May I add:
Looking for a low profile ac-dc on board converter having a decent
medical approval i.e. more then basic insulation between primary
and secundary. Any suggestions for a manufacturer ? My client
is located in Malaysia .
Gert Gremmen
ce-test
-Original Message-
From: owner-emc-p
of the thyristors.
Gert Gremmen
-Original Message-
From: owner-emc-p...@majordomo.ieee.org
[mailto:owner-emc-p...@majordomo.ieee.org]On Behalf Of Joe P Martin
Sent: Thursday, September 12, 2002 12:58 AM
To: emc-p...@majordomo.ieee.org
Subject: Water + Electricity
Greetings,
A friend
of overlooking certain aspects.
Anyone wants to add to this discussion ?...
Gert Gremmen
ce-test, qualified testing
http://www.cetest.nl
-Original Message-
From: owner-emc-p...@majordomo.ieee.org
[mailto:owner-emc-p...@majordomo.ieee.org]On Behalf Of George Stults
Sent: dinsdag 10
with
a spectrum analyser do not know what they are missing...
Gert Gremmen
ce-test, qualified testing
Gert Gremmen
ce-test qualified testing.
-Original Message-
From: owner-emc-p...@majordomo.ieee.org
[mailto:owner-emc-p...@majordomo.ieee.org]On Behalf Of Bill Morse
Sent: donderdag 22 augustus
of withdrawal for older standards = LAW
Logic thinking does the rest.
Gert Gremmen
ce-test, qualified testing
http://www.cetest.nl
-Original Message-
From: owner-emc-p...@majordomo.ieee.org
[mailto:owner-emc-p...@majordomo.ieee.org]On Behalf Of Joe P Martin
Sent: Wednesday, August 21, 2002
sure
you get your ground OK; that's your REAL challenge !
Gert Gremmen
ce-test, qualified testing
http://www.cetest.nl
-Original Message-
From: owner-emc-p...@majordomo.ieee.org
[mailto:owner-emc-p...@majordomo.ieee.org]On Behalf Of Chris Chileshe
Sent: Thursday, August 22, 2002 11:31
that
your opinion is right.
Gert Gremmen
ce-test, qualified testing
-Original Message-
From: owner-emc-p...@majordomo.ieee.org
[mailto:owner-emc-p...@majordomo.ieee.org]On Behalf Of John Juhasz
Sent: woensdag 21 augustus 2002 19:09
To: 'emc-p...@ieee.org'
Subject: EMC Directive
I know
.
Both for reproducibility.
One will definitely find less resonances due to cabling
using the CISPR set up both down- and upwards as using
the ANSI set up. Therefore I suggest to re test.
Gert Gremmen
ce-test, qualified testing
http://www.cetest.nl
-Original Message-
From: owner-emc-p
(especially active dipoles : small !!)./
Just a few notes to explain for the many differences that may
happen between set up variations.
Gert Gremmen
-Original Message-
From: owner-emc-p...@majordomo.ieee.org
[mailto:owner-emc-p...@majordomo.ieee.org]On Behalf Of Alex McNeil
Sent
(material, thickness) and in terms of permeability (mu).
Gert Gremmen
-Original Message-
From: owner-emc-p...@majordomo.ieee.org
[mailto:owner-emc-p...@majordomo.ieee.org]On Behalf Of Charles Grasso
Sent: woensdag 3 juli 2002 18:24
To: chris.chile...@ultronics.com; emc-p...@ieee.org
Subject: RE
will reply by sending
a confirmation of receiption.
Gert Gremmen
ce-test
-Original Message-
From: owner-emc-p...@majordomo.ieee.org
[mailto:owner-emc-p...@majordomo.ieee.org]On Behalf Of
am...@westin-emission.no
Sent: Tuesday, July 02, 2002 10:31 AM
To: Forum Safety-emc
Subject: RTTE EU
*that* moment.
Regards
Gert Gremmen
ce-test
-Original Message-
From: owner-emc-p...@majordomo.ieee.org
[mailto:owner-emc-p...@majordomo.ieee.org]On Behalf Of Lou Aiken
Sent: maandag 1 juli 2002 17:27
To: Jon Jones; Emc-Pstc (E-mail)
Subject: Re: EN60950 functional earthing.
My recollection
properties.
Conclusions:
A fully automated measurement according to the standards will almost
certainly fail to detect some if not all problems if not
assisted by (how happy we are) skilled EMC engineers.
Gert Gremmen
ce-test, qualified testing
-Original Message-
From: owner-emc-p
Gert Gremmen
ce-test, qualified testing
-Original Message-
From: owner-emc-p...@majordomo.ieee.org
[mailto:owner-emc-p...@majordomo.ieee.org]On Behalf Of IEEE-EMC User Group
Sent: dinsdag 21 mei 2002 12:45
To: Emc-Pstc Group (E-mail)
Subject: Emission Standards for Cell Phones
laws against discrimination, was
killed by a such representative of the TRUE FREE MEN .
I supposed , Ghery , that your interpretation of being
a FREE man is not limited to the WORD...
Gert Gremmen
-Original Message-
From: owner-emc-p...@majordomo.ieee.org
[mailto:owner-emc-p
platform,
so the emission spectrum has a max and min that oscillates with rotation
time.
This of cpourse is valid for any detector. Emission testing DOES
require knowledge of the EUT to provent EOI problems (Error of Ignorant)
often caused by too much of automation in emission test labs !
Gert
/ EUT height.
Regards,
Gert Gremmen
Manager
Ce-test, Qualified Testing
ce marking and more ..
EMCD LVD RTTED MDD MD
www.ce-test.nl
Electrical / Electronic Equipment
-Original Message-
From: owner-emc-p...@majordomo.ieee.org
[mailto:owner-emc-p...@majordomo.ieee.org
to the requirement.
The fact that a radiated instead of a conducted measurement is made ; is
more close to
the essential requirement.
For test phenomena both are equal (but for the F-range)
Then the choice for immunity should follow the same logic.
Gert Gremmen
ce-test, qualified testing
-Original
frequency
range.
Looking just at VDU and Hall sensors is a bit restricted, although i
definitely agree
that for power frequency issues they are the vast majority.
Regards,
Gert Gremmen Ing.
ce-test, qualified testing
ce-marking more
http://www.cetest.nl
Want to get started quick with ce marking ?
http
limits.
As the equipment was not meant to transmit and communicate
by radio waves, the RTTE was found not applicable.
Gert Gremmen
ce-test
-Original Message-
From: treg-appro...@world.std.com [mailto:treg-appro...@world.std.com]On
Behalf Of Kim Boll Jensen
Sent: Wednesday, March 13, 2002 11
called wave number Anyone knows
the details ???
Gert Gremmen
-Original Message-
From: owner-emc-p...@majordomo.ieee.org
[mailto:owner-emc-p...@majordomo.ieee.org]On Behalf Of Wan Juang Foo
Sent: maandag 11 maart 2002 4:36
To: emc-p...@majordomo.ieee.org
Subject: Re: Electric field
to a level that our friends at Schaffner and Keytek turn pale.
Since the first time she unloaded onto a nearby engineer close
she was called Miss Million Volt.
Regards,
Gert Gremmen Ing.
ce-test, qualified testing
ce-marking more
http://www.cetest.nl
Want to get started quick with ce marking ?
http
EN 600065 for audio and video equipment judges
that the creepage between traces on a coated
PCB is non existent.
As you may see, many standards do not have the
same opinion about the subject.
Regards,
Gert Gremmen, (Ing)
ce-test, qualified testing
frequencies.
I also am looking for a supplier for 100x 100 mm ferrite tiles.
Apart from the well known and easy solutions, I need to look
for alternatives also. If anyone of you has a stockpile of
tiles available (surplus or for sale), let me know in private.
Regards,
Gert Gremmen, (Ing)
ce-test
attenuation and maximizing RF feedtrough.
Take care to bridge the rectifier diodes
with capacitors, otherwize thay might create interference themselves.
Regards,
Gert Gremmen, (Ing)
Ce-test, qualified testing
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on New Approach, published by the
European Commission on:
http://www.eotc.be/newapproach/EC_Guide/index.htm
In this latter document flow diagrams on conformity assessment is given
on all new Approch diagrams, very useful!
Regards,
Gert Gremmen, (Ing)
ce-test, qualified testing
, not the standard is
mandatory, but the essential requirements of the
EMC-directive. If any technical solution may solve
the interference, connecting to a separate power group
can be a suitable solution also.
The point is: no one gets hindered by your equipment.
Regards,
Gert Gremmen, (Ing)
ce-test, qualified
Currently under vote the prA2:2001 on EN 50130-4
-Immunitytesting to 2000 MHz
-replace ENV 50141:1993 reference by EN 61000-4-6 (no date).
Regards,
Gert Gremmen, (Ing)
ce-test, qualified testing
===
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process
controller enclosures to the industry having as EMC cabinets
but they do not have a bottom in it to allow for cables to run.
(they provide an earth rail, though)
Regards,
Gert Gremmen, (Ing)
ce-test, qualified testing
===
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close to your AM
radio ;)))
I suggest you reinsert your old filament bulb or buy a receiver
with external antenna (but keep it away from your neighnours bedlamp ;))
Regards,
Gert Gremmen, (Ing)
ce-test, qualified testing
===
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returned equipment (failed
only at customers premises), increased selling potential and customer
satisfaction.
Regards,
Gert Gremmen, (Ing)
ce-test, qualified testing
===
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CE-shop http://www.cetest.nl/ce_shop.htm
?
Regards,
Gert Gremmen, (Ing)
ce-test, qualified testing
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of the enclosure may be minimized, at the cost of a higher voltage
drop between sides of the PCB ground trace. This voltage is in general also
partially present in series with both input and output signal (draw the loop
above) and it may have a negative impact on signal integrity.
Regards,
Gert Gremmen
Might it be possible that the capacitance increasing when
approaching may lower it's voltage (Q=0.5CV^2)?
I think the decrease is very high for this effect as the internal
cap of a discharger is much larger (over 220 pF) that the tip to grp
capacitance.
Is it defective ???
Regards,
Gert Gremmen
for
their equipment.
Regards,
Gert Gremmen, (Ing)
ce-test, qualified testing
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an onion about your approach
in view of the directives goals. That's why they are for.
Prices are much less then most think.
After all,
Regards,
Gert Gremmen, (Ing)
ce-test, qualified testing
===
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be
affected too easily due to their awful CM suppression for even 60Hz, I can
tell you stories about 3COM products and others)
This really gets off topic now so I'll stop.
Regards,
Gert Gremmen, (Ing)
ce-test, qualified testing
===
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and where, but the
author
deserves the credit , not me ! May he (she) rise !
Regards,
Gert Gremmen, (Ing)
ce-test, qualified testing
===
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of the two insulations in double insulation)
Those that are redundant (from safety point of view) are ordinary
components.
What do you think of this: can this approach simplify the job ?
Regards,
Gert Gremmen, (Ing)
ce-test, qualified testing
an apology, Mr Ritenour does !
Regards,
Gert Gremmen, (Ing)
ce-test, qualified testing
===
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/-/ Compliance testing is our core business
.
The art of safety thinking is finding and recognizing these double
protection layers
in equipment, processes and concepts (or the lack thereof).
And most important: not forgetting one.
Regards,
Gert Gremmen, (Ing)
ce-test, qualified testing
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Web
?
Regards,
Gert Gremmen, (Ing)
ce-test, qualified testing
===
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attachment: Gert
As its only a telecommunications institute !
The RTTE directive has been adopted by Swiss law since May 1st 2000.
Regards,
Gert Gremmen, (Ing)
ce-test, qualified testing
===
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Hello Group
I am currently involved in an RTTE procedure with
bakom in Switzerland. It is believed that Switzerland
follows the same procedures as the EC as an alternative to it's
own. A standard notification procedure by a NB referring to the RTTE
directive should be sufficient.
Regards,
Gert
for emission and immunity exists, EN 55103-1/2.
This standard is more specific then EN 50082-1 :1997 and adds
several new test types compared to EN 50082-1 : 1997
Regards,
Gert Gremmen, (Ing)
ce-test, qualified testing
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and more consistent
results then using an XY table and close field
probes.
EMC is all about measurements in the far field of a source, both in terms
of wavelength ( lambda/3 ) and geometrically relative to the EUT.
Regards,
Gert Gremmen, (Ing)
ce-test, qualified testing
, an option that is available to anyone that can do it's own
testing. The NB provides you with a Statement of Opinion, so no barriers
exist for notification
in all EC countries.
This system works great with products that use not (yet) harmonised
standards such as SRD's.
Regards,
Gert Gremmen, (Ing)
ce
such as
the one for short range devices ERC 70-03 and the one about European
frequency allocations ERC 25.
Regards,
Gert Gremmen, (Ing)
ce-test, qualified testing
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with a braided shield to
get the best of both worlds.
Best of all is the massive shield , (semi rigid cable).
Regards,
Gert Gremmen, (Ing)
ce-test, qualified testing
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.
R/W and CE and ALE lines signal harmonics are silent too
but are less dominant in the high frequency areas as they are
most often lower in frequency as the clock.
Good luck.
Regards,
Gert Gremmen, (Ing)
ce-test, qualified testing
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substantial modifications.
Regards,
Gert Gremmen, (Ing)
Ce-test, qualified testing
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-Original Message
Of course the correct uRL must be
http://www.cetest.nl/ce_shop.htm
Regards,
Gert Gremmen, (Ing)
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April 5th 2001, EMC directive and RTTE directive.
As usual available for download from our site
http://www.cetest.nl/ce_shop.nl
Regards,
Gert Gremmen, (Ing)
ce-test, qualified testing
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in
500 Millions of Euros savings each year.
Regards,
Gert Gremmen, (Ing)
ce-test, qualified testing
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standards AND methods for compliance presumption as suggested has been
addressed. That's what he told me. I did not read the text yet.
Regards,
Gert Gremmen, (Ing)
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for not harmonized frequencies and not harmonized (radio) standards. In the
end all not harmonized frequencies usages need a notification to the
authorities.
Regards,
Gert Gremmen, (Ing)
ce-test, qualified testing
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with the same voltage set as before !
(this criterion is hypothetical and only as example).
Criterion C would say here: after the test it is allowed that
the on/off button be executed for the output to come back again.
Regards,
Gert Gremmen, (Ing)
ce-test, qualified testing
potential.
BTW since few years all new outlets in Holland will be 3-pole: phase, null
and earth,
or in some older cities +phase, -phase and earth.
Regards,
Gert Gremmen, (Ing)
ce-test, qualified testing
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to us in the four ways above, and has created many
lasting customers.
One disadvantage: After a few tests customers think we can do it
alone...,;))
Regards,
Gert Gremmen, (Ing)
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(characteristic impedance) over the 30 cm allowed to
the CDN.
Regards,
Gert Gremmen, (Ing)
ce-test, qualified testing
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.
Regards,
Gert Gremmen, (Ing)
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-Original
this
approach are cheaper (smaller rooms) and quicker.
Regards,
Gert Gremmen, (Ing)
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are to prevent the control-gear to
catch fire in case of overload or short circuit at the LOAD side.
This is very well possible, as switchgear may consist of wire and switches
only
and one cannot predict what will happen in that case.
Regards,
Gert Gremmen, (Ing)
Ce-test, qualified testing
Richard, and Kevin would do well for submitting your device
to
a test house, as a motivation for no in-hour pre-compliance testing, but not
for safeguarding your boss or customers against legal charges. Sorry...
Regards,
Gert Gremmen, (Ing)
Ce-test, qualified testing
of the concept EMC-directive.
There is great opposition ( from CB's of course), but as the CB concept is
unique
for the EMC-directive, it's not sure if there opposition will convince the
EC.
Regards,
Gert Gremmen, (Ing)
Ce-test, qualified testing
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No way Courtland,
Immunity test are not the first priority of governmental officers,
that may have tempted someone to overlook these requirements.
Regards,
Gert Gremmen, (Ing)
ce-test, qualified testing
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).
Developments are ongoing to allow the method of partial illumination also
to be used
for emission measurements on large EUT's.
Regards,
Gert Gremmen, (Ing)
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for testing and enumerated before.
The label (!) says : hydrocarbures which I understand
is a very no descriptive term.
Any comment ?
Regards,
Gert Gremmen, (Ing)
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purposes.
You might add a separate harmonics/flicker analyser however and use
the 68xx for programmable power supply only.
Regards,
Gert Gremmen, (Ing)
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equipment anyway.
Following your reasons you should definitely stop testing the mains supply
connection against surges and consider to supply your equipment with
batteries,
as lightning discharges propagate most often by the mains.
Regards,
Gert Gremmen, (Ing)
ce-test, qualified testing
consideration suggest that compliance is
achieved while
there is not.
Basically all these impairs are caused by the EC representing European Law,
and the IEC being
a private organization, not allowed to create exemptions to the Essential
requirements.
Regards,
Gert Gremmen, (Ing)
ce-test, qualified testing
Exactly, this was a hypothetical discussion anyway.
Regards,
Gert Gremmen, (Ing)
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of these guys will be president of the USA : Bush or else Al Gore ?
Would you elect both for president ? (you almost did , isn't it? :))
Regards,
Gert Gremmen, (Ing)
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, but
as they are human too.
Regards,
Gert Gremmen, (Ing)
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,
Gert Gremmen, (Ing)
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attachment: Gert Gremmen.vcf
transient
tests too.
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Gert Gremmen, (Ing)
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, hope for you you don't.:))
If you don't have a REP, well then it's your EC customer who is liable !
You'd better
have one anyway, to prevent being sued one day by one of your customer's.
Your REP will hold the (by him) signed DoC.
Regards,
Gert Gremmen, (Ing)
ce-test, qualified testing
of your equipment,
you will be liable in full.
Regards,
Gert Gremmen, (Ing)
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of
workmanship
, always, even 10 years after it was introduced. This means that to cover
your a..
you need constant modification in the field of safeguarding your customers.
Regards,
Gert Gremmen, (Ing)
ce-test, qualified testing
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creating harmonized standards and is not applicable
for IEC and/or
CISPR versions of the same standard.
Hope to got things straightened out somewhat.
Regards,
Gert Gremmen, (Ing)
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environments, therefore
the distinction between such environments is artificial.
Regards,
Gert Gremmen, (Ing)
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/-/ Compliance testing is our core
in
Europe due to the very strict definition of heavy industrial environment.
In fact, if there is no very stringent (functional) reason why an equipment
cannot meet
Class B emissions, it should. No clauses allowed
Regards,
Gert Gremmen, (Ing)
ce-test, qualified testing
requirements . or not !
Regards,
Gert Gremmen, (Ing)
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Thanks for your replies; i know it's a funny question
but it seems that cows really care ..
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using 10 kV when touching the fence,
but a DC voltage may be different.
Thanks in advance.
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as: having a substantial influence on the power
system. Read : all capacitor loaded bridge rectifier applications.
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), Harmonization Documents (HD), or
European Pre-Standards (ENV), Reports and European Specification (ES). When
European standards deviate from International standards, they do so via
common modifications. These achievements create a unified and open market
for the whole world.
Ends
Regards,
Gert
as a manufacturer presuming compliance.
Therefore, you will get away with such a standard - for the time being.
I think the principal of essential requirements has still not been fully
understood !!
Regards,
Gert Gremmen, (Ing)
ce-test, qualified testing
still susceptible to generic
standard test requirements !!!
Regards,
Gert Gremmen, (Ing)
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under vote and
to add to the standard ,possibly you have something to add?
Regards,
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program.
Click on our shop link to purchase (US$ 17.--).
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/-/ Compliance testing is our core business
known as 77/231/CDV
Regards,
Gert Gremmen, (Ing)
ce-test, qualified testing
===
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/-/ Compliance testing is our core business
organization may dictate implementation dates.
Regards,
Gert Gremmen, (Ing)
ce-test, qualified testing
===
Web presence http://www.cetest.nl
CE-shop http://www.cetest.nl/ce_shop.htm
/-/ Compliance testing is our core business
vote from Sweden only and the intention to make A14
available as fast as possible for ce-marking.
Regards,
Gert Gremmen, (Ing)
ce-test, qualified testing
===
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/-/ Compliance
PC's Class B..hello George,
But we can't.
Could you resume the results of the answers for the group.
And : IN GENERAL
Could the members of this list cc a copy to the list of replies to questions
?
Regards,
Gert Gremmen, (Ing)
Ce-test, qualified testing
==
Web
second
- Equipment over 1000 VA that has switching cycles is likely to cause some
form of flicker and certainly needs evaluation.
Beware of the new requirement for in-rush current though
Regards,
Gert Gremmen, (Ing)
ce-test, qualified testing
, STP is not necessary and is often erroneously prescribed: a
waist of money.
Regards,
Gert Gremmen, (Ing)
ce-test, qualified testing
===
Web presence http://www.cetest.nl
CE-shop http://www.cetest.nl/ce_shop.htm
/-/ Compliance testing is our core
Indeed, this particular standard (50204) was automatically withdrawn with
the publishing of the first amendmend A1 to 61000-4-3. I am not sure if it
was explicitly in the A1 either. I do not have the A1 on hand right now.
Regards,
Gert Gremmen, (Ing)
ce-test, qualified testing
and the LAN card: definitely test.
The attenuation of ground noise in any slot of the MB by the
LAN card to the LAN cable, shielded or unshielded is unknown.
In one MB it may pass, the other may fail.
Regards,
Gert Gremmen, (Ing)
ce-test, qualified testing
document is available.
This of course is independent of the publication of any A1 documents !
Conclusion: ENV 50204 is not applicable anymore.
Regards,
Gert Gremmen, (Ing)
ce-test, qualified testing
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