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www.ChineseStandard.net Database: 189760 (18 Oct 2025)

JJG 1054-2009 English PDF

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JJG 1054-2009: Verification Regulation of Clamp Earth Resistance Meters
Status: Valid

JJG 1054: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
JJG 1054-2009English309 Add to Cart 3 days [Need to translate] Verification Regulation of Clamp Earth Resistance Meters Valid JJG 1054-2009
JJG 1054-1996EnglishRFQ ASK 3 days [Need to translate] Evaluation Specification for Analysis Result of Inorganic Composition in Serum Obsolete JJG 1054-1996

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Basic data

Standard ID JJG 1054-2009 (JJG1054-2009)
Description (Translated English) Verification Regulation of Clamp Earth Resistance Meters
Sector / Industry Metrology & Measurement Industry Standard
Classification of Chinese Standard A55
Classification of International Standard 17.220
Word Count Estimation 13,14
Date of Issue 2009-10-09
Date of Implementation 2010-01-09
Quoted Standard JJF 1001-1998; JJF 1002-1998; GB 4793.1-2007; GB/T 13978-2008
Regulation (derived from) AQSIQ Announcement No. 113 of 2009
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine
Summary This standard applies to Digital Clamp Earth Resistance Tester (hereinafter referred to clamp resistance meter) of the initial verification, testing and use of follow-up inspection.

JJG 1054-2009: Verification Regulation of Clamp Earth Resistance Meters

---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 Clamp Earth Resistance Meters State verification procedures People's Republic of China Clamp earth resistance meter Posted 2009-10-09 2010-01-09 implementation The State Administration of Quality Supervision, Inspection and Quarantine released Clamp ground resistance meter test procedures Clamp The regulations by the State Administration of Quality Supervision, Inspection and Quarantine approved on October 9, 2009, and from From January 9, 2010 into effect. Focal point. the National Technical Committee on Electromagnetic measurement Main drafting unit. Guangxi Institute of measurement testing Participated in the drafting unit. China Institute of Metrology ETCR Electronic Technology Co., Ltd. The measurement procedure commissioned the National Technical Committee is responsible for interpreting electromagnetic The main drafters of this procedure. Mo Huarong (Guangxi Institute of measurement detection) Yellow snow (Guangxi Institute of measurement detection) Shao Haiming (China Institute of Metrology) Wang Kai Chi (Guangxi Institute of measurement detection) Drafters participate. Luan Hao East (ETCR Electronic Technology Co., Ltd.) Fu Mei Ann (ETCR Electronic Technology Co., Ltd.)

table of Contents

1 Scope (1) 2. Referenced Documents (1) 3 Overview (1) 4 metering performance requirements (2) 4.1 clamp resistance meter maximum permissible error formula and the level of accuracy (2) 4.2 Resolution (2) 4.3 display capability (2) 4.4 Effect of eccentric position (2) 4.5 Repeatability Measurement (2) 4.6 alarm threshold setting error (2) 5 General Requirements (2) 5.1 Appearance (2) 5.2 energizing check (2) 5.3 pressure test (3) 6 Control of measuring instruments (3) 6.1 Verification condition (3) 6.2 Verification Project (3) 6.3 Verification Methods (4) Processing 6.4 Verification Results (5) 6.5 test cycle (5) Appendix A clamp earth resistance meter verification original record format (6) Appendix B clamp earth resistance meter calibration certificate (within the page) format (7) Appendix C clamp earth resistance meter test results notice (within the page) format (8) Clamp ground resistance meter test procedures

1 Scope

The order applies to digital clamp earth resistance meter (hereinafter referred to clamp resistance meter) of the initial verification, verification and follow-up Use the test.

2 Citations

This procedure refers to the following documents. JJF1001-1998 "common measurement terms and definitions" JJF1002-1998 "national verification procedures to write rules" GB 4793.1-2007 "measurement, control and laboratory use electrical equipment safety requirements" GB/T 13978-2008 "DMM" When using this procedure, it should pay attention to using the currently valid version of the documents cited.

3 Overview

Clamp resistance meter measuring earth resistance the basic principle is to measure the loop resistance, as shown in FIG. Part of the jaw clamp resistance meter By the coil voltage and current coils, the excitation signal voltage coils and sensing a potential in the circuit under test E. In the role of potential E generates a current in the circuit under test I. Clamp resistance meter to measure E and I, and by the following The formula to get the measured resistance R. R = E Forceps only the jaws of the clamp to stop the table vise measured grounding wire form a loop when the resistance measured, from the LCD screen can be Read grounding resistance without auxiliary electrode, without the grounding load isolation for online measurement. Figure 1 clamp resistance meter Grounding Resistance Measurement Fundamentals Figure 2 Schematic clamp resistance meter 1- LCD display; 2 - trigger; 3- clamp

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