thank you to the list administrators who keep
this forum running smoothly!
So Long All
Dick Grobner
Medical Graphics Corporation
350 Oak Grove Parkway
St Paul MN 55127
1-651-766-3395
1-651-766-3389 (fax)
dick.grob...@medgraph.com
www.medgraphics.com
You could try searching the following web based data bases for MSDS's
www.msdssearch.com
www.cdc.gov/niosh/npg/pgintrod.html
Good Luck
-Original Message-
From: Peter Merguerian [mailto:pmerguer...@itl.co.il]
Sent: Thursday, July 26, 2001 2:19 AM
To: EMC-PSTC (E-mail)
Subject: Oils for
FYI - In the state of Minnesota they refer to this document as Article of
Incorporation and not Certificate of Incorporation. I confirmed by
checking ours.
-Original Message-
From: Clement Dave-LDC009 [mailto:dave.clem...@motorola.com]
Sent: Thursday, June 28, 2001 3:59 PM
To: 'Veit,
I thought Japan - VCCI was for ITE equipment only? or am I wrong? I believe
that Japanese safety standards are JIS - #. Which number applies to radios
Tx/Rx I have no idea. hopefully someone else in the forum will know.
Good Luck.
-Original Message-
From: am...@westin.org
Richard
In a FAQ RTTE document I pulled from
http://europa.eu.int/comm/enterprise/rtte/faq.htm page 11 it deals with this
issue, put give no source definitive source. There are some other
interesting comments to some of the questions posed in this document. This
is new for me so any bit of info
I forgot to mention, however we do test four equipment for emissions to FCC
Class B.
-Original Message-
From: Dick Grobner
Sent: Thursday, June 21, 2001 3:33 PM
To: 'Tania Grant'
Cc: 'emc-p...@majordomo.ieee.org'
Subject: RE: FCC + FCC = FCC? - Outlaw
Will put Tania and I agree
Will put Tania and I agree with your reasoning!
We don't deal with the FCC as we are a medical manufacturer, but we do deal
with the FDA and the Europeans. We are a small medical manufacture compared
to the Big Boys and we must play by the same rules! Size and dollars has
nothing to do with it and
In the eyes of corporate officers - as long as it doesn't cost us extra $'s
or cuts into the bottom line!
From my experience - if I have a standard or regulation to back up these
types of requirements it does make my job allot easier! In (most of) the
corporate world, the almighty buck carries
I would check with the:
local
county
state
federal
requirements - in that order. That is the hierarchy established here in the
State of Minnesota.
I was also advised during a recent ISO Audit that we as a supplier of
electronic equipment using a Lithium Ion battery are required to advise our
Doug - as Glenn stated, one of your other customers may have a requirement
to obtain a third party safety approval that your device is installed in.
With out an approval on your device it would make their job allot harder and
the cost would probably increase. As the compliance engineer for a
I would have to state that the polymeric material would be listed under the
manufacture of that material (not necessarily the EMI gasket manufacturer)
and the shield effectiveness data would be from the manufacturer of the EMI
gasket. You should be able to contact the EMI gasket manufacture for
Some companies to check with are:
NGI, Elk Grove Village IL 1-708-437-6444
AEMC Instruments, Boston MA 1-800-343-1391 www.aemc.com
Both companies make / distribute ground (soil) resistance testers
Good Luck!
-Original Message-
From: Leslie Bai [mailto:leslie_...@yahoo.com]
Sent:
Good Day Andy
About three years ago I had the same dilemma. I searched and found no such
standard that was directed toward just this subject. There are many articles
written and published in magazines, technical books, etc. dealing with
proper cable construction. I then decided that I would
Dan - we have a Keytek Model MZ-15/EC Mini-zap ESD simulator with contact
discharge tip Model MZTPC-2. We use it for pre-compliance testing per
EN61000-4-2. We have been very pleased with its performance. We have Keytek
perform the calibration and maintenance of the simulator and it never has
)?
Appreciate your feedback Jon! thanks again.
Does anyone else on this forum have any input - would appreciate it.
-Original Message-
From: Jon Griver [mailto:jo...@medson.com]
Sent: Monday, May 21, 2001 9:16 AM
To: Dick Grobner
Subject: RE: Production Line Test Requirements - Medical Devices
(See appendix B, and then paragraph
4.1). Thus - they are not identified as production line tests. I know that
the NRTL's in the USA (UL/ETL) specifically call out what tests are to be
performed after the production build of equipment.
Any input would be appreciated.
Thx
Dick Grobner
Medical Graphics
I just received word yesterday that IEC has just released the following
publications:
IEC 61000-4-2 (2001-04) Edition 1.2 (ESD) Includes amendments 12
IEC 61000-4-3 (2001-04) Edition 1.2 (RF Radiated Immunity) Includes
amendment 12
IEC 61000-4-5 (2001-04) Edition 1.1 (Surge) Includes amendment 1
With regards to your questions:
Mobile or not does not make a difference. We manufacturer diagnostic
equipment and use off the shelf PC's to do the number crunching. CE
marking on the PC has always been an issue with us. About two years ago I
did a PC search regarding CE marked equipment under
We have a certificate of conformity shipped with each lot of our
transformers. This document defines in detail the materials and construction
of the transformer. We have been using this method for a few years on about
3-4 transformers and have not had any problems with the UL factory
inspections.
You can obtain a free copy using the FDA search web site:
http://www.fda.gov/search.html
Just type in MDS-201-004
Good Luck!
-Original Message-
From: Schaefer, Rolf [mailto:rolf.schae...@de.unisys.com]
Sent: Wednesday, April 04, 2001 2:51 AM
To: 'Matsuda, Ken'
Cc:
Kind of follows the USA (OSHA) CFR 29, Part 1910, Sub-Part S requirements.
That is - if the equipment is used within the work place it is the employers
responsibility to ensure that the equipment is safe for use by his/her
employees. Sub-Part S describes the means of achieving this.
I would state the requirements (UL Recognized) for the wire, heat shrink,
etc. on the print somewhere. You may want to also set up some sort of
certification process with your supplier, that is, you and your supplier
work up a certification document stating that components used on your
assembly
Yes
I returned to work this past Monday only to see that I received over 80
e-mails over the weekend. After I recovered from the shock I started opening
them, only to find about 60 or so were repeats from the last part of last
week. I also have seen a few repeated these past few days. It appears
We have a similar scenario presently. It was explained by our Notified Body
this way:
We, company B, are ISO certified and wish to market company A's device into
the EU. However, company A is not ISO certified and wishes not to be (small
company with little cash). The Medical Device Directive
It must be interesting in New York City then! Every building must have a
cell antenna on top of it.
-Original Message-
From: eric.lif...@ni.com [mailto:eric.lif...@ni.com]
Sent: Thursday, January 25, 2001 1:27 PM
To: Brent DeWitt
Cc: emc-p...@majordomo.ieee.org; owner-emc-p...@ieee.org;
I agree, many years ago we did exactly that, labeled the product as
conforms too _ _ _ _ before we started using an NRTL for product safety
testing. Eventually the larger medical institutions and corporations got
wise and started asking too see the third party NRTL mark on the product.
Sense, we
I agree - what is it? I tried looking it up in some of my PC design books at
the start of this one and came up blank. Does it go by another name?
-Original Message-
From: rehel...@mmm.com [mailto:rehel...@mmm.com]
Sent: Thursday, January 18, 2001 8:15 AM
To: emc-p...@majordomo.ieee.org
The device will need CE, thus the typical route is a tech file and a DoC.
Refer to the Medical Device Directive (MDD) or the In-Vitro directive. From
the little info you provided I would guess the Medical Directive is the one.
Reading the scope of both should assist you in selecting the
For UL Standards:
http://ulstandardsinfonet.ul.com/
For IEC Standards:
http://www.iec.ch/webstore/
For EN's I usually call:
Simcom International, Atlanta GA 1-770-730-9980 and ask for revision level
of doc and $
Another good source for checking and purchasing standards is Global
Engineering
Medical Device Directive
As I understand it (and our Notified Body) all warning messages on the
device, the basic operating instructions are required to be translated. We
have taken our User Manuals and streamlined them into the basic information
required to safely and effectively operate the
We have used the International Safe Transit Association standard 1A for
testing our medical devices. This is for products (in general) weighting up
to 100 lbs. This has been accepted by our Notified Body for addressing the
Essential Requirements within the Medical Device Directive.
Hope this
FYI:
From Webster's Third New International Dictionary:
STODDARD SOLVENT: a straight run petroleum naphtha fraction of low
flammability containing principally aliphatic hydrocarbons and conforming to
specifications (as water-white color, distillation range 300°F to 400°F, and
a flash point
What about using the fake wood that they have out now? It is composed of
some type of plastic but not sure of the base material used, or if it is
re-cycled plastic. Just another thought, I'm sure it would hold its shape
better in the high heat regions of the US.
One source is McMaster-Carr
The lead used in the tin lead solder is considered hazardous waste, unless
you are using lead free solder. I also believe there may be mercury in the
LCD displays. We dispose of our scrap Printed Circuit Boards with a licensed
recycler. They reclaim the precious metals (gold and silver) from the
Opps - I ment to say cyanoacrylate adhesive (supper glue) and an
accelerator.
Sorry!
-Original Message-
From: Dick Grobner [mailto:dick.grob...@medgraph.com]
Sent: Friday, December 15, 2000 4:03 PM
To: 'Joe Finlayson'
Cc: IEEE EMC-PSTC E-Mail Forum (E-mail)
Subject: RE: Thermocouple
If you are welding up your own thermocouples, 2 part epoxy works well. You
may destroy the thermocouple removing it but if you weld up your own - who
cares.
Hope this helps.
-Original Message-
From: Joe Finlayson [mailto:jfinlay...@telica.com]
Sent: Friday, December 15, 2000 1:53 PM
To:
We have placed the CE marking onto our external packaging for the very same
reason. We have been doing this for 21/2 years and no issues have been
raised. I can not assure you that this will minimize the chances of the
local custom officials from opening the carton and assuring that he device
is
I would contact the ESD Assoc. at 315-339-6937 and pose the question to
them. There is an ESD Assoc. standard #S7.1 but I believe it deals with
actual ESD flooring materials (i.e.tile). A company that supplies ESD floor
finish products is ACL Inc. 1-800-782-8420. I hope this helps!
-Original
At the web address below you will find an article written by J.M. Woodgate
dealing with 61000-3-2 -3. This may be of interest to some on this forum
as I know the issue seems to surface about every other week.
Happy Reading!
http://www.conformity-update.com/iec-61000-000908.htm
Dick Grobner
Short range device? Look at ETSI 300-683, EMC Std for Short Range Devices -
operating freq. 9kHz to 25GHz. Chapter 8 deals with emissions.
Hope this helps!
-Original Message-
From: wo...@sensormatic.com [mailto:wo...@sensormatic.com]
Sent: Wednesday, November 15, 2000 3:10 PM
To:
I would like to add that I (my employer) also have used Tania's #1
suggestion with regards to a similar device. Has worked out well over the
past years. Responsibility of compliance stays within the manufacturer's
facility and not ours!
-Original Message-
From: Gary McInturff
They are in the Schurter catalog dated 10/99, pages 144 - 155
Good Luck!
-Original Message-
From: jrbar...@lexmark.com [mailto:jrbar...@lexmark.com]
Sent: Wednesday, October 25, 2000 1:50 PM
To: dmck...@gte.net; emc-p...@majordomo.ieee.org
Subject: DC Fuse for Power Supply
Doug,
I ran
Web sites - try:
http://www.kropla.com/electric2.htm
http://www.interpower.com/guide.htm
http://www.quail.com/locator/index.html
Books:
Electric Current Abroad - US Dept of Commerce, 1-800-553-NTIS, or
http://www.ntis.gov the order number is PB98-193383 I think
California Instruments: Current
Yes - I have experienced it in the past. Another wiring scheme you may see
is the pigtail connection of the cable shield terminating to the connector
shell (if your lucky) but more typical it is terminated to the metal portion
of the connector body. Both methods of terminating the cable shield is
Basically - high potential testing is a means to check the integrity
(safety) of the wiring/components and construction used in the front end
before the power supplies. I have two free publications, from two
companies that manufacture high potential testers, that explain the process
and needs
For our medical equipment we have used ASTM D4169-96 D4728-95 and most
recently ISTA Procedure 1 1A. The ISTA appears to be the more universally
accepted standard.
Good Luck!
-Original Message-
From: ricklinf...@phobos.com [mailto:ricklinf...@phobos.com]
Sent: Thursday, August 31,
We have been using Raychem for a few years now as overload protection. We
have had no problems with safety approvals, etc. As far as I know we have
had no reported failures, etc.
I have also had excellent engineering support when needed.
No affiliation with Raychem - but they do make a good
Fabian
Ray Russell and Rich Nute are correct. It can be done and we presently have
an OEM device under a split inspection program of our NRTL. I would
strongly recommend against it fir the same reason the other two members
mention. It takes longer, cost more, in our case - we had to do all the
We have played with the idea but have consistently talked ourselves out of
it. Reasons have been:
- the ability to read the manuals (one also needs to provide a copy of some
sort of reader software such as Adobe)
- Revision control is a concern along with the cost.
- Our manuals are quite
them
out.
Thank you
Dick Grobner
Compliance Engineering
Medical Graphics Corporation
350 Oak Grove Parkway
St Paul, MN 55127
651-766-3395
651-484-8941 (fax)
dick.grob...@medgraph.com
---
This message is from the IEEE EMC Society Product Safety
Technical
Nick -
A quick review of 601-1-1 revealed a couple of main issues to be considered.
One is labeling (i.e. manuals equipment)that is, if the equipment is not
complaint with 601-1 the warning symbol (symbol 14, table 1, 601-1) needs to
be on the equipment and explanation within the user
Raychem (www.raychem.com)is one manufacturer that have PTC's that are UL
Recognized. I'm not sure if they have NTC's. We use their PTC's as
resettable overload devices (in transformers mainly) in our UL Certified
product line (medical). We have never had a problem with UL evaluating the
devices
(in advance)
Dick Grobner
Compliance Engineering
Medical Graphics Corporation
350 Oak Grove Parkway
St Paul, MN 55127
651-766-3395
651-766-3389 (fax)
dick.grob...@medgraph.com
---
This message is from the IEEE EMC Society Product Safety
Technical Committee emc
My 2 cents - I have used a piece of heatshirnk with the inner adhesive (that
melts upon shrinking) to comply with the same requirement. The shrink goes
over the barrel of the contact / lug and the insulation of the wire. After
shrinking / cooling the adhesive retains the wire pretty will.
I would also like to add that you could label the devices in the warehouse
but it would fall under a field inspection. This is when an ETL engineer
would go on site, run the required tests, inspect the device for compliance
to the test report, etc. Cost allot of dollars and some time. I have
May I add: In IEC/EN 60601-1 (medical) red may only be used to alert the
operator/user of an immediate danger to patient, operator or bystander. Use
of red as an indicator should be avoided.
-Original Message-
From: Mark Schmidt [mailto:mschm...@xrite.com]
Sent: Friday, September 22,
May I add: UL has a publication titled Show the UL Mark. The copy I have
is hardcopy and it may be available on their web site http://www.ul.com or
you may be able to request copy via e-mail. It is a very informative
document - worth obtaining reading!
-Original Message-
From: Colgan,
My input - I vote number 3. I usually run a leakage test and the high
voltage potential test on devices following he Immunity tests. I have also
experienced No. 1 however (smoke and fire during surge testing - and the dog
still hated the cat!).
Later!
-Original Message-
From:
Here's my 2 cents:
In Webster's II New Riverside Dictionary the definition of Consumer is:
1)one that consumes 2) A buyer of goods and services
Thus - Wouldn't one of our customers who buys our goods and services, say a
hospital, thus be a consumer!
-Original Message-
From:
Our notified body ID number consist of four digits, other ones I have seen
also have four digits.
-Original Message-
From: wo...@sensormatic.com [mailto:wo...@sensormatic.com]
Sent: Tuesday, April 04, 2000 2:50 PM
To: emc-p...@majordomo.ieee.org
Subject: Notified Body Numbers
How many
Sense this discussion has started regarding CE + CE = CE, I have one
question, and by the way - I agree with Paolo's comments (and the European
Commission Guidance Doc). We offer with our device an off the shelf standard
PC along with a printer, monitor, etc. This interfaces with our manufactured
Such as Appendix A in UL2601 - General Guidance and Rational
I've been in this section more than once and find it very useful.
Also for medical - The European Commission puts out Working Documents
titled MEDDEV's. These are used to explain and define either a directive, or
define terminology
Good Day - First, why are you using UL544? Why not use UL2601, based on
IEC601-1 with US deviations? Beware, UL544 UL187 may be used until Jan 1
2003, after that use of UL2601 will be mandatory. Also, As of Jan 1 2005,
all Listed, Classified and Recognized medical and dental products, where
A company called Caddock (www.caddock.com) makes high voltage non-inductive
resistors. I didn't see anything in their on-line short order catalog that
would work. It would be worth a try to contact them and give them your
requirements.
Good Luck!
-Original Message-
From: Mike Hopkins
I have tried for years advising our International Sales Marketing group to
budget into their yearly budget plan the cost of compliance. As usually when
I try too find a dept. account number with some cash in it to reference on
my PO's I get to this strange look back - like what are you
I have received more than two from different parties, is there an issue with
the 'EMC-PSTC' server, etc. I thought it may have been on my end.
-Original Message-
From: John Allen [mailto:john.al...@rdel.co.uk]
Sent: Thursday, March 23, 2000 9:28 AM
To: 'EMC-PSTC'
Subject: RE: Sizes for
I agree with Scott and will try to do better on future correspondences. It
is nice to have the reference even when dealing with co-workers who question
your knowledge or judgement in a matter. It too bad but I have run into this
many times in the past both internally and externally.
PS - Do not
that cutting hazards due to burrs and sharp
edges are minimized to an acceptable level? So far I have heard of two
methods: a specified minimum radius and a physical test of running tape over
edges (the UL test).
Richard Woods
--
From: Dick Grobner [SMTP:dick.grob
this clears things a little!
-Original Message-
From: pmerguer...@itl.co.il [mailto:pmerguer...@itl.co.il]
Sent: Tuesday, March 21, 2000 8:46 AM
To: Dick Grobner
Subject: Re: FW: SHARP EDGES/SURFACES
Dick,
My question was related to SEMI standards and not IEC 601-1. Brian Harlowe
gave a very
In the US (for rest of world?) the industry standard seems to be 1/8 dia
x 1/2L banana plug. This would be for the standard ESD wrist strap, that
is, NOT a continuously monitored ESD surveillance system (These types
usually utilize a dual conductor phone plug). I have purchased from many
EN 60601-1 (UL2601)section 23 states:
Surfaces, corners and edges:
Rough surfaces, sharp corners and edges which may cause injury or damage
shall be avoided or covered.
In particular, attention shall be paid to flange or frame edges and the
removal of burrs
Compliance is checked by inspection.
EN60601-1 (Medical Safety) Appendix C provides a list entitled Sequence of
Testing. This list is used during the course of the safety investigation on
the device. It follows as:
C24: Cont. leakage currents and patient auxiliary currents at operating temp
C25: Dielectric strength at operating temp
You could contact our Notified Body - TUV Product Services at 1-651-638-0261
or http://www.tuvps.com Dennis Swanson is the EMI Engineer I deal with. I
know they do quite allot of EMI work on pacemakers/defibrillators and the
like as we have some of the big boys up here in Mpls/St.Paul (i.e.
Our field service group uses an ESD field service kit. This is provided with
the standard ESD wrist strap grounding cord terminated with the standard
banana plug. We also provide them with a large gator clip which can plug
into the banana plug. We have also incorporated onto our device
I would like the list to stay as is. Even though I deal with medical
equipment I find the discussions related to ITE also interesting and
sometimes applicable to medical. I'm sure that for some of you your employer
is of a small caliber like mine as compared to the big guns, so you wear
many hats
-I agree with Ed's comment. Were mfg. of medical equipment, thus within our
global standard EN60601-1 Table XV provides a cross reference between the
conductors cross sectional area (mm sq. for copper)and the rated current of
the equipment. Also referring to UL 2601 (our US std) in the UL
I may add that UL does offer a two day course on UL 2601 (Medical Safety)and
I'm sure they have similar courses for UL1950 and so on. I'm still trying to
convince my employer to spend the $800 and fly me to Chicago but so far it
hasn't happen but who knows -
-Original Message-
From:
My 2 cents: I agree, it would make my life easier in compliance engineering
if the EE's ME's would have a little basic understanding of the concepts
of product safety. It seems that they have a general knowledge of EMI/RFI
but the product safety side is still missing.
-Original
In the Medical Device Directive (93/42/EEC) Article 4 paragraph 3 states:
At trade fairs, exhibitions, demonstrations, etc. Member States shall not
create any obstacles to the showing of devices which do not conform to this
Directive, provided that a visible sign clearly indicates that such a
Within the Medical Device Directive, 93/42/EEC, Annex VII it states as:
The manufacturer must prepare the technical documentation described in
Section 3 (TDF). The manufacturer or his authorized representative
established within the community must make this documentation, including the
-Original Message-
From: Dick Grobner
Sent: Wednesday, January 26, 2000 11:19 AM
To: 'Kevin Newland'
Subject: RE: EMC for medical devices
Europe is EN 60601-1-2
In 1996 - for the US - it was the FDA's draft document entitled Reviewers
Guidance for Premarket Notification Submissions
Another source may be the ESD Association. Two standards that may apply (as
I have never seen nor used them) may be EOS/ESD S5.201994 and ESD-DSP
10.1-1999 (draft)? There web site address is www.eosesd.org
Good Luck!
-Original Message-
From: Christian Martí [mailto:cma...@efinet.com]
This may help; We have successfully used the upside down tree within the
circle. Our NRTL has accepted this. They are available for $120 in pkg. of
1000 from EuroPort 508-526-1687.
-Original Message-
From: jim_bac...@mail.monarch.com [mailto:jim_bac...@mail.monarch.com]
Sent: Tuesday,
Mr Jenson - I agree with Bill's input. When I do in house validation I will
usually go to 10kV (or K) - 12kV for a test level. The standard we use is EN
60601-1-2 (medical electrical equipment) which states 3kV contact discharge
and 8kV air discharge. These values are way too conservative for our
I agree with Georges comments - We market numerous PC's, Laptop's and
Handheld computers, printers, etc. with our devices, as compliance engineer
for my company I look for the required marks such as UL,CSA,GS, CE etc.
Without these they don't get into our back door - thus not to our customer
Our supplier of UPS's test theirs to UL 1778 and certified to CSA Product
Class 5311 05 The medical grade version to the earlier UL544 and certified
to CSA Product Class 8741 01. They also test their products following UL
1449 which is intended as a guide when testing Transient Voltage Surge
Try Morton Thiokol - Alfa Products 1-800-343-0660, 1-617-777-1970 or VWR
Scientific Products 1-800-932-5000 or www.vwrsp.cpm
Both show it is available in small qty. in their catalogs
Good Luck
-Original Message-
From: Ehler, Kyle [mailto:kyle.eh...@lsil.com]
Sent: Wednesday, October 27,
Try Educated Design Development, Inc Raleigh NC(1-919-821-7088). They seem
to offer probes and test fingers for a little less than others, however they
still cost for what you get.
Good Luck!
-Original Message-
From: teck...@apcc.com [mailto:teck...@apcc.com]
Sent: Tuesday, November
I'm not sure of the requirements within UL1950, seeing we are a medical
device manufacturer, but a good source for screen and perforated metal is
McMaster Carr. Great source for hardware, in low volumes due to the high
cost, but they stock everything that is in their catalog and will be in your
FYI - The address I used about a month ago to register was:
http://www.dodssp.daps.mil it may still get you to the same place as the
other address. It then took about 3-4 days to get my account number/password
(whatever you want to call it). I then downloaded a copy of MIL-STD-461E
with no
-Original Message-
From: Dick Grobner
Sent: Tuesday, December 07, 1999 9:07 AM
To: 'Richard Lanzillotto'
Cc: 'emc-p...@majordomo.ieee.org'
Subject: RE: NRTL recommendation required
We are a medical device manufacturer, our product line consists of
non-invasive (key)pulmonary
We are a medical device manufacturer, our product line consists of
non-invasive (key)pulmonary diagnostic devices (we design and mfg.) and
operates off of PCs, laptops, or handheld computers (along with the other
necessary computing peripherals). Our devices are used in and out of the
Try the following site:
http://www.revisor.leg.state.mn.us/stats/115A/9651.html
Title: Listed Metals In Specified Products (Minnesota)
I didn't see anything about product labeling, but there is a process to
submit products for re-sale containing listed metals
Good Luck
-Original
Some other issues regarding safety - if your product is UL Listed or
Certified the conductive coating will need to be listed in the UL Plastics
Recognized Component Directory as well as the applicator of the conductive
coating and the supplier of the raw plastic material. I had the experience
of
I just purchased my new (1998) edition of Electric Current Abroad from the
US Dept of Commerce. It provides the following info by country or city
within:
type and frequency of current, number of phases, nominal voltage, number of
wires, frequency stability.
Cost is $10, pub number #PB98156466,
We have used the design you are proposing, removable modules buried inside
with a front door requiring a tool to open. We also include the general
service warning advising of hazardous voltages, etc. We have our medical
equipment UL Classified to UL 2601 (based on en60601-1)and had no problem
Good Day All - Being a new member (1 mth) on this forum, I want to say it
has been very informative. Some of the responses to questions asked are
interesting and enlightening to say the least. Some of you have vivid
imaginations - which is good! Now lets get to my question. Does anyone know
of
NFPA 99 (Health Care Facilities)Chapter 12 (Hospital Requirements) section
12-3 may give some insight. I do not know of a documented time interval
for such tests. I do know that some of the larger institutions specify 1
year (their policy)to perform a hy-pot, chassis leakage and ground ohms
John - we have already gone through the same issues as you are now
experiencing. What we have created was a document entitled Certificate of
Part Conformance that the fabricator sends with every shipment of plastic
parts. This is retained with our component receipt files which the UL
Inspector
Jeff - First, we are a medical device manufacturer. Awhile ago I went
through the same issue. In our case the only requirement I'm aware of for
medical equipment is to comply with the local and state authorities
requiring it, such as City of LA. suburbs, City of Chicago suburbs,
State of Oregon
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