Ray, see Amd 1 of EN 50061 for EMC requirements for pacemakers. Section
6.3.4 addresses static fields. A PM must not be affected by 1mT. For less
than 10 mT, the PM must function normally after the field is removed.
Richard Woods
----------
From: Ray Levasseur [SMTP:[email protected]]
Sent: Friday, December 24, 1999 12:23 PM
To: [email protected]
Subject: Pacemaker magnetic immunity
Hi Group,
First I would like to thank everyone who responded to my earlier
conducted
emission problem and the valuable suggestions. I have another issue
that has
been brought to my attention by one of our customer reps. I have a
customer
that is concerned about a couple of their equipment operators that
have
heart pacemakers and the effects on their pacemaker by magnetic
fields. Our
product has some very strong dc magnets (not a magnetic field
induced by
current flow just bar magnets)and they are concerned about the
health of
these operators. I would appreciate any information I could pass on
to this
concerned customer. Is there a standard for pacemaker magnetic
immunity such
as dc magnetic strength, measured magnetic field in A/m or micro
Tesla
measured at a defined distance and frequency? I would like to know
if our
product has the potential to cause harm to people with a pacemaker.
Any
suggestions for testing this would be greatly appreciated. All the
best for
Christmas and the New Year.
Ray Levasseur
EMC Compliance
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