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JJG 17-2016

Chinese Standard: 'JJG 17-2016'
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusRelated Standard
JJG 17-2016English389 Add to Cart Days<=4 Steelyard Scales Valid JJG 17-2016
JJG 17-2016Chinese20 Add to Cart <=1-day [PDF from Chinese Authority, or Standard Committee, or Publishing House]

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Detail Information of JJG 17-2016; JJG17-2016
Description (Translated English): Steelyard Scales
Sector / Industry: Metrology & Measurement Industry Standard
Classification of Chinese Standard: A53
Word Count Estimation: 17,169
Date of Issue: 2016-11-25
Date of Implementation: 2017-05-25
Older Standard (superseded by this standard): JJG 17-2002
Drafting Organization: Shandong Institute of Metrology, Jinan City, measurement test test hospital
Administrative Organization: National Weighing Measurement Technology Committee
Regulation (derived from): State Administration of Quality Supervision, Inspection and Quarantine Notice No.116 of 2016
Issuing agency(ies): State Administration of Quality Supervision, Inspection and Quarantine


JJG 17-2016
Steelyard Scales
National Metrological Verification Regulation of the People's Republic of China
Bar scales
2016-11-25 release
2017-05-25 implementation
State Administration of Quality Supervision, Inspection and Quarantine issued
Bar scale verification procedures
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Replacing JJG 17-2002
Responsible unit. National Weighing Measurement Technology Committee
The main drafting unit. Shandong Institute of Metrology
Jinan City measurement test test hospital
Participated in the drafting unit. Qinghai Institute of measurement and testing
Qingdao Institute of Metrology and Technology
This procedure entrusts the National Weighing Metrology Technical Committee to explain
The main drafters of this procedure.
Ma Kun (Shandong Institute of Metrology)
Li Jun (Jinan City Metrology and Testing Institute)
Shen Dongbin (Shandong Institute of Metrology)
Participate in the drafters.
Ancestral tiger (Qinghai metrological verification test)
Zhang xin (Qingdao Metrology Technology Research Institute)
Liang Liang (Qingdao Metrology Technology Research Institute)
table of Contents
Introduction (II)
1 range (1)
2 References (1)
3 terms and units of measurement (1)
3.1 Terms (1)
3.2 Units of measurement (2)
4 Overview (2)
5 Measurement performance requirements (2)
5.1 Division of accuracy levels (2)
5.2 Test division value (2)
5.3 Maximum allowable error of the scale (3)
5.4 Weighing (3)
5.5 Repeatability (3)
5.6 Sensitivity (3)
6 General technical requirements (3)
6.1 Safety of measurement (3)
6.2 Applicability of the test (3)
6.3 Indication of weighing results (3)
6.4 indicating device (4)
6.5 Specifications for mound and bar scales (5)
6.6 Stable Balance (6)
6.7 Metrological legal and identification instruments (6)
7 Metering device control (6)
7.1 Standard instruments and appliances for testing (6)
7.2 Verification Project (6)
7.3 Inspection of general technical requirements (7)
7.4 Measurement performance test (7)
7.5 Processing of test results (9)
7.6 Verification cycle (9)
Appendix A Verification Record Format (Recommended) (10)
Appendix B Verification Certificate Page Format (Recommended) (11)
Appendix C Results of Notification (Page 7) (12)
introduction
This procedure is a revision of JJG 17-2002 "bar scale". JJF1002-2010 was executed in the format
Rules for the preparation of national metrological verification procedures. Compared with JJG 17-2002, in addition to editorial changes are mainly the following
Variety.
--- Added some of the necessary terms related to metrological verification (see 3.1);
--- delete the use of inspection;
--- delete the stereotypes identification, prototype test content;
--- deleted the knife and the new rope combination and rope type scale;
--- increased the concept of balanced location (see 3.1.8);
- increased safety of measurement (see 6.1);
- an increase in the indication of the error and repeatability of the calculation formula (see 7.4.1.1, 7.4.1.2);
- modified the stability of the definition of stability, to stabilize the balance (see 6.6);
--- revised the verification record format and test certificate, the results of the notice within the page format, see Appendix A,
Appendix B, Appendix C.
Prerequisites of this Code Release.
--- JJG 17-2002;
--- JJG 17-1986;
--- JJG 17-1980.
Bar scale verification procedures
1 Scope
This procedure applies to the initial accuracy and subsequent verification of the overall accuracy of the bar scale.
2 reference file
JJG 99 weight
JQF1181 Weighing Terms and Definitions
For dated references, only the dated edition applies to this rule; references that are not dated
, The latest version (including all amendments) applies to this procedure.
3 terms and units of measurement
3.1 terminology
The terms used in this procedure are consistent with the terminology of JJF1181. For ease of use and easy to understand, adopt and increase
Plus some terminology.
3.1.1 bar scale steelyardscale
A scale with a scale, a single lever and a ruler.
3.1.2 zero point zeroliftingcord
Determine the scale of the balance when the balance.
3.1.3 maximum capacity (Max) maximumcapacity
The maximum weighing capacity of the bar scale.
Final charge of terminalcapacity
Zero point of the largest weighing value.
3.1.5 maximum capacity of the new maximum-capacityliftingcord
Determine the scale of the first weighing balance.
3.1.6 initial capacity initialcapacity
The maximum weighing capacity of the initial scale.
3.1.7 Balance of balance
When the lever of the indicator part (hammer) to stabilize the equilibrium state (close to the horizontal position).
3.1.8 Balance position
The position of the scale in the equilibrium state (the end of the bar is above the horizontal position and vice versa).
Stable equilibrium
When the scale lever deviates from the equilibrium position and is free and undisturbed, it will return to the original equilibrium position or
Near the swing of a balance.
3.1.10 indicator device for scale scale displayingdeviceofasteelyardscale
Means for weighing the results of weighing instruments in a visible form.
Related standard:   JJG 13-2016  JJG 14-2016
   
 
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