colposcope

2008-11-13 Thread Paolo Peruzzi
Dear all, does anybody know which safety standard should apply to a colposcope? thanks -- Paolo Peruzzi Regulatory Medical RD El.En. S.p.A. Via Baldanzese, 17 50041 Calenzano (FI) Italy Tel. +39 055 8826807 FAX +39 055 8832884 standa...@elen.it mailto:standa...@elen.it

FW: Problem with ethernet testing

2008-11-13 Thread Gert Gremmen
I want to share with you a potential pitfall in conducted emission testing of IT equipment using an ISN (or alternative) on an Ethernet connection. The pitfall will have to lead to adjustment of the test requirements for IT equipment in this set-up, and/or to a change in requirements for

Re: colposcope

2008-11-13 Thread John Woodgate
In message 491c02c6.6060...@elen.it, dated Thu, 13 Nov 2008, Paolo Peruzzi standa...@elen.it writes: does anybody know which safety standard should apply to a colposcope? It's a medical device that contacts the patient. So IEC/EN 60601 applies. If you want to know which Section, look on the

GIFS on the EMC-PSTC list

2008-11-13 Thread Gert Gremmen
A bit off topic, but list related: I want to plea for allowing small attachments and HTML messages to this list. Most of the time my contributions are refused because my company logo is recognized as a forbidden attachment. Well, it is 2009 , not 1999 anymore, and small attachments of

Re: GIFS on the EMC-PSTC list

2008-11-13 Thread John Woodgate
In message FCA549BE3ECF9D4CB8CB8576837EA489053330@ZEUS.cetest.local, dated Thu, 13 Nov 2008, Gert Gremmen g.grem...@cetest.nl writes: I want to plea for allowing small attachments and HTML messages to this list. I don't understand why you want to do that. I think that emails are like

RE: colposcope

2008-11-13 Thread Silvia Diaz Monnier
Dear Paolo, apparently there is no particular standard for a colposcope, so the general standard is use for safety, EN 60601-1 or IEC 60601-1. Best regards, __ Eng. Silvia Díaz Monnier NATIONAL INSTITUTE OF INDUSTRIAL TECHNOLOGY R D Center of

RE: GIFS on the EMC-PSTC list

2008-11-13 Thread Gert Gremmen
Well John, Indeed, it's not 1999 anymore. Not seeing the need does not imply others don't. It would facilitate the use of tables, small pictures (if compressed under 10k), colors (to emphasize). EMC-PSTC notes are not handwritten, but type-writer written. If they were really hand written we

Re: GIFS on the EMC-PSTC list

2008-11-13 Thread John Woodgate
In message FCA549BE3ECF9D4CB8CB8576837EA489053331@ZEUS.cetest.local, dated Thu, 13 Nov 2008, Gert Gremmen g.grem...@cetest.nl writes: Well John, Indeed, it's not 1999 anymore. Not seeing the need does not imply others don't. I expressed my opinion. I did not say that everyone has to agree

Re: Deviation of Performance Criteria - other question.

2008-11-13 Thread Piotr Galka
Ron, I suppose the questions from my post you understood as my assertions. I've just asked based on what I should assume it is no 'apparatus'. My product is in my opinion finished (no more assembly by producer or user is planned) and will be marketed commercially. I have in mind the open

Re: Deviation of Performance Criteria - other question.

2008-11-13 Thread John Woodgate
In message 7861714BC9794A2C8FE39FAD9F42BC3C@MmPc21, dated Thu, 13 Nov 2008, Piotr Galka piotr.ga...@micromade.pl writes: I have in mind the open (without case) boards question just from the beginning of my interest in EMC (2 years before we joined EU in 2004) because since 1992 we have in

Re: Deviation of Performance Criteria - other question.

2008-11-13 Thread Piotr Galka
- Original Message - From: John Woodgate j...@jmwa.demon.co.uk Then you use the procedure given in Annex III of the 2004/108/EC Directive to get a formal acceptance of your solution by a Notified Body. You can then, under Article 7, apply the CE mark. And probably it is the only

Re: Deviation of Performance Criteria - other question.

2008-11-13 Thread John Woodgate
In message B3AA818630C942DBA06B45F1E778B315@MmPc21, dated Thu, 13 Nov 2008, Piotr Galka piotr.ga...@micromade.pl writes: Reading this Annex it looks that I first have to have the device and then can ask if it is OK. Well, what I would do is to determine how far away from the board the

Current limit for Dielectric Test

2008-11-13 Thread Robert F. Keller
Hello Group, I have a question regarding the Electric Strength test in 60950-1 section 5.2. It says in that section that you have a failure or the insulation broke down when the current which flows as a result of the application of the test voltage rapidly increases in an uncontrolled manner.

RE: Current limit for Dielectric Test

2008-11-13 Thread Ted Eckert
Hello Rob, There is no current limit specified, and there is no way a limit could be specified. Take a look at IEC 60950-1 section 5.1.7. You will see that there are types of equipment where the touch current is allowed to exceed 3.5 mA. This is typically equipment that is field wired or at

RE: Current limit for Dielectric Test

2008-11-13 Thread Brian O'Connell
No specific limit for the di-electric withstand test. There is no mention of the term short in the di-electric withstand type test for I.T. According to CSA engineering guidelines and some UL (Section General) files, each individual model should have a pre-determined limit. From:

Re: Current limit for Dielectric Test

2008-11-13 Thread John Woodgate
In message 491c5758.8090...@cclab.com, dated Thu, 13 Nov 2008, Robert F. Keller r...@cclab.com writes: I have a question regarding the Electric Strength test in 60950-1 section 5.2.  It says in that section that you have a failure or the insulation broke down when the current which flows as

Test setup for equipment operated intermittently

2008-11-13 Thread pat.lawler
Hi, I need to run EMC tests on a piece of high-power medical equipment that is used on an intermittent basis. The run time is about 15 seconds to 2 minutes on-time, followed by about 10 minutes off-time. This is comparable to typical system usage. This causes problems with EMC testing, since

Re: Test setup for equipment operated intermittently

2008-11-13 Thread John Woodgate
In message off6ed2562.359b1b29-on88257500.005e3ee6-88257500.00614...@slpower.com, dated Thu, 13 Nov 2008, pat.law...@slpower.com writes: I need to run EMC tests on a piece of high-power medical equipment that is used on an intermittent basis.  The run time is about 15 seconds to 2 minutes

RE: Test setup for equipment operated intermittently

2008-11-13 Thread Price, Edward
From: emc-p...@ieee.org [mailto:emc-p...@ieee.org] On Behalf Of pat.law...@slpower.com Sent: Thursday, November 13, 2008 9:43 AM To: emc-p...@ieee.org Subject: Test setup for equipment operated intermittently

RE: Current limit for Dielectric Test

2008-11-13 Thread John Allen
Hi Folks From experience, I agree with what Ted says - especially w.r.t. his last paragraph about setting a LOWER limit. Failure to exceed the lower limit could also indicate a faulty EMI filter with capacitors of lower values than specification - thus meaning you may have an emissions issue

Re: Test setup for equipment operated intermittently

2008-11-13 Thread pat.lawler
Maybe I should have said: ... since you normally need more than 2 minutes to complete an EMC test. I was thinking about radiated emissions testing, where the spectrum is manually scanned, or line surge testing, requiring dozens of pulses applied at low repetition rates. RF immunity testing

Re: Test setup for equipment operated intermittently

2008-11-13 Thread John Woodgate
In message of8478fd46.7320072f-on88257500.00746b64-88257500.00766...@slpower.com, dated Thu, 13 Nov 2008, pat.law...@slpower.com writes: Maybe I should have said: ... since you normally need more than 2 minutes to complete an EMC test. I was thinking about radiated emissions testing, where