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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    PREN 50 XXX - BASIC STANDARD ON MEASUREMENT AND CALCULATION PROCEDURES FOR HUMAN EXPOSURE TO ELECTRIC, MAGNETIC AND ELECTROMAGNETIC FIELDS (0 HZ - 300 GHZ)

    Available format(s):  Hardcopy, PDF

    Superseded date:  28-02-2009

    Language(s):  English

    Published date: 

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    1 Scope
    2 Normative references
    3 Definitions
       3.1 Antenna
       3.2 Contact current
       3.3 Current density (J)
       3.4 Exposure
       3.5 Far-field region
       3.6 Induced current (I)
       3.7 Electric field strength (E)
       3.8 Magnetic field strength (H)
       3.9 Magnetic flux density (B)
       3.10 Near-field region
       3.11 Peak value of (electric or magnetic) field strength
       3.12 Permeability (mu)
       3.13 Phantom
       3.14 Power density (S)
       3.15 Root-mean square (rms)
       3.16 Root-sum square (rss)
       3.17 Specific absorption rate (SAR)
       3.18 Response time
       3.19 Unperturbed field
    4 Measurement
       4.1 General observations
       4.2 Uncertainty
            4.2.1 Evaluating uncertainties
            4.2.2 Examples of typical uncertainties
       4.3 Calibration
            4.3.1 Introduction
            4.3.2 Calibration techniques for EM field probes
            4.3.3 Calibration range
            4.3.4 Calibration uncertainty
       4.4 EM field strength measurement
            4.4.1 General requirements on measurement equipment
            4.4.2 Electric field probes
            4.4.3 Magnetic field probes
            4.4.4 Measurement procedures
            4.4.5 Measurements of unperturbed electric or
                   magnetic field strength
       4.5 Body current measurement
            4.5.1 Measurement devices for limb currents
            4.5.2 Measurement devices for contact current
            4.5.3 Body current assessment methods
       4.6 Specific absorption rate (SAR)
            4.6.1 Internal electric field strength measurements
            4.6.2 Internal temperature measurements
            4.6.3 Calorimetric measurements of heat transfer
    5 Calculation
       5.1 General aspect
    6 Phantoms
    7 Assessment report
       7.1 General
       7.2 Items to be recorded in the assessment report
            7.2.1 Assessment method
            7.2.2 Presentation of the results
    8 References
    Annex A (normative) Models for validation of calculation methods
          A.1 Unperturbed electric and magnetic fields
          A.2 Body current and current density
          A.3 Specific Absorption Rate
          A.4 References
    Annex B (informative) Numerical methods
          B.1 Finite Element Method (FEM)
          B.2 Finite Difference Method (FDM)
          B.3 Finite Difference Time Domain (FDTD)
          B.4 Integral Equations (IE)
          B.5 Impedance Method (IM)
          B.6 Generalised Multipole Technique (GMT)
          B.7 Hybrid Finite Element-Boundary Element method (FEM-BEM)
          B.8 References
    Annex C (informative) Uncertainty assessment for the
            measurement of EMF
          C.1 Steps in establishing an uncertainty budget
          C.2 Example for calculation of uncertainty measuring
              field strength using a biconical antenna in the
              frequency range 30 MHz to 300 MHz (vertical
              polarization at 3 m and 10 m distance)
          C.3 References

    General Product Information - (Show below) - (Hide below)

    Comment Closes On
    Committee GEL/106
    Document Type Draft
    Publisher British Standards Institution
    Status Superseded
    Superseded By

    Standards Referencing This Book - (Show below) - (Hide below)

    ISO/IEC 17025:2005 General requirements for the competence of testing and calibration laboratories
    EN 50361:2001 Basic standard for the measurement of Specific Absorption Rate related to human exposure to electromagnetic fields from mobile phones (300 MHz - 3 GHz)
    IEC 61000-4-3:2006+AMD1:2007+AMD2:2010 CSV Electromagnetic compatibility (EMC) - Part 4-3: Testing and measurement techniques - Radiated, radio-frequency, electromagnetic field immunity test
    ETR 200028 : 20002 RADIO EQUIPMENT & SYSTEMS (RES) - UNCERTAINTIES IN THE MEASUREMENT OF MOBILE RADIO EQUIPMENT CHARACTERISTICS
    IEC 60359:2001 Electrical and electronic measurement equipment - Expression of performance
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