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JJG 4-2015 English PDF

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JJG 4-2015: Steel Measuring Tapes
Status: Valid

JJG 4: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
JJG 4-2015English419 Add to Cart 4 days [Need to translate] Steel Measuring Tapes Valid JJG 4-2015
JJG 4-1999English439 Add to Cart 4 days [Need to translate] Verification Regulation of Steel Tape Obsolete JJG 4-1999
JJG 4-1989English199 Add to Cart 2 days [Need to translate] Verification Regulation of Steel Tapes Obsolete JJG 4-1989

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Basic data

Standard ID JJG 4-2015 (JJG4-2015)
Description (Translated English) Steel Measuring Tapes
Sector / Industry Metrology & Measurement Industry Standard
Classification of Chinese Standard A52
Classification of International Standard 17.040
Word Count Estimation 18,146
Date of Issue 2015-08-24
Date of Implementation 2016-02-24
Older Standard (superseded by this standard) JJG 4-1999
Quoted Standard GB/T 13236-2011; QB/T 2443-2011; OIML R35-1-2007
Regulation (derived from) AQSIQ Announcement 2015 No.106
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine
Summary This Standard applies to ordinary steel tape, steel tape sounding initial verification, use and subsequent verification check.

JJG 4-2015: Steel Measuring Tapes

---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.
(Steel tape measure test procedures) State verification procedures People's Republic of China Steel tape Issued on. 2015-08-24 2016-02-24 implementation The State Administration of Quality Supervision, Inspection and Quarantine released Steel tape measure test procedures Replacing JJG 4-1999 Focal point. the National Technical Committee of length measuring geometry Main drafting unit. Tianjin Institute of Supervision and Testing Weighing Beijing Institute of Metrology detection Participated in the drafting unit. China Institute of Metrology Harbin Puli Sen Tools Co., Ltd. Harbin eternal measuring instruments Ltd. This procedure length measuring geometry commissioned the National Technical Committee is responsible for interpretation The main drafters of this procedure. Liu Jiali (Tianjin Supervision and Testing Institute of Metrology) Tian Yong (Tianjin Supervision and Testing Institute of Metrology) Zhang Man Shan (Beijing Institute of Metrology detection) Luray Jun (Tianjin Supervision and Testing Institute of Metrology) Drafters participate. Jiangyuan Lin (China Institute of Metrology) Wang Jianwei (Puli Sen Harbin Measuring Tool Co., Ltd.) Yang Shumin (eternal Harbin Measuring Instruments Ltd.)

table of Contents

Introduction (Ⅱ) 1 Scope (1) 2. References (1) 3 Terms (1) Tension 3.1 (1) 3.2 dipstick mound (1) 4 Overview (1) 5 metering performance requirements (3) Lined width 5.1 (3) 5.2 Zero error (3) 5.3 Indication error (3) 6 General Requirements (4) 6.1 Appearance (4) 6.2 Interaction of each part (4) 7 control of measuring instruments (5) 7.1 test conditions (5) 7.2 test items and test equipment (5) 7.3 Verification Methods (6) 7.4 Verification Results Processing (7) 7.5 test cycle (8) Appendix A Sounding steel tape measure zero error test (9) Appendix B test certificates/test results in the notice page and format (10)

Introduction

This procedure is based on OIMLR35-1.2007 (E) "common tool length measurement" requirement, in accordance with JJF1002-2010 requirements "national verification procedures to write the rules," the on JJG 4-1999 "steel tape measure" into Line revision. Compared with JJG 4-1999 "steel tape measure", in addition to editorial changes, the major technical changes are as follows. --- Remove Strapping steel-related content; --- Significant increase in the number of steel tape, steel tape rack outline drawings and related metering performance requirements; --- Increasing the arc foot with steel tape tension at the time of verification is not specified requirements; --- Increased requirements indication error test, applying a different tension according to the length of the test station; --- Increased requirements for steel tape subsequent verification error of indication; adjust the steel tape measure centimeter division shows the maximum allowable value Requirements error; --- Modified sounding steel tape indication error, measurement error performance requirements of the tension, the abolition of grade Ⅰ, Ⅱ grade Sounding steel tape of classification requirements; --- Increasing the error indication data processing formulas; --- Increasing the length of the steel tape test station requirements; --- Increased sounding steel tape measure zero error test the metering performance requirements; --- Removed certified by the stamp requirement. JJG 4 of previously issued as follows. JJG 4-1999; --- JJG 4-1989, JJG 398-1995, JJG 399-1985 merger; --- JJG 4-1980; --- JJG 4-1958. Steel tape measure test procedures

1 Scope

The order applies to ordinary steel tape, steel tape sounding initial verification, use and subsequent verification check. 2. References This procedure references the following documents. GB/T 13236-2011 Petroleum and liquid petroleum product storage tank level measurement equipment manual QB/T 2443-2011 Steel Tape OIMLR35-1.2007 (E) conventional length measurement tool (OIMLInternationalrecom- mendation. materialmeasuresoflengthforgeneraluse) For dated references, only the dated edition applies to this procedure; undated reference documents Member, the latest edition (including any amendments) applies to this procedure.

3 Terms

3.1 tension tension Straighten foot tape measure belt tension when applied. 3.2 dipstick mound dip-weight Connected to the foot with the lower end, the quality can be maintained with a heavy foot plumb.

4 Overview

Ordinary steel tape is used to measure the length of the measuring object. Sounding steel tape measure with a ruler by the mound and dipstick combinations Body to measure the depth of the liquid composition dedicated gages. The main structural steel tape measure to have a certain elasticity of the entire foot zone (with feet flat or curved foot zone), or roll the metal Within the framework of foot boxes or plastic material. Steel tape end fitted with ring-pull or hook feet; restrained with tape attached to the control rule Button means of rolling; steel tape ruler sounding dipstick end with a mound, it is connected with both feet can be fixed, It may be removable. Steel tape measure its structure is generally divided into A, B, C, D, E, F six forms, its shape as shown in FIG. 1 to 6 respectively FIG.

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