Hello Sam,
I am not familiar with EU requirements for veterinary medical devices.
However, you may want to see what the FDA has to say about them at:
http://www.fda.gov/cvm/index/consumer/regofdevices.htm
Best regards,
Ron Wellman
At 04:01 PM 2/5/2003 -0600, Sam Davis wrote:
All,
I'm trying
This thread has been largely theoretical. Let's look at
some empirical test results for a product I just completed
testing.
The product has a redundant power configuration and nearly
identical current paths for each of two power supplies,
though one has about 2 in. longer traces on one side of
From: Rich Nute
Sent: Wednesday, February 05, 2003 12:20 PM
Hi Peter:
Hi, Rich.
This test implies a near 0-ohm fault to the
PE, where the PE circuit includes a PE trace
on the PWB.
That's a reasonable assumption and is convenient for the
purposes of testing. It is unlikely to be the
Gary,
If soft-manuals are delivered with the product, a CD drive is needed. I
agree. This depends on the kind of product. If you sell modems , the user
who buys it certainly has a PC (with a CD drive) and a small note on a small
paper can instruct the user to read the CD first on by means of
In the past I have used a compound called NO-OX. Developed by Bell Labs for
use on their power systems busses.
Looks bad, smells like 2 week old catfish - but works like a champ.
It's a highly conductive compound that doesn't corrode the parent metal or
migrate at (reasonably) elevated
On the odd chance that some researcher (or other human / animal) trys to
connect this to themselves -- it should be evaluated to the MDD.
Just a guess...
From: owner-emc-p...@majordomo.ieee.org
[mailto:owner-emc-p...@majordomo.ieee.org]On Behalf Of Sam Davis
Sent: Wednesday, February 05, 2003
Folks
As another ex-HP employee who left a long time ago but still has many fond
memories of what it was like (with the notable exception of one person -
which is why I left!) then I think that Richard's message unfortunately sums
up the attitude that now appears to prevail in some areas of both
Hi Neil:
All I get on visiting the site is 404 Page not found error on their
home page. Access to all other pages seems to be ok. Using their search
engine facility does not seem to find anything with respect to
application notes or harmonics. Anyone else have this problem?
Check out Alodyne. It's a machine shop process like anodize but
conductive.
Fred Townsend
Scott Lacey wrote:
To the group,
Does anyone know of any conductive coating, preferably spray-on,
that could be used on mating aluminum chassis surfaces? We
manufacture (in very low volume) test
Yes - That if the difference between Laws (which are National) and
Directives (which guide and direct).
1. Amendments to National Laws are (in the UK) called Statutory Instruments
and go through (usually) 'on the nod'.
2. If a government does not Enact the Directive into its Statutory
Hello all;
I find it inappropriate to bad mouth any company in this forum. Regardless
of who you work or worked for. This forum exists for the exchange of
information related to our profession as EMC and Safety engineers. If you
prefer to continue this thread, do it privately.
Regards,
Ron
Depends upon the Directive. Each Directive is addressed to the member states
and requires that the Directive be transposed into national law. Generally,
a national law may not be in conflict with the Directive in order to allow
for the free movement of goods. However, in some cases, a Directive
I read in !emc-pstc that John Roche john_ro...@compuserve.com wrote
(in 200302050650_mc3-1-2876-4...@compuserve.com) about 'CE marking and
additional information found here' on Wed, 5 Feb 2003:
A few years ago we were forever having it drummed into us
what the CE mark meant and that we should
All,
I'm trying to work up a quote for testing a product which monitors various
heart functions of living laboratory mice. Would this fall into the Medical
Directive under 60601, or the LVD, under 61010? I'm just looking at the
safety aspects, not EMC.
The question comes up because the
I read in !emc-pstc that Mike Cantwell mike.cantw...@flextronics.com
wrote (in e33a41cde780d311a052009027cc66510634d...@furic009.dal.flextro
nics.com) about 'Agilent 6842A' on Wed, 5 Feb 2003:
Those who followed them
were simply NOT able to fill their shoes.
I think they filled them, but with an
I read in !emc-pstc that Rich Nute ri...@sdd.hp.com wrote (in
200302051810.kaa05...@epgc264.sdd.hp.com) about 'EN60950 protective
conductor test' on Wed, 5 Feb 2003:
In my experience, PWB PE circuits are common,
and most difficult to obviate.
So says our SMPS expert on the national committee.
I heartily agree with both you and Ken, Mike.
I worked for HP for 7 years prior to where I am now.
I was at the old Apollo Computer manufacturing facility in
New Hampshire HP got when they bought Apollo in '89. I
saw some great products come through there but slowly saw the
whole Workstation
do the Member States have to amend their laws to be in line with the
Directives?
YES, but national measures adopted before adoption of a Directive, may be
maintained until specific days given in the Directive.
John Radomski
Schneider Electric
This message is from the IEEE EMC Society
Greetings all,
Rich, Jim, Ron and I ask that this thread be closed. We do not feel
that this forum is the place for your complaints to be voiced as this is
technically off-topic and appears as noise to many of the subscribers.
Also, bashing a company is really no different than bashing
Hi Peter:
Not quite. I^2·t will tell you the let through current of
the copper trace, but will not necessarily tell you if the
construction will be compliant. The compliance criteria for
this test include:
* no damage to the trace (no lifting, probably no
Ken,
That was impeccably said !!!
and I'd like to add:
Agilent is not your Dad's HP.
From: Ken Javor [mailto:ken.ja...@emccompliance.com]
Sent: Wednesday, February 05, 2003 11:35 AM
To: Richard A. Schumacher; mtay...@hach.com
Cc: emcp...@aol.com; emc-p...@majordomo.ieee.org
Subject: Re:
In a message dated 2/5/03 1:58:20 PM Eastern Standard Time,
marti...@appliedbiosystems.com writes:
If Member States of the European Union have existing laws in place that
conflict with, or are in addition to, European Union Directives, do the
Member States have to amend their laws to be in
I checked this out awhile ago with both UL and TUV, and both reluctantly
rejected it. The problem is as you note below safety related information
doesn't get to the user if your product doesn't have a CD drive. It couldn't
be assured that the customer would have access to it. That's been
Hi Chris:
It seems funny to me that most equipment has been historically made with
18AWG protective ground pigtail wires; and 25A ground fault tests have been
used for years.
Now that PC traces are being used for protective ground; we want to test
with 200A or greater impulse
We had ours repaired by California Instruments, the actual manufacturer of the
power supply section.
Richard Woods
Sensormatic Electronics
Tyco International
From: Kurt M. Marden [mailto:kmar...@curtis-straus.com]
Sent: Wednesday, February 05, 2003 11:40 AM
To: emc-p...@majordomo.ieee.org
Greetings,
If Member States of the European Union have existing laws in place that
conflict with, or are in addition to, European Union Directives, do the
Member States have to amend their laws to be in line with the Directives?
Any and all responses are appreciated.
Regards
Joe Martin
Hi John:
Is it not permitted to express a personal preference on this group? I
*prefer, personally*, not to use printed board traces as parts of the
PEC. I'm not suggesting that should be in IEC 60950 or any other
standard.
Of course we express personal preferences in
this
I used to support technical sales for a Brit company, Wayne Kerr, in the
USA. They sold Farnell EMC instrumentation here in the '90s. I had never
done sales work before, and it was quite interesting. One thing I learned
was that if you were in this business and you were NOT HP, then you had
I read in !emc-pstc that Barker, Neil neil.bar...@e2vtechnologies.com
wrote (in 4f826f960057d4118ec3009027e2453808a52...@whl17.e2v.uk) about
'CE marking and additional information requirements' on Wed, 5 Feb 2003:
John Woodgate wrote:
I read in !emc-pstc that Neil Helsby
I read in !emc-pstc that Barker, Neil neil.bar...@e2vtechnologies.com
wrote (in 4f826f960057d4118ec3009027e2453808a52...@whl17.e2v.uk) about
'CE marking and additional information requirements' on Wed, 5 Feb 2003:
I have to both agree and disagree with this opinion.
The CE marking does carry
Being a past employee of HP and having met David Packard and Bill Hewlett
(just as the HP-35 calculator was coming out), it was with great sadness I
watched as the management team headed by Carly F effectively dismantled
everything they had built and stood for despite and in front of Bill's son.
Jon,
We routinely provide user manuals on CD. We also offer printed media on
request. We've had no complaints.
-doug
Douglas E. Powell
Regulatory Compliance Engineer
Advanced Energy Industries, Inc.
Fort Collins, CO 80535 USA
From: Jon Jones [mailto:jon.jo...@atltelecom.com]
Sent:
On that note of (lack of) support, Agilent has no or will not release
documentation on the
old 6034L power supply. I recently acquired one which powers up but has no
output
and the front panel display shows 0 volts / amps. Agilent will be happy to
charge me $140
just to look at it. Best effort
In general, my experience has been that the required safety notices and
statements must always be in paper documents, and the EMC agency notices and
statements may be in a CD-ROM. There are a few execeptions amoung the
different regulatory agencies, and it would be a very good idea to check
with
Group,
In general circumstances is there any documented legislation regarding the
format a user manual can or must be supplied with the product to the
customer, (Paper, CD, web address etc)
namely if a user manual is to be supplied on CD ROM or via web address ,
then you must assume that the
To correct any possible mis-understandings: Agilent was
spun off from HP and has been a completely separate and
independent company for some years now. Carly Fiorina
has no role in the management or operations of Agilent.
HP does not make, sell or service test equipment. If
you have any
Ed,
I use Vicor for power in this range. We have had good reliability in a lab
setting. The documentation could be better but we are used to Vicor and just
keep using them.
Dave Cuthbert
From: Price, Ed [mailto:ed.pr...@cubic.com]
Sent: Tuesday, February 04, 2003 4:10 PM
To: 'EMC-PSTC List'
I read in !emc-pstc that Neil Helsby nei...@solid-state-logic.com
wrote (in 20030205.8284...@mis.configured.host) about 'CE marking and
additional information found here' on Wed, 5 Feb 2003:
Having shelves of Standards, Directives, etc I turned to the nearest
document that just happened to be
Dear All
If I may correct the address given below slightly: I believe that it should
read:
europa.eu.int/eur-lex/en/com/pdf/2002/com2002_0759en01.pdf
The 'en' directs you to the English language bit of the site.
Also, if I may augment what John Woodgate said earlier. I agree that the CE
Mark
I read in !emc-pstc that Ted Rook t...@crestaudio.com wrote (in
se3fed40@peavey.com) about 'PEC and PC traces in AC line power
supplies' on Tue, 4 Feb 2003:
So far we have run into no testing problems with UL6500 for safety. Ground
fault
current issues have not been raised.
What is
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