The opening paragraph of the Scope of 1010-1 states it covers electrical
equipment intended for professional, industrial process, and educational
use, including equipment and computing devices for
* measurement and test;
* control;
* laboratory use;
* accessories intended for use with the above
A couple of comments on battery capacity (based mostly on experience)...
A battery may certainly be defined as OK by the manufacturer if it has only
1/2 its original capacity, but it rarely is defined that way by the user. A
battery showing that capacity is not long for this world and will
Many thanks to everyone who responded. I've got a few models to go with
now, and I'll start looking.
A substantial help. Thanks again.
Paul O'Shaughnessy
Affymetrix, Inc.
---
This message is from the IEEE EMC Society Product Safety
Technical
Dear List,
I am looking to purchase (new or used) a good general purpose spectrum
analyzer, mostly for use with an EMCO sniffer loop set for locating hot
boards, shields, and cables, panel joints which are leaking, etc. The
frequency range of interest is up to a few GHz (this is to assist with
My impression all along has been that the likelihood of a product being
placed in great numbers into domestic establishments is what defines Class
D. Commericial television sets and personal computers fit this definition
very well, thus their specific mention in the standard. They certainly may
Hello Ravinder,
Your question is a bit difficult to answer. You appear to have reached some
conclusions on what is going wrong in the circuit, but do you have really
good information on the problem? I had a similar problem in an instrument
that had been designed prior to the widespread
Keep in mind that some of these tests call for a rather specific table and
floor with grounded planes and very specific distances. When I've seen this
done properly, it was an extensive (and possibly expensive) job. Look
carefully at the EN documents, particularly the appendices which typically
Don't forget that 61000-3-2 has been amended with A14, which gives you the
option of avoiding the special wave shape criteria and classifying most
items (excepting PCs and televisions) as Class A.
Paul O'Shaughnessy
Affymetrix, Inc.
-Original Message-
From: Steve Austin
Try
http://www.pads.com/SI_intro.htm
Hyperlynx (Now Owned Distributed by PADS).
Paul O'Shaughnessy
Affymetrix, Inc.
-Original Message-
From: umbdenst...@sensormatic.com [mailto:umbdenst...@sensormatic.com]
Sent: Tuesday, February 13, 2001 11:20 AM
To:
A moving and passionate tale with a moral:
DO NOT let anyone screw with your PC boards! Every one of these stories,
from internal tracks that break, to creepage failures due to copper thieving
squares, to bypass capacitors disappearing because they don't matter all
that much anyway trace back
Absolutely. There will be redundant independent sensors allowing power and
movement only when the cover is closed and latched. The button is to allow
one to shut down in an organized way and then unlatch the cover, make some
adjustment, and resume where you left off.
If someone managed to
I would say that unless isolation from the public power supply is somehow
guaranteed as part of your installation procedures, you must assume that
your equipment comes under -3-2 and -3-3. Basically, if it's got a plug and
pulls less than 16 Amps at European mains voltages, you need to comply.
We have an instrument with moving parts protected by an interlocked cover.
The moving parts are accessible to the operator once the cover is opened.
However, to release the interlock, a PAUSE or STOP button is pressed which
allows the instrument to stop in an orderly way and then release the
Can anyone direct me to the EC rules which govern beta site installations?
For example, what if a contract is signed with the beta site, specifying
that the unit is not yet evaluated, and specifying terms of beta testing and
timeframe. Would that qualify as under the control of the
Several of the countries you list will accept CE standards, or have
identical internal standards. I can think of several areas of concern:
1. Even a sealed lead-acid battery can produce some amount of gas during
charging. There are concerns raised in standards such as IEC 1010-1 and IEC
950
Try
http://europa.eu.int/comm/enterprise/newapproach/standardization/harmstds/re
flist/emc.html
Paul O'Shaughnessy
Affymetrix, Inc.
-Original Message-
From: umbdenst...@sensormatic.com [mailto:umbdenst...@sensormatic.com]
Sent: Friday, January 12, 2001 3:37 PM
To:
Yes, A14 may now be employed for compliance with EN 61000-3-2.
-Original Message-
From: brett_sand...@snellwilcox.com
[mailto:brett_sand...@snellwilcox.com]
Sent: Friday, January 12, 2001 7:43 AM
To: emc-pstc
Subject: EN61000-3-2 Amendments.
Does anybody know if the amendments made
Dear List,
Can anyone provide reference to the correct European Standards on length of
time service and support must be maintained for a product? (ie. five years,
ten years, etc.)
Also, what are the appropriate EN documents relating to the vibration and
shock that instruments must withstand
And for those of you interested, once you download the PDF file and open in
in Acrobat Reader, simply search on EN 61000-3-2 and you will see the
listing for the much anticipated A14.
-Original Message-
From: Glen Dash [mailto:carli...@world.std.com]
Sent: Thursday, December 14, 2000
I'm answering on-list as this might be useful for a number of people (and
save them answering individually).
Go to http://parts.lvctechnology.com/, click on Test Equipment Manuals, pick
HP, and search for your model. Looks like it's a $10 item.
Paul O'Shaughnessy
Affymetrix, Inc.
Whoa!
I work in CISPR 11 land, but as I recall, CISPR 22 works almost identically
in this regard. The difference between CISPR 11 and 22 is what TYPE of
equipment it is. CISPR 11 covers Industrial, scientific and medical (ISM)
equipment. CISPR 11 covers Information technology equipment (ITE).
Vaccum should of course be Vacuum. My typing fingers betrayed me
-Original Message-
From: O'Shaughnessy, Paul [mailto:paul_oshaughne...@affymetrix.com]
Sent: Friday, December 01, 2000 10:28 AM
To: 'george_t...@dell.com'; brian_ku...@leco.com;
emc-p...@majordomo.ieee.org
Subject: RE
This question harkens back to the days when it was supposed that there was
some ether or etherial material, through which EM waves must propagate.
You can still hear people occasionally say that a message arrived through
the ether. It was a (logical at the time) extrapolation from sound waves,
We just went through the same thing a few months back. The confusion comes
from a clause near the end of 61326 which appears to exempt you from any
responsibility on harmonics and flicker if your product is non-domestic. I
know a number of EMC professionals who take that as the last word on
Dear List,
I've received word of an Edition 2 for IEC 61010-1 which was recently
approved in a vote within the IEC. Does anyone have any information on when
or if this will be published by the EC (a DOP), or when an ultimate DOW
might be set?
Many thanks,
Paul O'Shaughnessy
Affymetrix,
Thank you very much for publishing that, Gert.
The original is available in PDF format from the CENELEC web site, at
http://www.cenelec.org/
Go to Press Release, then click on the link 12102000.PDF Changes to the
EMC standards are ratified.
Paul O'Shaughnessy
-Original Message-
He's right. Tying neutral directly to the chassis is just WRONG, even if
you could be sure it would always be neutral (not guaranteed at all).
Sounds like somebody got neutral and the safety ground mixed up. I'd send
the unit back to the manufacturer with a nasty note. I would also question
-Original Message-
From: O'Shaughnessy, Paul [mailto:paul_oshaughne...@affymetrix.com]
Sent: Monday, October 09, 2000 2:56 PM
To: 'wo...@sensormatic.com'; emc-p...@ieee.org
Subject: RE: EN 61000-3-2/A14
Absolutely correct - I was making the assumption that the dop corresponds
to the date
Absolutely correct - I was making the assumption that the dop corresponds
to the date of publication in the OJ of the EC.
Paul O'S.
-Original Message-
From: wo...@sensormatic.com [mailto:wo...@sensormatic.com]
Sent: Monday, October 09, 2000 11:24 AM
To: emc-p...@ieee.org
Subject: RE: EN
Right - the dop is the first date upon which you MAY employ a new standard
for compliance. The dow is the day by which any conflicting (ie the old
standard) must be withdrawn and is therefore ineffective. This makes the
period between dop and dow a transition period. Typically, the new
I should restate what I said earlier - LEDs are covered under IEC 825, but
the typical display LED falls so far below the Maximum Permissible Exposure
levels as to be exempt (see Scope of IEC 825).
Paul O'S.
-Original Message-
From: geor...@lexmark.com [mailto:geor...@lexmark.com]
Hello Kathy,
Your design engineers may be getting classical LEDs mixed up with Laser
Diodes, which I have seen labelled as Laser LEDs.
LEDs are the red, green, yellow indicators which have become commonplace
everywhere. These put out a simple non-coherent light. I do not believe
they are
Hello List,
Is this a reasonable expectation - that the EC and member countries will
actually move quickly enough to make A14 effective on January 1, 2001? Is
everyone going to be forced to meet EN 61000-3-2 without A14?
Paul O'Shaughnessy
Affymetrix, Inc.
-Original Message-
From:
I'll try to give this a shot.
It is against the law to sell products in Europe which do not meet each
country's safety and EMC regulations. These regulations have been
harmonized across the EC by use of the EN standards (EN 61010, etc.) The CE
mark is YOUR claim that a product meets all the
In my experience, these EMC standards apply to sale of new products, not
components provided for service. My previous employer was called upon to
provide parts and modules to maintain older equipment. A number of these
instruments predated CE marking entirely and there was never a problem
I am just rejoining the forum after a few weeks absence for vacation and
server/domain changes.
Early in September it appeared that the harmonic emissions standard EN
61000-3-2 might be ammended (with A14) to redefine equipment
classifications, specifically Class D. Does anyone have a reliable
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