1999 6:42 AM
Subject: RE: Magnetic field monitors
>
> IEC 1000-4-8 require testing products in a square loop with magentic field
> strengths expressed in Amps/meter; hence, customers want
> measurement/monitoring equipment that reads in Amps/meter.
>
> Page 17 of 1000-4-8
: Re: Magnetic field monitors
Not only are Tesla and Amps/meter related, but the relationship is a direct
proportion, given a particular medium and a particular magnetic field
intensity in the material of interest.
Magnetic Induction vector B (Tesla) = relative permeability (unitless
free space induction of 1.26uT."
Mike Hopkins
mhopk...@keytek.com
> -Original Message-
> From: Rich Nute [SMTP:ri...@sdd.hp.com]
> Sent: Thursday, December 16, 1999 6:02 PM
> To: mhopk...@keytek.com
> Cc: emc-p...@ieee.org
> Subject: Re: Magnetic field moni
Hi Michael
Take a look on Waldel & Goltermann products at www.wg.com
They have this kind of equipment.
Sérgio L. Rocha Loures
Siemens Ltda.
ICN FL EL
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with the single
mutually assured destruction (also MAD), this was an
important function and an important EMI requirement.
--
>From: Rich Nute
>To: mhopk...@keytek.com
>Cc: emc-p...@ieee.org
>Subject: Re: Magnetic field monitors
>Date: Thu, Dec 16, 1999, 5:01 PM
>
>
>
>
> Hmmm. Let
Wandel & Goltermann make magnetic field monitors with A/m units as a
selectable choice.
I believe you can get info at Chase Systems 973-252-6605
Tony
Colorado
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Hmmm. Let's see:
Magnetic field strength is measured in:
amperes/meter
oerstads
Magnetic flux density is measured in:
tesla
gauss
As near as I can tell, there is no conversion from
one to the other. This would imply they are
separate phenomenon.
I
Please respond to Mike Hopkins
To: "'IEEE'"
cc:(bcc: Ted Eckert/SDD/NAM/APCC)
From: Mike Hopkins on 12/16/99 03:33 PM
Subject: Magnetic field monitors
Our customers have asked us to supply a meter which can be used to
monitor/measure magnetic fields in Amps/
Our customers have asked us to supply a meter which can be used to
monitor/measure magnetic fields in Amps/meter for setting up tests IAW IEC
61000-4-8. We've been offering a meter made in the U.S that reads in Gauss
(seems okay for U.S. customers), but some customers in the far east are
insisting
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