IEC 61786-1998
关于人体暴露的低频电场和磁场的测量 仪表的特殊要求和测量指南

Measurement of low-frequency magnetic and electric fields with regard to exposure of human beings - Special requirements for instruments and guidance for measurements

IEC 61786-1998 发布历史

This International Standard provides guidance for measuring the steady-state root-mean-square (r.m.s.) values of quasi-static magnetic and electric fields which have a frequency content in the range 15 Hz to 9 kHz. Sources of quasi-static fields include devices that operate at power frequencies and produce power frequency and power frequency harmonic fields, as well as devices that produce fields independent of the power frequency. The magnitude ranges covered by this standard are 100 nT to 100 mT and 1 V/m to 50 kV/m for magnetic fields and electric fields, respectively. When measurements outside this range are performed, most of the provisions of this standard will still apply, but certain provisions such as specified uncertainty and calibration procedure may need modification. Specifically, this standard - defines terminology; - identifies requisite field meter specifications; - indicates methods of calibration; - defines requirements on instrumentation uncertainty; - describes general characteristics of fields; - surveys operational principles of instrumentation; - describes measurement methods that achieve defined goals pertaining to human exposure. Sources of uncertainty during calibration and measurements are also identified and guidance is provided on how they should be combined to determine total measurement uncertainty. In regard to electric field measurements, this standard considers only the measurement of the unperturbed electric field strength at a point in space (i.e. the electric field prior to the introduction of the field meter and operator) or on conducting surfaces. NOTE - Some separation between the normative measurement requirements in clauses 5 and 6 and the example measurement protocols and guidance for measurements in annexes D and E is unavoidable because of format requirements.

IEC 61786-1998由国际电工委员会 IX-IEC 发布于 1998-08。

IEC 61786-1998 在中国标准分类中归属于: K04 基础标准和通用方法，在国际标准分类中归属于: 17.220.20 电和磁量值的测量。

IEC 61786-1998的历代版本如下：

• 2013年12月 IEC 61786-1-2013 关于人体暴露于1 Hz至100 kHz直流电磁场、交流电磁场及交流电场的测量.第1部分:测量仪器的要求(提案的横向标准)
• 1998年08月 IEC 61786-1998 关于人体暴露的低频电场和磁场的测量 仪表的特殊要求和测量指南
• 2014年12月 IEC 61786-2-2014 关于人类接触的1 Hz至100 kHz的直流磁场, 交流磁场以及交流电领域的测量. 第2部分: 基本测量标准. 推荐的水平标准

IEC 61786-1998 关于人体暴露的低频电场和磁场的测量 仪表的特殊要求和测量指南 由 IEC 60833-1987 变更而来。

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标准号

IEC 61786-1998

发布日期

1998年08月

实施日期

废止日期

无

中国标准分类号

K04

国际标准分类号

17.220.20

发布单位

IX-IEC

被代替标准

IEC 85/191/FDIS-1998 IEC 60833-1987

适用范围

This International Standard provides guidance for measuring the steady-state root-mean-square (r.m.s.) values of quasi-static magnetic and electric fields which have a frequency content in the range 15 Hz to 9 kHz. Sources of quasi-static fields include devices that operate at power frequencies and produce power frequency and power frequency harmonic fields, as well as devices that produce fields independent of the power frequency. The magnitude ranges covered by this standard are 100 nT to 100 mT and 1 V/m to 50 kV/m for magnetic fields and electric fields, respectively. When measurements outside this range are performed, most of the provisions of this standard will still apply, but certain provisions such as specified uncertainty and calibration procedure may need modification. Specifically, this standard - defines terminology; - identifies requisite field meter specifications; - indicates methods of calibration; - defines requirements on instrumentation uncertainty; - describes general characteristics of fields; - surveys operational principles of instrumentation; - describes measurement methods that achieve defined goals pertaining to human exposure. Sources of uncertainty during calibration and measurements are also identified and guidance is provided on how they should be combined to determine total measurement uncertainty. In regard to electric field measurements, this standard considers only the measurement of the unperturbed electric field strength at a point in space (i.e. the electric field prior to the introduction of the field meter and operator) or on conducting surfaces. NOTE - Some separation between the normative measurement requirements in clauses 5 and 6 and the example measurement protocols and guidance for measurements in annexes D and E is unavoidable because of format requirements.

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