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JJF 1624-2017 English PDF

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JJF 1624-2017: Program of Pattern Evaluation of Digital Weighing Displays(Weighing Indicators)
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Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
JJF 1624-2017	English	1699	Add to Cart	10 days [Need to translate]	Program of Pattern Evaluation of Digital Weighing Displays(Weighing Indicators)	Valid	JJF 1624-2017

PDF similar to JJF 1624-2017

Standard similar to JJF 1624-2017

GB/T 36126 JJF 1368 GB/T 1885 JJF 1626 JJF 1627 JJF 1625

Basic data

Standard ID	JJF 1624-2017 (JJF1624-2017)
Description (Translated English)	Program of Pattern Evaluation of Digital Weighing Displays(Weighing Indicators)
Sector / Industry	Metrology & Measurement Industry Standard
Classification of Chinese Standard	A53
Word Count Estimation	74,726
Date of Issue	2017-02-28
Date of Implementation	2017-05-28
Regulation (derived from)	General Administration of Quality Supervision, Inspection and Quarantine No. 23 of 2017
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine

JJF 1624-2017: Program of Pattern Evaluation of Digital Weighing Displays(Weighing Indicators)

---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.
Program of Pattern Evaluation of Digital Weighing Displays (Weighing Indicators) National Metrological Technical Code of the People's Republic of China Digital weighing indicator (weighing indicator) Type evaluation outline 2017-02-28 released 2017-05-28 Implementation State Administration of Quality Supervision, Inspection and Quarantine issued Digital weighing indicator Display) type evaluation outline WeighingDisplays (WeighingIndicators) Responsible unit. National Weighing Measurement Technology Committee The main drafting unit. Shandong Institute of Metrology Beijing Institute of Metrology and Testing Qingdao Institute of Metrology and Technology Participated in the drafting unit. Liaoning Institute of Metrology Tianjin Institute of Metrology and Supervision Shandong Bo Shuo Electronics Co., Ltd. This specification entrusts the National Weighing Metrology Technical Committee to explain The main drafters of this specification. Lu Xinguang (Shandong Institute of Metrology) Shi Li (Shandong Institute of Metrology) Liu Wei (Beijing Institute of Metrology and Measurement Science) Wang Junguo (Qingdao Metrology Technology Research Institute) Participate in the drafters. Zhang Baoguo (Liaoning Institute of Metrology) Fan Zhanfeng (Tianjin Metrology Supervision Experimental Institute) Huang Xiangting (Shandong Bo Shuo Electronics Co., Ltd.)

Introduction (Ⅲ) 1 Scope (1) 2 References (1) 3 Terminology (1) 3.1 Weighing module (2) 3.2 digital weighing indicator (weighing indicator) (2) 3.3 Error distribution coefficient (2) 3.4 Signal voltage (3) 3.5 Minimum load impedance (3) 3.6 Maximum load impedance (3) 3.7 Load cell simulator (3) 3.8 Impedance simulator (3) 3.9 The minimum input signal voltage corresponding to each calibration scale value (3) 3.10 Extended indicating device (3) 3.11 inherent error (3) 3.12 Initial inherent error (3) 4 Overview (3) 5 legal management requirements (3) 5.1 Accuracy class (3) 5.2 Metrological legal and marking instruments (4) 5.3 Technical data submitted for trial (4) 5.4 Technical parameters required for submission of trials (4) 5.5 Determination of test prototype (5) 6 Metering requirements (5) 6.1 Division of accuracy levels (5) 6.2 Test division value (5) 6.3 Multi-index indicator Additional requirements (6) 6.4 Maximum permissible error (6) 6.5 Zero Accuracy and Skinning Accuracy (6) 6.6 Repeatability (6) 6.7 Range stability (6) 7 General technical requirements (6) 7.1 Structure and Safety (6) 7.2 Indicators of results (7) 7.3 Zero-setting device and zero-point tracking device (7) 7.4 Tare device (7) 7.5 Preset tare device (7) 7.6 Changes caused by the amount of influence (8) 7.7 Anti-jamming performance (8) 7.8 Excitation voltage compensation function (only for the connection of six-wire weighing indicator) (9) 8 List of items (9) 8.1 List of Observations (9) 8.2 List of test items (9) 9 Test conditions and methods of test items (10) 9.1 Major test equipment (10) 9.2 Test principles (12) 9.3 Technical inspection (15) 9.4 Impact Factor Test (16) 9.5 Performance test (19) 9.6 Anti-jamming performance test (22) 9.7 Incentive voltage compensation function test (only for the connection of six-wire load cell indicator) (26) 9.8 Range stability test (28) 10 Processing of results (29) 10.1 Individual assessment (29) 10.2 Comprehensive assessment (29) Appendix A List of Key Parts (30) Appendix B Original Record Format (31) Appendix C Abbreviations and Symbols (67)

Introduction

This outline is based on the International Recommendation OIMLR76-1..2006 (E) "Non-automatic Weighing". In the format of the implementation JJF 1016 "Guidelines for the Compilation of Outline of Measuring Instruments", and the contents of the "Project List" Adjusted. - Adoption of the non-automatic weighing weighing indicator module section in International Recommendation R76-1 Appendix C; --- only for the accuracy of the level and the general accuracy of the two levels of accuracy of the weighing indicator; --- In Chapter 3, add the impedance simulator, the minimum input signal voltage corresponding to each calibration scale value; - In 7.6.2 increase the external power supply (AC or DC) and non-rechargeable battery power supply (DC) Of the voltage change requirements; --- in 9.1.3 supplement OIMLR76-1..2006 "non-automatic weighing" on the load cell simulator Points of the request; --- in 9.2.6 supplement OIMLR76-1..2006 "non-automatic weighing" on the adjustment part of the content; --- The outline of the outline of Appendix B of the evaluation records with reference to OIMLR76-2-2007 "non-automatic weighing" Part 2 Sub-test report format. Digital weighing indicator (weighing indicator) Type evaluation outline

1 Scope

This outline applies to the state according to the law in the management of the accuracy level and the general accuracy level digital weighing display type Type evaluation. For the special requirements of the weighing indicator (such as PC as a separate module and other units connected to the composition of the Heavy indicator) may be implemented in accordance with other relevant technical regulations. Note. Digital weighing indicator, also known as weighing indicator, and in the following are referred to as indicators.

2 reference file

This specification refers to the following documents. JJG99 weight JQF1181 Weighing Terms and Definitions GB/T 2423.1-2008 Environmental testing for electric and electronic products - Part 2. Test methods - Test A. Low Temperature (idtIEC 60068-2-1..2007) GB/T 2423.2-2008 Environmental testing for electric and electronic products - Part 2. Test methods - Test B. High Temperature (idtIEC 60068-2-2..2007) GB/T 2423.3-2006 Environmental testing for electric and electronic products - Part 2. Test methods - Test Cab. Constant damp heat test (idtIEC 60068-2-78..2001) GB/T 17626.2-2006 Electromagnetic compatibility test and measurement technology Electrostatic discharge immunity test (idt IEC 61000-4-2..2001) GB/T 17626.3-2006 Electromagnetic compatibility test and measurement technology Radio frequency electromagnetic radiation immunity test (idtIEC 61000-4-3..2002) GB/T 17626.4-2008 Electromagnetic compatibility test and measurement techniques Electrical fast transient burst immunity test (IdtIEC 61000-4-4..2004) GB/T 17626.5-2008 Electromagnetic compatibility test and measurement technology Surge (impact) immunity test (idtIEC 61000-4-5..2005) GB/T 17626.6-2008 Electromagnetic compatibility test and measurement techniques Radio frequency field induced conduction disturbances Degree (idtIEC 61000-4-6..2006) GB/T 17626.11-2008 Electromagnetic compatibility test and measurement techniques Voltage sags, short interruptions and voltages Variant Immunity Test (idtIEC 61000-4-11..2004) OIMLR76..2006 (E) Non-automaticweighinginstruments For dated references, only the dated edition applies to this specification; references that are not dated , The latest version (including all modifications) applies to this specification.

3 terminology

JJF 1181 Terms and Definitions for Weighing Metrology Terms and OIMLR76 Terms in Non-Automatic Weighing

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