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JJG 264-2008 English PDF

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JJG 264-2008: Verification Regulation of Measuring Instruments for Cereals Density
Status: Valid

JJG 264: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
JJG 264-2008English349 Add to Cart 3 days [Need to translate] Verification Regulation of Measuring Instruments for Cereals Density Valid JJG 264-2008
JJG 264-1981English399 Add to Cart 3 days [Need to translate] Verification Reguiation of Test Weight Apparatus Obsolete JJG 264-1981

PDF similar to JJG 264-2008


Standard similar to JJG 264-2008

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Basic data

Standard ID JJG 264-2008 (JJG264-2008)
Description (Translated English) Verification Regulation of Measuring Instruments for Cereals Density
Sector / Industry Metrology & Measurement Industry Standard
Classification of Chinese Standard A53
Classification of International Standard 17.120
Word Count Estimation 15,149
Date of Issue 2008-05-23
Date of Implementation 2008-11-23
Older Standard (superseded by this standard) JJG 264-1981
Quoted Standard JJG 14-1997; JJG 539-1997; GB 1353-1999; GB 5498-1985
Regulation (derived from) ?AQSIQ Announcement 2008 No.72
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine
Summary This standard applies to electronic universal testing machine (hereinafter referred to as test machine) initial verification, follow-up tests and in-service inspection. Evaluation and electronic tensile test pattern (or pressure) testing machine may refer to the order.

JJG 264-2008: Verification Regulation of Measuring Instruments for Cereals Density

---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.
Verification Regulation of Measuring Instruments for Cereals Density State verification procedures People's Republic of China Test weight apparatus Posted 2008-05-23 2008-11-23 implementation The State Administration of Quality Supervision, Inspection and Quarantine released Bulk density is test procedures Replacing JJG 264-1981 The regulations by the State Administration of Quality Supervision, Inspection and Quarantine approved on May 23, 2008, and from From November 23, 2008 into effect. Focal point. the National Technical Committee on Metering flow capacity Drafting units. China Institute of Metrology This procedure flow capacity commissioned the National Technical Committee responsible for the interpretation of measurement The main drafters of this procedure. Zhang Long (China Institute of Metrology) Drafters participate. Tong Lin (China Institute of Metrology) Blizzard Song (China Institute of Metrology)

table of Contents

1 Scope (1) 2. Referenced Documents (1) 3 terminology and units of measurement (1) 4 Overview (1) 5 metering performance requirements (2) 5.1 Capacity cylinder (2) Weighing 5.2 (2) 6 General Requirements (2) 6.1 appearance requirements (2) 6.2 Technical Requirements weighing device (2) Labeled 6.3 (2) 7 control of measuring instruments (2) 7.1 verification Conditions (2) 7.2 Verification Project (3) 7.3 Verification Methods (3) 7.4 test results processing (4) 7.5 test cycle (4) Appendix A bulk density structure diagram (5) Appendix B capacity geometric measurement tube (6) Appendix C Non-self-indicating scale test methods (7) Appendix D is density test recording format (for reference) (9) Appendix E density is the certificate verification page format (for reference) (10) Bulk density is test procedures

1 Scope

The order applies to bulk density is initial verification, subsequent verification and use of tests.

2 Citations

The regulations cited in the following documents. JJG 14-1997 "non-self-indicating scale" JJG 539-1997 "Digital Indicating scale" GB 1353-1999 "corn" GB 5498-1985 "grain and oilseeds - Determination of bulk density test" When using this procedure, it should pay attention to using the currently valid version of the documents cited.

3 terminology and units of measurement

3.1 Bulk density is instrumentsformeasuringthedensityofcereals By measuring the quality of a certain volume of grains, cereals to determine the level measuring instruments provide the basis. 3.2 cylinder capacity measuringreceptacle Standard capacity for measuring the quality of grain is cylindrical cartridge 1L. 3.3 Grain cereal Shot wheat, sorghum, millet and maize peers. 3.4 intermediate cylinder transitioncylinder Grain barrel into connection, cereal samples through a funnel switch to free-fall cylinder capacity of the cylinder. 3.5 exhaust hammer emptyinghammer In working condition, empty gas cylinder capacity, with the grain at the same time fall into the bottom of the cylinder barrel capacity. 3.6 inserts levelingknife For leveling cylinder capacity grain aluminum plate. 3.7 funnel filinghopper Diversion cereal dispenser. 3.8 Unit computationunit The unit of measurement of bulk density. g/L (g/l).

4 Overview

Bulk density is mainly used to measure the quality of the grain. It consists of weighing systems (scales or digital indicating self-indicating scales), Cylinder capacity, grain and intermediate cylinder tube constituted. Its working principle is to use the capacity of the cylinder with the exhaust hammer, so that the measured average grain Evenly to the capacity of the barrel, the test measured grain mass per unit volume. Density configuration diagram in Appendix A.

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