 21178..2013, IDT) 2016-12-13 released 2017-07-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China China National Standardization Management Committee released

Foreword

This standard is drafted in accordance with the rules given in GB/T 1.1-2009. This standard uses the translation method equivalent to ISO 21178..2013 "Light conveyor belt resistance determination" (English version). And the normative reference in this standard international documents are consistent with the relationship between China's documents are as follows. --- GB/T 30691-2014 Conveyor belt test environment and state adjustment time (ISO 18573..2012, IDT) This standard has made the following editorial changes. --- Correct the "Footnote 1" in Note 2 of 5.1 to "Note". This standard is proposed by the China Petroleum and Chemical Industry Association. This standard is nationalized by the National Technical Committee on Conveyor Belt with Standardized Technical Committee (SAC/TC428/SC1). The drafting of this standard unit. Qingdao Shinkansen Technology Consulting Co., Ltd., Qingdao University of Science and Technology. The main drafters of this standard. Xin Yong recorded, Lu Xianlin, Li Wei, Sun Lishui. Light conveyor belt resistance determination

1 Scope

This standard specifies the test method for determining the resistance of light conveyor belts as described in ISO 21183-1 [1]. The resistance refers to the surface electricity Resistance, volume resistance perpendicular to the plane plane, and lateral and longitudinal volume resistances parallel to the plane. This standard also specifies the measurement of the surface Resistivity and volume resistivity of the two test methods.

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. ISO 18573 Conveyor belt test environment and condition adjustment time (Conveyorbelts-Testatmospheresandcondi- tioning epiods

3 symbols

Symbolic unit of measure ROA Method A Measured surface resistance Ω ROB Method B Measured surface resistance Ω ROG is used to determine the surface resistance of ρs RD is perpendicular to the volume resistance of the plane RDi is parallel to the longitudinal and lateral volume resistances of the plane plane ρs surface resistivity Ω ρD volume resistivity Ω · cm d1/2/3 electrode diameter cm dm gap diameter cm g Gap width cm A electrode surface cm2 h Sample thickness cm Note. The international unit of surface resistivity (ρs) is ohm (Ω). In fact, sometimes you can use "ohm/square" or "Ω/sq" or "Ω/□". The square (□) size is not important.

4 surface resistance

4.1 Method A. Omni-directional measurement of surface resistance ROA 4.1.1 Applicability This method is suitable for strip with uniform surface resistance. ......

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