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JJG 561-2016 English PDF

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JJG 561-2016: Near-Zone Electric-field Measuring Instruments
Status: Valid

JJG 561: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
JJG 561-2016English329 Add to Cart 3 days [Need to translate] Near-Zone Electric-field Measuring Instruments Valid JJG 561-2016
JJG 561-1988English279 Add to Cart 3 days [Need to translate] Verification regulation of Model RJ-3 Near -Zone Electric -Field Measuring Instruments Obsolete JJG 561-1988

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Basic data

Standard ID JJG 561-2016 (JJG561-2016)
Description (Translated English) Near-Zone Electric-field Measuring Instruments
Sector / Industry Metrology & Measurement Industry Standard
Classification of Chinese Standard A56
Word Count Estimation 14,138
Date of Issue 2016-11-30
Date of Implementation 2017-05-30
Older Standard (superseded by this standard) JJG 561-1988
Regulation (derived from) State Administration of Quality Supervision, Inspection and Quarantine Notice No.119 of 2016
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine

JJG 561-2016: Near-Zone Electric-field Measuring Instruments

---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.
Near-Zone Electric-field Measuring Instruments National Metrological Verification Regulation of the People's Republic of China Near - field electric field measuring instrument 2016-11-30 release 2017-05-30 implementation State Administration of Quality Supervision, Inspection and Quarantine issued Test procedure for near - field electric field measuring instrument Replacing JJG 561-1988 Coordinate Unit. National Radio Measurement Technology Committee Drafting unit. China Institute of Metrology This procedure entrusts the National Radio Measurement Technology Committee to explain The main drafters of this procedure. Li Bo (China Institute of Metrology) Li Dabo (China Institute of Metrology) Xie Ming (China Institute of Metrology)

table of Contents

Introduction (II) 1 Scope (1) 2 References (1) 3 Overview (1) 4 Measurement performance requirements (1) 5 General technical requirements (1) 6 Metering device control (1) 6.1 Test conditions (1) 6.2 Verification method (3) 6.3 Processing of test results (4) 6.4 Test cycle (4) Appendix A Verification of the original record format (5) APPENDIX B INSPECTION CERTIFICATE/QUALIFICATION RESULTS Notice Page Format (Page 2) (7) APPENDIX C INSPECTION CERTIFICATE/QUALITY RESULTS NO. Verification Result Page Style (Page 3) (8)

Introduction

This procedure is based on JJF1002-2010 "national measurement procedures for the preparation of rules" preparation. This procedure is based on IEEE1309-2005, "9kHz ~ 40GHz electromagnetic field sensor and probe (except antenna) Calibration of the IEEE standard "as the basis, JJG 561-1988" near the field of electric field measuring instrument "to amend the The main reference to the IEEE1309-2005 on the 9kHz ~.200MHz standard field generation method and its uncertainty Analysis of the relevant content. Compared with JJG 561-1988, in addition to editorial changes, the procedures of the technical content of the changes are as follows. The lower limit of the frequency range is extended to 100 kHz; - the basic range of the original test, other range test and frequency response test merger, in the frequency range Select a number of frequency points, at each frequency point were detected under the common field strength range of the lower limit (10V/m), the upper limit (150V/m) and the median (50V/m) of the field strength measurement error. The previous versions of this order are released as follows. Near - field electric field measuring instrument - JJG 561-1988. Test procedure for near - field electric field measuring instrument

1 Scope

This procedure applies to the frequency range of 100kHz ~.200MHz, commonly used field strength range of 10V/m ~ 150V/m Of the nearest field electric field measuring instrument of the first test, follow-up test and use in the inspection.

2 reference file

This procedure refers to the following documents. IEEE1309-2005 9kHz ~ 40GHz electromagnetic field sensor and probe (except antenna) calibration IEEE standard (IEEE Standard for CFibrationofElectromagneticFieldSensorsand Probes, ExcludingAntennas, from 9 kHz to 40 GHz). 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 Overview

The near field electric field measuring instrument is used in the medium to measure the RF electric field component, and the measured electric field produces the smallest disturbance Device. Which comprises the following components. (1) an electric small size sensor (or sensor group) for detecting radio frequency electric field components; ② the RF signal is converted to the proportion of DC signal or slow exchange of AC signal devices; ③ for picking rectification (inspection Wave) signal with a high impedance characteristic of the resistive transmission line.

4 Measurement performance requirements

Maximum allowable error of field strength measurement. ± 30%.

5 General technical requirements

The equipment to be inspected should have the manufacturer, instrument name, instrument type, factory number and power supply information. Near field electric field The control buttons, key switches, input and output ports of the measuring instrument should be clearly marked and made of measuring instruments License mark. Check the instrument should not interfere with the reading and affect the normal work of mechanical damage, control knobs and buttons should be able to work For the display can be normal display, a variety of signs should be clear and complete; pointer meter pointer should not be bent, the first table mechanical Zero can be adjusted freely.

6 Metering device control

6.1 Test conditions 6.1.1 Environmental conditions a) Ambient temperature. (23 ± 5) ° C; b) relative humidity. 20% to 80%;

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