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JJG 124-2005 English PDF

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JJG 124-2005: Amperemeter, Voltmeters, Wattmeters and Ohmmeters
Status: Valid

JJG 124: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
JJG 124-2005English709 Add to Cart 5 days [Need to translate] Amperemeter, Voltmeters, Wattmeters and Ohmmeters Valid JJG 124-2005
JJG 124-1993English639 Add to Cart 5 days [Need to translate] Verification Regulation of Amperemeter Voltmeter Wattmeter and Ohmmeter Obsolete JJG 124-1993
JJG 124-1982EnglishRFQ ASK 3 days [Need to translate] (Chinese Industry Standard) Obsolete JJG 124-1982

PDF similar to JJG 124-2005


Standard similar to JJG 124-2005

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Basic data

Standard ID JJG 124-2005 (JJG124-2005)
Description (Translated English) Amperemeter, Voltmeters, Wattmeters and Ohmmeters
Sector / Industry Metrology & Measurement Industry Standard
Classification of Chinese Standard A55
Classification of International Standard 17.220
Word Count Estimation 27,261
Date of Issue 2005-10-09
Date of Implementation 2006-04-09
Older Standard (superseded by this standard) JJG 124-1993
Quoted Standard JJF 1001; JJF 1059; GB/T 7676.1; GB/T 7676.2; GB/T 7676.3; GB/T 7676.4; GB/T 7676.5; GB/T 7676.6; GB/T 7676.7; GB/T 7676.8; GB/T 7676.9
Issuing agency(ies) State Administration of Quality Supervision, Inspection and Quarantine
Summary This standard applies to Direct acting indicating analogue DC and AC (frequency 40Hz ~ 10kHz) ammeter, voltmeter, power meter, and an ohmmeter (resistance 1�� ~ 1M��) and measuring current, voltage and resistance of the multimeter (hereinafter referred to as instrumentation) for the first time test, follow-up testing and use of the test. This procedure does not apply to automatic recording type instruments, digital instruments, electronic instruments, the average voltage meter, peak voltage meter, leakage current meter, three-phase power meter and the voltage is higher than 600V electrostatic voltmeter test.

JJG 124-2005: Amperemeter, Voltmeters, Wattmeters and Ohmmeters

---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.
Amperemeter, Voltmeters, Wattmeters and Ohmmeters National Metrology Verification Regulations of the People's Republic Ammeter, voltmeter, power meter and resistance meter Amperemeters, Voltmeters, WattmetersandOhmmeters Released on October 10,.2005 2006-04-09 implementation The General Administration of Quality Supervision, Inspection and Quarantine issued Replace JJG 124-1993 This regulation was approved by the General Administration of Quality Supervision, Inspection and Quarantine on October 9,.2005, and It will take effect on April 9,.2006. Focal Point. National Electromagnetic Measurement Technical Committee Main drafting unit. Liaoning Institute of Metrology Participated in the drafting unit. Wenzhou Quality and Technology Supervision and Inspection Institute This procedure entrusts the National Electromagnetic Measurement Technical Committee to explain The main drafters of this procedure. Cui Jihong (Liaoning Institute of Metrology) Sun Lihua (Liaoning Institute of Metrology) Wang Yueying (Liaoning Institute of Metrology) Participate in the drafters. Zhang Xi (Liaoning Institute of Metrology) Zhu Jian (Wenzhou Quality and Technology Supervision and Inspection Institute)

table of Contents

1 Scope (1) 2 Citations (1) 3 Overview (1) 4 Metrology performance requirements (1) 4.1 Accuracy level (1) 4.2 Basic error (1) 4.3 Deviation from zero (2) 4.4 Location Impact (2) 4.5 Power factor impact (only for power meters) (2) 5 General technical requirements (2) 5.1 Visual inspection (2) 5.2 Insulation resistance measurement (2) 5.3 Dielectric strength test (2) 5.4 Damping (3) 6 measuring instrument control (3) 6.1 Verification conditions (3) 6.2 Verification project (4) 6.3 Verification method (4) 6.4 Processing of verification results (15) 6.5 Verification cycle (16) Appendix A The amount represented by XN (17) Appendix B ohmmeter verification procedure (18) Appendix C Original Record Home (19) Appendix D Instrument Verification Certificate Inner Page Format (20) Appendix E Format of the Instrument Verification Result Notice (21) Ammeter, voltmeter, power meter and resistance meter verification procedures

1 Scope

This procedure is applicable to direct acting analog indicating DC and AC (frequency 40Hz~10kHz) ammeter, voltage Table, power meter and resistance meter (resistance 1Ω~1MΩ) and multimeter for measuring current, voltage and resistance (below The first verification, subsequent verification and inspection in use are referred to as meters. This procedure does not apply to automatic recording instruments, digital meters, electronic meters, average voltmeters, peaks Verification of voltmeters, leakage current meters, three-phase power meters and electrostatic voltmeters with voltages higher than 600V.

2 Citations

JJF1001-1998 General Terms and Definitions JIF1059-1999 "Measurement and Expression of Measurement Uncertainty" GB/T 7676.1~7676.9-1998 "Direct acting simulation indicating electrical measuring instruments and their accessories" When using this procedure, care should be taken to use the current valid version of the above cited documents.

3 Overview

The meter is composed of two parts. the measuring line and the measuring mechanism. When measured, it becomes a measuring mechanism through the measuring line This amount drives the movement of the measuring mechanism to indicate the measured size. Due to different driving methods, commonly used instruments can be divided into magnetoelectric system, electromagnetic system, electric system, electrostatic system and rectification. Department and so on.

4 Metrological performance requirements

4.1 Accuracy level The accuracy level and maximum allowable error (ie, reference error) of the meter shall comply with the requirements of Table 1. Table 1 Accuracy level and maximum allowable error Accuracy level 0.1 0.2 0.5 1.0 1.5 Maximum allowable error (%) ±0.1 ±0.2 ±0.5 ±1.0 ±1.5 Accuracy level 2.0 2.5 5.0 10 20 Maximum allowable error (%) ±2.0 ±2.5 ±5.0 ±10 ±20 4.2 Basic error 4.2.1 The basic error of the meter shall not exceed the scale within the scale measurement range (effective range) on all index lines. The maximum allowable error specified in Table 1. The basic error of the meter is expressed by the reference error and is calculated according to the formula (1). γ= X-X0 XN × 100% (1)

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