From: Gary McInturff
To: Kate MacLean ,
gmcintu...@packetengines.com,
Randall Flinders ,
"'emc-pstc'"
Subject:RE: Lab qualification - and a note on reports
Date sent: Wed, 7 Oct 1998 07:34:04 -0700
Send r
Hi Chris:
Here are several URLs for ozone that will begin to
answer your questions. Using these as a starting
point, you may be able to find the answers to your
questions.
http://www.geo.nsf.gov/adgeo/geofield/atmfield/ozone.htm
http://siri.org/msds/mf/cards/file/0068.html
http://
Date sent: Wed, 7 Oct 1998 18:07:40 -0400
From: Chris Dupres
Subject:Ozone...
To: emc-pstc
Send reply to: Chris Dupres
Chris -
I do not claim to be an expert in this, so please take the following
with a big grain of
Dear group,
Can anyone tell me that CS in a circle represent. I have seen it on a
fuseholder with UL and CSA approval and then this CS.
Best regards,
Mr. Kim Boll Jensen
Denmark
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In message <970CE75F8EF5D111B66C00E0291E1155256992@fox-nep03-xch>
"Matejic, Mirko" writes:
> ISO/DIS 17025 is DRAFT industry standard which has been produced as the
> result of extensive experience of the implementation of ISO/IEC Guide
> 25: 1990 and EN 4500l :1989 both of which it will replace
Here is part of a "white paper" we use help educate concerned users
about ozone. Some of the sub and super scripts may not fare well in
transmission.
--
The American Congress of Governmental Hygienists (ACGIH), a private
organization, has the following 1998 recommendations for the time weighted
average:
Heavy work: 0.05 ppm
Moderate work: 0.08 ppm
Light work 0.10 ppm
ACGIH recommedations are based upon legal limits set in the US and
int
Randy,
One category you will probably use to evaluate test labs is 'test
report quality'. If a report lacks the kind of detail and clarity
that would allow you to perform an EMC scan 6-12 months later (i.e.,
auditing the continuing compliance of your current produ
Does anyone know of a webstite that shows the activities and status of the
SLIM committee's activities?
Bob Heller
Sr. EMC Eng. 3M Co.
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Does anyone know of a company that rents/sells test equipment for the tests
called out in sections 15 through 23 of DO-160?
Bob Heller
Sr. EMC Eng., 3M Co.
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with the s
Chris,
This won't help much other than to back up your suspicions. Yes,
there are limits to ozone but I don't know what they are. Used to be
part of the safety evaluation process so you might start there.
Laser copiers and things do tend to generate a lot of ozone and
they actually
Chris,
I researched this issue last year when my father was looking to purchase one of
those Room Air Purifiers that uses Ozone. I found all the information I needed
from two web sites: American Lung Association and the EPA. Basically they say
that Ozone levels greater that .05ppm can damage th
As I understand it, Lingren connects the shielded rooms they build back to the
main building ground point by a separate ground wire. The conduit is
disconnected by use of a plastic sleave. I assume they do this because the AC
filters incorporated in the shielded room include LARGE capacitors to t
Dear Group -
Does anyone know what FAR121 is. This apparently has to do with aviation
safety but I have no other information than the standard number.
Regards,
Mike Campi
Corporate Compliance Engineer
Fujitsu PC Corporation
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Bob:
Try these
http://www.emc-journal.co.uk/980402.html
http://www.emc-journal.co.uk/980604.html
http://www.cix.co.uk/~approval/ (select news article or search on
SLIM)
Regards,
Geoff Skanes
EMC Engineer
Nortel Networks
RTP, NC
In message "SLIM Committee", rehel...@mmm.com writes:
>D
> It was brought up to our attention, that chlorine gas
> system for swimming pool water treatment is no
> longer advisable, the trend now adays is to use
> liquid system instead. Any more input in this
> regard will be appreciated.
Dear Jaber,
As no one else has replied to your query, I'll jum
The most recent issue of CISPR22 (Third edition, Nov. 1997) requires
conducted emissions testing on signal cables (section 5.1). Section 9.5
provides the procedures for making such measurements. Alternative methods
are suggested involving Impedance Stabilization Networks and Current Probes.
All t
Any test lab can test the conducted emissions requirements per
ETS300-132 for telecom DC-DC switching mode power supplies?
Regards,
Roger Hsu
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Hi Chris:
Here's a better URL:
http://scifun.chem.wisc.edu/CHEMWEEK/Ozone/ozone.html
This one answers almost all of your questions!
Best regards,
Rich
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wi
Is there anyway to "remove" the paragraph emc-pstc adds to the msgs?
I archive all the msgs and it's starting to look like 30-40% of the text
are those paragraphs! It's really noticeable when a quoted msg has a
quoted msg with a quoted msg.
Don't get me wrong. That paragraph is really handy.
T
Hello Folks,
Does anyone know what the crepage distance shall be across the isolation
from the line side to modem side within the DAA of Modems?
Which document/standard refers to this specific spacing in detail ?
I have been told by local experts on EN60950 that I need 4.2 mm spacing
across the
Mike:
It's a Federal Aviation Regulation. There's lots of them. Here's a link to just
one section of FAR 121:
http://www.caar.db.erau.edu/crm/resources/reg/far121n.html
having to do with training and maintenance.
Ed
From: "Campi, Mike"
Date: Thu, 8 Oct 1998 09:0
Mike:
FAR to me means "Federal Acquisition Regulation" which is in the
contracts domain. Ask a suit at your company.
Regards,
Jack
Jacob Z. Schanker, P.E.
Director of Agency Compliance
Microwave Data Systems
175 Science Parkway
Rochester, NY 14620 USA
+716 242 8454 (voice)
+716 241 5590 (fax)
j
There is a multitude of equipment required in these test methods. Most of the
equipment is available off the shelf from companies such as Solar, HP, EMCO,
Fischer Custom Communications, etc. Other equipment such as for Parts 15, 22
and 23 is not to my knowledge, available commercially. You wi
Dear Mr Jensen,
A Recognized/Certified Component is required to be marked with at
least the Recognized/Certified Company's name or tradename or
trademark or file number (if allowed for the specific category) and
model designation. Because of limited space on small
components, manufacturers pre
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 mi
Thank you to all that replied. I got the electronic version from the FAA web
site.
I don't know if this forum could answer more detailed questions, but is
there a forum for FAA?
Just incase someone on this forum does, can they answer the following
questions;
1. What standards would apply f
Hello Chris,
I assume your xerox copier is used in an office or business
environment. Such copiers are covered under the European
Standard for Information Technology Equipment, Including
Electrical Business Equipment EN60950. This standard has limits
for ozone concentrations. I do not have a c
Better yet, how about the subscribers taking the additional two or three
seconds it takes to do the responsible thing and delete it themselves?
Peter L. Tarver
Nortel
ptar...@nt.com
> -Original Message-
> From: Robert Macy [SMTP:m...@california.com]
> Sent: Thursday, October 08, 1998 12:05
From: Scott Roleson
Subject: Re: Shield Room Grounding
Date: Thu, 8 Oct 1998 14:17:56 -0700
To: emc-p...@ieee.org
Cc: sc...@hpsdde.sdd.hp.com
>
> Barry Ma forwarded to me a message from Peter Hays that said:
>
> > Can someone tell me what is the best meth
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