• Shopping Cart
    There are no items in your cart

02/205824 DC : 0

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by

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Superseded date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

Superseded by

BS EN 50413 : 2009

Language(s)

English

€51.42
Excluding VAT

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

Committee
GEL/106
DocumentType
Draft
Pages
62
PublisherName
British Standards Institution
Status
Superseded
SupersededBy

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

Access your standards online with a subscription

Features

  • Simple online access to standards, technical information and regulations.

  • Critical updates of standards and customisable alerts and notifications.

  • Multi-user online standards collection: secure, flexible and cost effective.