The performance criterion for surge in light industrial immunity is B.
This 'allows' some degradation of performance within specified
tolerance. For a power supply, this may imply that you can monitor the
output using a meter. However, because a power supply is used for some
other device, it
'Single point ground' in this situation is used for the same purpose
as we would in electronics design. When using a shielded room for
making low frequency measurements (particularly MIL-STD), multiple
ground connections can make significant power frequency and harmonic
noise. Generally this
I am not sure of the appropriate web site, but the SLIM committee has
issued its final report on the EMC directive. It includes 20 specific
recommendations. VERY briefly, it encourages the Commission to
evaluate existing standards and set up review processes for new ones,
with a view towards
I am not sure what level of detail that you are looking for, but you
might try to look at EN45001/2, and the associated guide for EMC labs
that was published in the UK. Another avenue would be to model your
format after the NVLAP program. They have a Handbook 150 (general) and
150-x (for
While I haven't read a copy, you might try the BELLCORE document
GR-513-CORE LSSGR, Section 13: Power. Bellcore can be contacted at
1(800)521-2673 for more information.
Bob Martin
Sr. Technical Manager
Intertek Testing Services
(978)263-2662
fax(978)263-7086
r...@itsqs.com
The opinions
NIS 81 is published by NAMAS in the UK. I am not aware of any
availability on the web (but I haven't looked for it there). A
companion/alternate document in the US is NIST tech note 1297. There
is also an ISO document which addresses the topic. ETSI ETR 028
addresses MU as well.
ANSI C63 has
ITS has done several research projects regarding 2.4GHz LAN products.
In the US, the products require CERTIFICATION of compliance with parts
15.109, 15.209, 15.107, 15.249. Safety requirements are per UL 1950,
as you mention.
In Europe, radio type approval, and EMC type examination is
There are any number of different radiation monitors available. Some
are for rad-haz. Others are for EMC instrumentation.
Holoday Instruments makes and markets the rad-haz monitors. They also
OEM the probes for other companies (e.g.- Amplifier Research). They
are located in Minnesota -
You may have heard by now, but this topic was discussed at the EMC
Symposium. As with most government issues, there was no firm date
applied to implementation. In Art Wall's words, we are close. There
is still debate about approving US entities as CABs, and about
European submittals for the
Performance criteria is one of the hardest things to handle when doing
the generic immunity evaluations. The standard is extremely vague, and
does open the manufacturer to essentially define his own criteria.
EN 50082-x does, however, put caveats on Category B, which causes the
most
The standards organization is ABNT
Comitê Brasileiro de Eletricidade - COBEI
Associação Brasileira de Normas Técnicas - ABNT
Rua Líbero Badaró, 496 - 3.o andar
Caixa Postal 8363
São Paulo, SP, CEP 01008
Brasil
The agency regulating radio/telecommunication is Anatel
Agencia Nacional de
In general, Korea has statutory requirements which are identical to
IEC/CISPR. For specifics, depending on the type of equipment, you can
contact the Radio Research Laboratory in Korea.
Korea will accept CB reports for safety, and these must be submitted
to KITECH-KTL for a Korean report which
In general, Korea has statutory requirements which are identical to
IEC/CISPR. For specifics, depending on the type of equipment, you can
contact the Radio Research Laboratory (the controlling agency) in
Korea (+82-0343-52-4001). Another government lab that can be used for
testing is Haitong
Like most compliance questions, there are a few different answers here,
and more questions.
1) Are the measurements being made for a converter, or for your radio?
2) If the product is a radio, it has to meet other requirements besides
EN55022 (e.g.- ETSI). In these cases, there are measurements
Russia requires that you obtain a GOST-R mark. There are a few
organizations that can obtain the mark for you. Just having the CB
report will not get you in to the country. You must arrange for the
GOST-R mark, through one of the approved agencies. The process can be
very cumbersome. Having a CB
Doug
If you haven't done so already, you might try ANSI/AAMI standard DF-39
Automatic External Defibrillators and remote control defibrillators. I
used it a long while ago when testing the surge immunity of an implanted
device. I don't remember the design specifics of the standard, because I
was
In my excitement I mis-typed the standard! It should, of course, be
EN61000-3-2, not EN61000-3-1, for harmonics.
Bob
--
From: Robert F. Martin ITS/QS-Box
To: emc-p...@ieee.org
Subject: Harmonics
List-Post: emc-pstc@listserv.ieee.org
Date: Monday, April 20, 1998 7:55AM
To (hopefully
To (hopefully!) put this to bed: The European Commission published a
complete list of standards and amendments harmonized under the EMC
Directive. The list includes references to eventual superseded standards
and, when relevant, the date of cessation of presumption of conformity
of the superseded
If your intent is to satisfy the requirements of the EU for CE marking,
then your report should refer to the performance criteria specified in
EN 50082-1 (or a product specific standard as applicable).
If your intent is only to do 'diagnostic' tests in accordance with a
basic standard, then you
It has been my philosophy is such cases, that a 3 meter length should be
provided.
During radiated emissions and immunity tests, a minimum of 1 meter
should be exposed. In the case of immunity, the 1 meter should be in the
'uniform' field area (even if you are not requiring the field uniformity
While it seems simple enough, the product is more than just a component.
It can be considered an apparatus by EU standards because it has an
intrinsic function. If the pump was restricted to a specific
application, and would not work without it, you might get away without
testing it. Because that
Russian certification is done through GOSSTANDART. The GOST certificate
is based on testing which is similar to the rest of the world (e.g. IEC
950, CISPR22, etc.). CE marking does not however satisfy the
requirements. There are a few companies that can offer the GOST
certificate. One of them is
I am looking for 10 - 12 pre-owned filters for shielded enclosures. The
filters should be:
277VAC
60 - 100 A
100dB DC-18GHz
If you have any of these items that you are trying to get rid of, please
contact me directly.
Bob Martin
ITS - Northeast
Boxborough MA
(978)263-2662
The military world has always specified that functional ground and
chassis ground be isolated. The minimum resistance there is 1Mohm. The
best solution tends to be the use of a chassis ground layer (instead of,
or in addition to, circuit ground planes) on each board. This becomes
the high
Can anyone enlighten me on the requirements for HALT testing?
Bob Martin
Sr. Technical Manager
ITS- Northeast
r...@itsqs.com
P.S. - Thanks to everyone for recommending Werlatone directional
couplers. (They should pay a finder's fee, there were so many
recommendations!) In fact, I have several of
My experience has been that the requirement is limited to 10GHz. This
includes some major (and very critical!) telecom clients who operate at
~1.3GHz.
Bob Martin
Sr Technical Manager
ITS - Northeast
The opinions expressed are my own and not necessarily those of my
employer
--
From: Paul
Another source of standards information can be found on the web at
DGIII's reference to harmonized standards www2.echo.lu/nasd
Be careful of the date of the update (which is displayed on the page).
They have a tendency to let it fall behind. At the moment it is fairly
current. Also be careful of
FYI I have attached an e-mail from one of our co-workers indicating that
the flow for GOST certificates has become a problem. There is no sole
accredited agency. At the moment, it depends largely on a company's
ability to get test data approved by the Russian authorities. Intertek
Testing Services
.
--
From: Tony Fredriksson
To: Robert F. Martin ITS/QS-Box; emc-p...@ieee.org;
jlovell%mfg.trim...@ngmsmtp.trimble.com
Subject: RE: CE Mark product standards for purchased equipment
List-Post: emc-pstc@listserv.ieee.org
Date: Tuesday, March 11, 1997 11:36AM
Hi,
This is very intriguing. Let me
29 matches
Mail list logo
