UL and CSA do have recognized or certified labeling systems which involve the
paper, ink, and adhesive for the material upon which it is applied. The CB
folks don't trust it and we have to have a sample tested every time. Not than
being annoyed in having to send a sample every time I haven't
Ralph, no real argument to the benefit except especially the safety folks won't
even go into court as an expert witness on your behalf. But the benefit of the
third party is more in how deep they get into your wallet. is the reasonable
manufacturer doctrine in Tort law. It's just what it sounds
Yup, it's the theory of deep pockets but there still has to be proximal cost
for them to drag anybody into the fray UL didn't design it, they didn't sell
it, and they didn't tell anybody it was safe - only that it meets the standards
for safety that exist at the time of review. I suppose it was
Knowing there are directives for EMC, Safety, and RoHS compliance I am a bit
uncertain what to do with a subassembly which is in itself incomplete and not
fully functional but requires entry into the EU so that it can become part of a
larger system - also requiring all the regulations.
We
Jim,
You can use equipment like an Ixia box to drive traffic it has the
advantage over simple ping etc in that you can shape the traffic, add delays,
jitter etc, and monitor the data throughout the test, particularly immunity
testing. It's a bit pricey but it has numerous capabilities
An old clause in C64 and I believe the EU ITE test set-up indicated you could
stop adding identical I/O's the X+1 I/O emission changes by less than 2 db. I
remember, but don't have an old HP study on the edition of fiber optic
transceivers and it showed that it never really stopped increasing
Probably right after the battle of Gettysburg
Gary
From: Pettit, Ghery [mailto:ghery.pet...@intel.com]
Sent: Tuesday, January 03, 2012 12:23 PM
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] Experts and Wisdom
“Judgment comes from experience. Experience comes from poor judgment.”
Robert
Rather than wise man – here is citation from the wiseguy arena.
My dad always said, “You’re not completely worthless – you can always serve as
a bad example”
Funny man, my dad – snort!
(Wiseguy is a sarcastic American idiom meaning – Informal . a cocksure,
conceited, and often insolent
I'm trying to track down a customer requirement for a piece of medical gear and
apparently I'm a revision behind. They have a requirement for 15 and 30 kV air
and contact discharge and they reference the 3rd edition standard. My current
standard doesn't have levels that go that high. Normally I
Kim,
I have some customers in your area and I'll see if they can help -
unfortunately between me and the guy that would know are several layers of
people so I may not get an answer but I'll try. Beyond that when you do find
it, I would focus not so much on the technical changes
Just a secondary thought here. I caught Rich's comment about hoping the
inspectors would agree on the lab. One can take a CB report from an NCB - say
TUV or VDE and send the report to a more widely accepted US lab - say UL, and
after review of the national deviations get a UL sticker if you so
Can bus requires a 120 termination, and I have a client that is trying to do it
with the bare cable, and I don't know that such cable exists unless custom
built. I'm aware of impedance controlled coax but this is just your standard
hookup cable in an appropriate jacket. We terminate the line at
Thanks, that is exactly what I keep trying to tell them, unsuccessfully for the
moment, and wanted to check my facts.
Gary
From: Rob Kado [mailto:rk...@chrysler.com]
Sent: Tuesday, January 24, 2012 10:42 AM
To: McInturff, Gary; 'EMC-PSTC@LISTSERV.IEEE.ORG'
Subject: RE: 120 ohm CAN cable
I've used us recognized molded vendors multiple time, they were all US and not
China or other offshore - but the cost compared to other vendors was minimal.
You're right it's a paper chase, the audit is, or at least was, on the molding
process not the part being produced. UL comes in ask what
Monty Python - department of arguments sketch with John Clease (spelling?)
Enjoy
http://www.youtube.com/watch?v=9F7dL41VaRk
Gary
-Original Message-
From: Brian Oconnell [mailto:oconne...@tamuracorp.com]
Sent: Tuesday, January 24, 2012 12:57 PM
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject:
Does anybody have a succinct answer to the relationship between the FDA and
safety approvals?
The FDA just seems to classify the maximum out of a laser component, and quite
often is class III - and identifies it as harmful to the eye. If I use the
device in a product then we have to be
I'm probably just restating Donald's note below but / means that it has two
distinct inputs 120 or 240. The hyphen indicates a continuous range of
operation from 120 through 240. The definition is buried in EN60950 somewhere
but I forget exactly where. That of course doesn't mean that it
As I understand it, it's so the installer, even consumer type stuff - knows how
many amps are being pulled for this unit, as well as plugging it into the
correct voltage.
Gary
From: ralph.mcdiar...@schneider-electric.com
[mailto:ralph.mcdiar...@schneider-electric.com]
Sent: Monday, January
I'm trying to solve a Class II - no earth ground connection - medical device
problem. I have one complex part that I need to insulate such I can get two
MOPP's of insulation value and it has to be done through an insulator - I can't
use creepage or clearance distances to solve the problem.
Has
Even a wiring connection box mounted in a wall or ceiling has to have an access
panel. You'll see those occasionally in your house, particularly the basement
where somebody added some outlets or something into an existing run. It Rather
than a switch or outlet plate, it's just a flat plate with
We have an adhesive with no RoHS certs, Are there RoHS capable test labs in the
US. I would presume there is some % of total content that is allowed if one
only knew what materials are in the adhesive. Not my area just asking for a
panicked compatriot. He's looking for any means at the moment
Brian,
I'm a little confused here and obviously don't know the system but don't your
specifications control what any vendor is sending you? They either meet them up
front or you would test and evaluate before they can be excepted into your
system. If you can't control that then you system
The standard was for X-ray equipment but has long been withdrawn but a customer
specification say's meet it. Does anybody happen to have this clause and
willing to share it.? Thanks
Gary McInturff
Reliability/Compliance Engineer
Esterline Interface Technologies
Featuring
ADVANCED
If one digs a bit into the NEBS requirement they call out approval to 60950-1 -
or at least use to call it out. Then they add lots of other stuff environmental
- earthquakes protection, corrosive gasses et al. Joe's correct it's a purchase
specification not a regulatory requirement. But that
I'm stunned by this Mr. Bilton's cavalier attitude about other people's time
and money, and maybe even more stunned at how little time or research he did
before declaring that the whole thing would just be really simple and
everything.
To keep things moving, the airlines could team up and
That's the number I have in mind as well - doors close to 10,000 feet, but yes
there are the occasional longer times up to an including the stranded on the
tarmac stories heard every so often.
Gary
-Original Message-
From: Grasso, Charles [mailto:charles.gra...@echostar.com]
Sent:
I propose an IECEE form for the Proclamation of the Declaration of a
Certification of Conformity.
Why propose new documents when good old circular reasoning can solve the
problem. Especially if the real problem is not necessarily complying with the
directive but getting it past the customs
Comments interspaced in your text below, but basically I agree with you, not
only here but over the last 30 years or so of doing this.
Gary
-Original Message-
From: Brian Oconnell [mailto:oconne...@tamuracorp.com]
Sent: Wednesday, March 28, 2012 5:00 PM
To: EMC-PSTC@LISTSERV.IEEE.ORG
I would add one thing to the list - in most cases compliance is a much a part
of the customers functional specification as are the more traditional values
for operating, intended environment, data rates, pixel size, fit and finish.
That is the case whether it's a custom designed product where
Just checking to make sure I understand.
For Europe the 60601-1 medical standard transitions from 2nd to 3rd edition. It
does the same in the US next June.
So after June 1s we can't ship to the EU but
What about products that are in our customers warehouses in the EU at
that time? Do
d250d01e39356a4e9cc3b4b459d665503ccd0...@ms-cda-01.advanced-input.com,
dated Mon, 2 Apr 2012, McInturff, Gary gary.mcintu...@esterline.com
writes:
What about products that are in our customers warehouses in the EU at
that time? Do they have to be recalled or can they be used until the
warehouse is empty
I understand why we can't send jpg's and bitmaps but that is going to make this
a bit more complicated - but I'll give it a try. If you would follow the link.
A colleague, whom I appreciate a great deal has an unfortunate habit of taking
Wikipedia as valid reference data. I'm trying to break
Possible - sure. You can get a air powered actuator to touch it, but depending
on whether its resistive or capacitive. If capacitive you will likely have to
build up a little human model pcb for the probe and get it to ground. The air
actuator can be driven outside the chamber, if your air
Right smack in the middle of this myself. The answer received so far is it's
one directional. UL will accept a 60950 power supply with 60065 equipment, but
they cannot have a full CB report written because EU or parts of it (as
explained to me) won't allow it.
Most maddening is that our
Given the implementation differences between US/Canada(?) and EU on the medical
60601-1 standards. EU the June, US June 2013. How are folks handling new
products being introduced now or in the very near future? Just got a quote back
and the US certifier wants to charge me twice once for the 2nd
Gary
From: McInturff, Gary [mailto:gary.mcintu...@esterline.com]
Sent: Monday, April 23, 2012 11:37 AM
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: [PSES] Safety cost and ESD
Given the implementation differences between US/Canada(?) and EU on the medical
60601-1 standards. EU the June, US June
lucky. Opinions whether this is a 'respectable' test technique?
Brian
-Original Message-
From: emc-p...@ieee.org [mailto:emc-p...@ieee.org]On Behalf Of Conway,
Patrick
Sent: Tuesday, April 24, 2012 3:53 PM
To: McInturff, Gary; EMC-PSTC@LISTSERV.IEEE.ORG
Subject: RE: [PSES] Safety
Good quality means high coverage braid, and Charlie's note about the 360
bonding and how the shield is attached is critical and should prove successful
from my past experience. The only times I failed with a good shield is when I
didn't terminate the shield at both ends or poorly at one end or
Would appear the real pirates are at UL and BSI
Gary
From: Don Gies [mailto:don.g...@alcatel-lucent.com]
Sent: Tuesday, May 08, 2012 6:25 AM
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] e-standard.org The cheapest standards in the world
Ahoy, me hearties!
My view is that there are too
[mailto:lfresea...@aol.com]
Sent: Tuesday, May 08, 2012 9:38 AM
To: McInturff, Gary
Cc: don.g...@alcatel-lucent.com; EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] e-standard.org The cheapest standards in the world
Always one to buck the trend, I think these are reasonable prices
We are ripped off
Is there any time limit on how long a test result is valid for an EMC test - if
the product hasn't changed. CB reports have a 3 year shelf life, after which
the various CB participants are obligated to take the reports on face value and
could require inspection or retest, but I don't know if
are
always looking for ways to get more chips out of a single wafer.
Ted Eckert
Compliance Engineer
Microsoft Corporation
ted.eck...@microsoft.commailto:ted.eck...@microsoft.com
The opinions expressed are my own and do not necessarily reflect those of my
employer.
From: McInturff, Gary
Just for clarification the chamber itself doesn't provide the power. It's often
derived from facilities power and routed into the chamber through the bung hole
- yes it seals afterward. The important point is that if you find a chamber
that does the temp and altitude you want, you can always
Does CCC handle medical products - large X-ray machines and the like, or does
China allow the use of a CB report.
One of our program manages has been asked to get samples ready for Chinese
UL and that the samples don't have to be final versions, just maybe electrical
prototypes. I know that
Well don't try - what is the sound of one hand clapping I asked Siri (iPhone
assistant thingy) and she gave me an answer. (Silence)
Try to avoid definitions and work the question so they have to demonstrate
knowledge of what things do.
You might try, if you have inadequate creepage distances
Isn't there a difference between auto-switching and auto-ranging?
Gary
From: Ron Pickard [mailto:rpick...@equinoxpayments.com]
Sent: Tuesday, July 03, 2012 1:49 PM
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] Interview Questions
Hi Scott,
That's not always the case. I've had experience
I'm trying to support boss hog just a bit on a product. I'm looking in OJ for
the dates of withdrawal for the 2nd edition of the medical safety standard, and
I think I can find that, is there anything more clear that just simple says
it's can't be used after such and such a date. We're putting
I approached UL with a similar request earlier this year and I don't remember
the exact response but they were looking at it unfavorably because of
durability and penetration issues over time. They do have in place a somewhat
parallel process though for EMI coatings on plastic parts. (cell
The somehow isn't probably as farfetched as we might imagine. In the medical
and ITE standards (and likely others) the provisions for thin insulations.
Paint is in fact an insulator after the carrier evaporates. Insulators as a
classification are basically thick or thin - and just because
Non symmetry is also the case of ESD diodes or TVS, they may limit the forward
current to 24V, but the reverse might be 18 Vdc, and that varies from vendor to
vendor even though they are rated on the data sheet similarly
Gary
-Original Message-
From: John Barnes
Purple text
Gary
From: Fred Townsend [mailto:ftowns...@sbcglobal.net]
Sent: Thursday, August 02, 2012 3:09 PM
To: 'Derek Walton'; j...@randolph-telecom.com; McInturff, Gary;
jrbar...@iglou.com; EMC-PSTC@LISTSERV.IEEE.ORG
Subject: RE: [PSES] EN 61000-4-5
Thanks for the replay Derek. Please see
Interesting I thought this was an old wives tale. So let me ask one more
question then. I had heard all of this along with the case in which the user
could be sanctioned somehow if their TV was in fact causing a problem, maybe
incorrect installation or something. Again I thought this was just
Okay so I’m really old at it wasn’t a phone call but I did learn that Nikita
Khrushchev died while trying to identify what obviously turned out to be an
ambient during an emission test. I still don’t know the exact source (I’m in
the us, but back then nobody else heard about it for about 8
I see that NOM requires in country testing - I assume that means that a CB
report isn't sufficient, is that correct? Do they require EMC in country as
well?
Is this rationally done with using a second party certifier such as UL,
interteck, ETL and the whole raft of certifiers. It's a small
Shorting batteries will sitting in your shorts?
Gary
-Original Message-
From: John Woodgate [mailto:j...@jmwa.demon.co.uk]
Sent: Tuesday, August 28, 2012 12:37 PM
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] another cell phone battery
In message
Doug, doesn't OSHA have different levels for different environments - machinery
rooms where they have to have ear protection can go up to 90, but offices would
certainly be less than that. I think a quiet office is around 55 dBA
Gary
From: Doug Nix [mailto:d...@mac.com]
Sent: Tuesday,
...@mac.com]
Sent: Tuesday, September 04, 2012 2:19 PM
To: McInturff, Gary
Cc: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] Buzzer loudness standard?
Gary,
No. ...3dB above the maximum OSHA 8 hour day background limit @ 3 meters...
See the table in 1910.95. These are the absolute limits. Other
I followed the link. Q1.2 says
Q1.s What is the difference between Directive 2002/95/EC (RoHS1) and Directive
2011/65/EU (RoHS2)?
There are key differences between RoHS 1 and RoHS 2 in the following areas:
1. Scope
A gradual extension of the requirements to all electrical and electronic
Does anyone else have as much trouble with these monitors as I seem to have.
One could almost cook popcorn on top of some of the monitors we have for the
lab - makes trying to measure the stuff we are generating difficult and annoys
all to heck.
Using a computer with an expansion bus card
Every design and manufacturing facility has not just a single test fixture but
several hundreds of them as they design, build, and produce the product. Every
development chassis sitting in engineering labs or desks are test fixtures,
every PCB that is plugged into a backplane for trouble
Thought I knew what I was doing, obviously I don't
I have a device with a thermal resistance ThetaJA (J-P in this documentation).
It's for SMT CHIP LED the specified value is 400C/W. for a plastic package that
seems about right. I am looking at another LED but it lists ThetaJA as
400K/W.
Now you've done it Bill - I've heard some pretty interesting stories about the
first test sites. In my case we were class A verification and while we needed
to test we could do it ourselves. Companies never have a dime for stuff they
don't want to do - usually eaten up by the annual sales
The method of propagation of those limits and tests was interesting. I got a
call from a collegue at another company that asked if I knew anything about
this new label the FCC wanted to put on computers. It was the basic warning
label. I was just doing Safety compliance (compliance being the
I believe that is correct
Gary
From: Ted Eckert [mailto:ted.eck...@microsoft.com]
Sent: Monday, October 22, 2012 10:13 AM
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] Enamel layer of windings in primary of mains transformer or
AC motor
Hello Scott,
Others will correct me if I am wrong,
I think UL 22 covers it in the US but does anybody have a clue for EU?
Thanks
Gary McInturff
Reliability/Compliance Engineer
Esterline Interface Technologies
Featuring
ADVANCED INPUT, MEMTRON, and LRE MEDICAL products
600 W. Wilbur Avenue
Coeur d'Alene, ID 83815-9496
: McInturff, Gary [mailto:gary.mcintu...@esterline.com]
Sent: Tuesday, October 23, 2012 10:01 AM
To: EMC-PSTC@LISTSERV.IEEE.ORGmailto:EMC-PSTC@LISTSERV.IEEE.ORG
Subject: [PSES] Gaming equipment Slot machines - Standard?
I think UL 22 covers it in the US but does anybody have a clue for EU?
Thanks
Gary
-expert people
in shops, offices and the like.
John C
From: McInturff, Gary [mailto:gary.mcintu...@esterline.com]
Sent: 23 October 2012 19:11
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] Gaming equipment Slot machines - Standard?
Thanks all. Consensus
Morning Ed, John has it correct. A company that produces thousands or even
hundreds of thousands generally scales up its builds and inventory of parts as
the design matures, but nothing can go to production release unless the company
is sure that the design meets its goals. You wouldn't want to
1) Are there any major differences between China's GB 9706.1-2007 Medical
electrical equipment - part 1 General requirements for safety and the base IEC
document on which it is based?
The customer ran a 3,000 volt Dielectric withstand test on a 5 volt hand held
secondary device. It failed
I would use Exercise if I guess correctly at your intent, but I'm fairly
certain my British friends will point out that Americans don't speak English. :)
Gary
From: ce-test, qualified testing bv - Gert Gremmen [mailto:g.grem...@cetest.nl]
Sent: Wednesday, October 31, 2012 1:02 PM
To:
Brian,
Word of caution and you probably understand this - watch the routing of the
wires for the power supply. If the DC output are routed next the AC input
inside the box you will have completely bypassed the power supplies filtering
and inject output noise into the input lines. Happens all
- it is their reputation and their baby.
Brian
-Original Message-
From: emc-p...@ieee.org [mailto:emc-p...@ieee.org]On Behalf Of
McInturff, Gary
Sent: Wednesday, October 31, 2012 7:47 AM
To: 'John Woodgate'; 'EMC-PSTC@LISTSERV.IEEE.ORG'
Subject: RE: [PSES] Possible Counterfeit EMC Components?
Morning Ed
CLASSIFICATION SERVICE - A service whereby UL determines that a manufacturer
has demonstrated the ability to produce a product that complies with UL
requirements for the purpose of classification or evaluation with respect to
one or more of the following: (1) specific risks only, e.g.,
Hydro - inspections I believe they are called. It's been awhile, but commercial
businesses etc were awfully careful about making certain there were
certifications marks on equipment before they were turned on. I had to make a
few trips into Canada for trade shows on equipment that had complete
I have been unable to find it - can someone give me a pointer to the
requirement please?
Gary McInturff
Reliability/Compliance Engineer
Esterline Interface Technologies
Featuring
ADVANCED INPUT, MEMTRON, and LRE MEDICAL products
600 W. Wilbur Avenue
Coeur d'Alene, ID 83815-9496
for?
Regards,
Ted Eckert
Compliance Engineer
Microsoft Corporation
ted.eck...@microsoft.commailto:ted.eck...@microsoft.com
The opinions expressed are my own and do not necessarily reflect those of my
employer.
From: McInturff, Gary [mailto:gary.mcintu...@esterline.com]
Sent: Thursday, November 15
I'm also just curious what countries don't use Arabic numerals? I would have
been able to understand what standard was in play from what you sent below if
you had sent it in Dutch, or Spanish. Group and class
Groep 1, klasse A and Grupo 1, clase A, took about 30 seconds to actually
translate
NEMA is good for the US, but in Europe they use the IPXX system where the first
x describes particle tests (sand and bugs) the second X is for water integrity
and can be found in 60529 Degrees of protection provided by enclosures (IP code)
NEMA and IPXX are similar but not the same.
Gary
The counter example, maybe. Is a monitor we built some years ago was at the
start of a fire. Evaluation quickly showed that the monitor was not the source
but rather a bank teller full of Christmas spirit had lit a candle next to the
monitor and didn't blow it out before going home. Somewhere
I have a customer with a EMC test about 14 years old now - and it was done to
US and EU requirements 55022 55024 etc. They now have a requirement for Korea
and are insisting that Korean approval can be gained without a Korean
acceptance of the test - which requires documented evidence that the
Jody, just for clarification. Doesn't UN38.3 require independent testing and
approval. I haven't done it directly simply watched a vendor go through the
process - we were in need of a custom Li battery pack and I believe they had to
send it to a lab other than their own for the tests.
Gary
Brian from a cheapy standpoint - we only leave the lights on when
troubleshooting in the room and then I'm looking at some pretty specific stuff.
I know our lights have noise but I know what it looks like. When I'm doing any
sort of overall product measurement I simply turn off the lights and
Ladies and germs
I was confirming this set-up and found something confusing.
The picture shows the cable which is used to remove charge from the EUT between
successive ESD discharges and having 2 470k Ohm resistors, the same basic setup
as between HCP and ground plane or VCP and ground plane.
...@verizon.net]
Sent: Wednesday, March 06, 2013 4:44 PM
To: McInturff, Gary; EMC-PSTC@LISTSERV.IEEE.ORG
Subject: RE: [PSES] test setup for table top ungrounded equipment 61000-4-2
IEC:2008 figure 6 page 20
Interesting. I have done the testing with the bleeder cable as described
connected in parallel
Technical Services LLC
Woodland Park, CO
k...@emc-seminars.commailto:k...@emc-seminars.com
www.emc-seminars.comhttp://www.emc-seminars.com
(Sent from my iPad)
On Mar 6, 2013, at 5:48 PM, McInturff, Gary
gary.mcintu...@esterline.commailto:gary.mcintu...@esterline.com wrote:
The problem is I don’t
change I’m unaware of.
Thanks
Gary
From: ce-test, qualified testing bv - Gert Gremmen [mailto:g.grem...@cetest.nl]
Sent: Thursday, March 07, 2013 10:23 AM
To: McInturff, Gary; Ken Wyatt
Cc: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: RE: [PSES] test setup for table top ungrounded equipment 61000-4-2
IEC
John.
I think I answered this globally so I'll just do it locally for the moment. My
humidity was a little on the low side, about 28% and theirs was closer to 38%
or so. I would anticipate that might results would be the most harsh, but I am
watching that as well. I was working in a Japanese
d250d01e39356a4e9cc3b4b459d6655094db3...@ms-cda-01.advanced-input.commailto:d250d01e39356a4e9cc3b4b459d6655094db3...@ms-cda-01.advanced-input.com,
dated Thu, 7 Mar 2013, McInturff, Gary
gary.mcintu...@esterline.commailto:gary.mcintu...@esterline.com writes:
My humidity was a little on the low side, about 28
It's really easy Ed - just look at the report and if it says critical then it's
a critical component. :) A power line filter would be an example of a critical
component, a ferrite bead, or even a cap and resistor filter on a data line. I
haven't seen this type of requirement in a long time -
Ha!
Your last paragraph mimics when I identify problems.
Gary
-Original Message-
From: Brian Oconnell [mailto:oconne...@tamuracorp.com]
Sent: Wednesday, March 13, 2013 10:36 AM
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] Critical component in EMC report
Critical component - a
Nor should the safety implication be addressed in the EMC report. They are
controlled by the safety evaluation itself and subject to re-evaluation as
those parts change. I have been to numerous and well qualified test facilities
around the country and have yet to find one that is really good at
As others have posted I think goes way back to the time when you had to hire a
VDE engineer to come over the US about every 6 months and then witness the test
for themselves. A whole slew of things have changed since then, include
harmonization of the emissions limits international agreement to
Having paid the bills on these for years I can tell you that the safety side
the other side of the pond has never really inspected to a list safety of
components (they would charge you based on the number of components they chose
to control) but they never did a product inspection to see if
Startup needs a little help in working with multiple input circuits for their
non patient contact equipment. Medical laboratory is probably more the point of
the equipment. They have been through development cycles a time or two, but are
now looking at the need to switch between 120/240 for
Interesting N-hexane is also the gas they inject into test chambers to see if
there is an explosion in the presence of a spark.
Mil-810F section 511.4-2
paragraph 2.1
Unless otherwise specific, use n-hexane, either reagent grade or 95% n-hexane
with 5% hexane isomers.
Given that the test
Rich,
You are correct they will accept a recognize marking system without test - but
it doesn't matter, if they are preparing a CB report for Europe they are
required to test the label.
Gary
-Original Message-
From: Richard Nute [mailto:ri...@ieee.org]
Sent: Tuesday, March 26, 2013
Does one just state there are no requirements at this level on the DoC, do they
reference the appropriate directives for safety and EMC for the final product.
We custom design bits and pieces for end customers in EU, and we keep dancing
around this issue both for ITE and medical devices. It
@LISTSERV.IEEE.ORG
Subject: Re: [PSES] so what does a DoC look like for a subassembly that isn't
usable on its own?
In message
d250d01e39356a4e9cc3b4b459d6655094dc1...@ms-cda-01.advanced-input.com,
dated Tue, 2 Apr 2013, McInturff, Gary gary.mcintu...@esterline.com
writes:
Does one just state
Thanks all who responded. I have a better idea in mind of how to proceed.
There are known knowns; there are things we know we know.
We also know there are known unknowns; that is to say, we know there are some
things we do not know.
But there are also unknown unknowns - the ones we don't
Sounds logical - but good lord a kid finds dog poo appealing so that's kind of
a broad category
Gary
-Original Message-
From: Tyra, John [mailto:john_t...@bose.com]
Sent: Wednesday, April 17, 2013 6:58 AM
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] 3D passive glasses
Found this
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