LST1215-2008 English PDF

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LST1215-2008: Technical specification for calibrating wheat hardness index tester
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
LS/T 1215-2008	319	Add to Cart	3 days	Technical specification for calibrating wheat hardness index tester	Valid

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Basic data

Standard ID: LS/T 1215-2008 (LS/T1215-2008)
Description (Translated English): Technical specification for calibrating wheat hardness index tester
Sector / Industry: Food & Beverage Industry Standard (Recommended)
Classification of Chinese Standard: B20
Classification of International Standard: 67.060
Word Count Estimation: 12,127
Date of Issue: 2008-08-31
Date of Implementation: 2008-10-01
Quoted Standard: GB/T 2423.10; GB 5226.1-2002; GB/T 21304-2007; LS/T 1214; LS/T 1531
Regulation (derived from): National Food Authority Notice 2008 No. 7
Issuing agency(ies): National Grain Administration
Summary: This standard specifies the wheat hardness index detector test requirements, appliance control, test items and test methods, test results of the treatment and test cycle. This standard applies to the use of anti mechanical crushing principle, wheat hardness measurement object as wheat hardness index detector (hereinafter referred to as the instrument) for initial verification, testing and use of follow-up inspection.

LST1215-2008: Technical specification for calibrating wheat hardness index tester

---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.
Technical specification for calibrating wheat hardness index tester ICS 67.060 B20 Record number. 24998-2008 People's Republic of China food industry standard Wheat hardness index tester verification technical specification Released on.2008-08-31 2008-10-01 implementation National Food Bureau released

Foreword

Appendix A, Appendix B and Appendix C of this standard are informative annexes. This standard was proposed by the National Food Bureau Standard Quality Center. This standard is under the jurisdiction of the National Grain and Oil Standardization Technical Committee. This standard was drafted. Wuxi Grain Machinery Factory, Henan University of Technology, Wuxi Tin Grain Machinery Manufacturing Co., Ltd. The main drafters of this standard. Tang Daowu, Yan, Wu Cunrong, Cheng Shunchang, Zhao Renyong, Jiang Rengen, Zhang Lixia, Tang Huaijian, Yang Zuoming. Wheat hardness index tester verification technical specification

1 Scope

This standard specifies the requirements for the verification of wheat hardness index tester, appliance control, verification items and verification methods, and the treatment of verification results. And the verification cycle. This standard is applicable to wheat hardness index measuring instrument (hereinafter referred to as instrument) which adopts the principle of anti-mechanical pulverization and uses wheat hardness as the object of measurement. First verification, subsequent verification, and in-use inspection.

2 Normative references

The terms in the following documents become the terms of this standard by reference to this standard. All dated references, followed by all Modifications (not including errata content) or revisions do not apply to this standard, however, parties to agreements based on this standard are encouraged to study Is it possible to use the latest version of these files? For undated references, the latest edition applies to this standard. GB/T 2423.10 Environmental testing of electric and electronic products - Part 2. Test method test Fc. Vibration (sinusoidal) GB 5226.1-2002 Mechanical safety machinery and electrical equipment - Part 1. General technical conditions GB/T 21304-2007 Determination of Hardness Index of Wheat Hardness LS/T 1214 Wheat Hardness Index Standard Sample Preparation Technical Specification LS/T 1531 Wheat Hardness Index Standard Sample

3 Overview

The wheat hardness index analyzer is mainly composed of a weighing system, a pulverizing system, a receiving system, and a data processing and display system. Wheat hard The working principle of the degree indexer is that a certain amount of sample is pulverized under the specified experimental conditions, and the mass of the pulverized sample in the hopper is weighed, and The hardness index of the sample is automatically calculated and displayed. The wheat hardness index meter is used to determine the hardness of wheat and judge the soft and hard wheat.

4 requirements

4.1 Appearance 4.1.1 The instrument should be complete and complete, and all parts work normally. 4.1.2 The instrument shall have the following marks. instrument name, model number, manufacturer name, factory number and date of manufacture. 4.1.3 All fasteners of the instrument and accessories should be fastened; the connecting parts should be well connected; the moving parts should be flexible and stable. 4.1.4 Power cables, signal cables, etc., and connectors and sockets work closely together. 4.1.5 Each button and switch of the instrument can work normally without looseness, and the corresponding functions should be normal. 4.2 Accuracy The wheat hardness index standard sample (LS/T 1531) was tested using the wheat hardness index tester according to the procedure specified in GB/T 21304. The absolute value of the fixed value and the standard value of the wheat hardness index standard sample is not more than 1.5. 4.3 Security requirements 4.3.1 General requirements for security Should meet the requirements of 19.2, 19.3, 19.4 of GB 5226.1-2002. 4.3.2 Grounding resistance The grounding resistance between the grounding terminal and the metal part requiring grounding shall be no more than 0.1Ω. ......

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