IEC 60731:1997/AMD1:2002

INTERNATIONAL IEC
STANDARD
AMENDMENT 1
2002-06
Amendment 1
Medical electrical equipment –
Dosimeters with ionization chambers
as used in radiotherapy
Amendement 1
Appareils électromédicaux –
Dosimètres à chambres d'ionisation
utilisés en radiothérapie
 IEC 2002 Droits de reproduction réservés  Copyright - all rights reserved
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– 2 – 60731 Amend. 1  IEC:2002(E)
FOREWORD
This amendment has been prepared by subcommittee SC 62C: Equipment for radiotherapy,
nuclear medicine and radiation dosimetry, of IEC Technical Committee 62: Electrical
equipment in medical practice.
The text of this amendment is based on the following documents:
FDIS Report on voting
62C/332/FDIS 62C/338/RVD
Full information on the voting for the approval of this amendment can be found in the report
on voting indicated in the above table.
The committee has decided that the contents of the base publication and its amendments will
remain unchanged until 2006. At this date, in accordance with the committee’s decision, the
publication will be
• reconfirmed;
• withdrawn;
• replaced by a revised edition, or
• amended.
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Page 89
6.1.6 Electromagnetic compatibility
Replace subclauses 6.1.6.3 to 6.1.6.5 by the following:
6.1.6.3 Conducted disturbances induced by bursts and radio-frequencies
The maximum spurious indications (both transient and permanent) of the display or data
output due to conducted disturbances induced by bursts and radio-frequencies shall be less
than the limits given in table 3c).
For mains-operated instruments, compliance shall be checked by observing and recording the
indications of the display and any data output terminals while measurements are performed
on the most sensitive range (if the ranges are selectable), both with and without the presence
of conducted disturbances induced by bursts (IEC 61000-4-4) and conducted disturbances
induced by radio-frequency fields (IEC 61000-4-6). The severity level shall in both cas
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