Test lab in the Vancouver, BC/ Seattle, WA area

Hi all! I need to contact a EMC test lab in the Vancouver, BC or Seattle, WA area to do a field emissions test in Vancouver. Does anyone have any recommendations or references to a lab(s) in that area that have the capability to do this? Best regards, Terry J. Meck Senior Compliance/Test Engi

Re: UL approval IT equipment

I have also been down this road. We insist he supply manufacturer add the new version to their `recognized' file. If it doesn't affect the critical components transformer etc. it should be a minor update to their file. This way you have a recognized component that is traceable. If it isn't s

Re: Creepage dist. for more than 1000V ?

Rich: The reason Zenith was using the `hand wired' promo was the `cold' and overheated PC boards especially the tube sockets that unsoldered themselves or when the trace separated from the board. This takes me back to the creapage point. I remember cutting away base board material, actually

Re: Creepage dist. for more than 1000V ?

Rich: My resolution when we go that far back is +/- 5 years minimum :-) :-) I don't recall the Sony but do recall the Philco and that Zenith held out with the `hand wired' chassis. Terry >>> Rich Nute 08/02/01 12:38PM >>> > >I saw the first PCB show up in TVs, > > Would you care to

EN 61000-6-2:1999 Immunity DC power Port Table 3 Note 3

Group: Check my interpretation of EN 61000-6-2:1999 Immunity DC power Port Table 3 Note 3. This is with reference to an industrial application with a DC power input. Intended to be either supplied with an AC-DC power supply (`power adapter') or a distributed DC power from a distant AC-DC sour

Re: Creepage dist. for more than 1000V ?

You can't change the facts. So yes! In the Middle to late 50's. :-) >>> John Woodgate 08/01/01 03:16PM >>> , Terry Meck inimitably wrote: >I saw the first PCB show up in TVs, Would you care to put a date on that? -- Regards, John Woodgate

Re: Creepage dist. for more than 1000V ?

Rich: As always I appreciated your eloquent explanation of the concept of the creapage requirement. Unfortunately experience has taught me long before your email. My question was based on the fact the standard does not SEEM to address the larger creapage distance >1000 volts. My reasoning c

Re: Creepage dist. for more than 1000V ?

Hi Rich: I thought the lack of creapage spec. at >1000 V is that the dielectric strength of air would be less then the insulating material and surface accumulated contaminates. As a result the clearance distance would be the first to break down >1000 Volts. Am I wrong? Best regards, Terry

EN 55022 Conducted emissions DC

Hello all, Is there any new requirement on doing conducted emissions testing on distributed DC inside a building. RE: EN 55022:1998 The DC comes from an AC - DC supply (compliant). Would there be a cable length above which the conducted test must be done? I know some immunity tests are required

Consultant on getting an electronic Ballast recognized

Greetings, We are in need of safety guidance in the final design of and the specifying parts for an electronic ballast to be used in an ITE product. UL / EN 60950. I have guided many products through UL Listing using recognized parts and supplies. But I don't have the time for any oversights

ESD generators max Contact discharge level

Hello again: Does anyone recall if there were any standard called for or ESD generator that simulated as the case may be => +-10 kV CONTACT discharge. We have a customer that is specifying passing +-16 kV ESD without referring to AIR or Contact discharge. I am inclined to ask what they have

RE: A14 documentation / adding supporting standard(s) to be listed on the DoC

When updating a declaration, as in this case, what is the accepted practice create a new Declaration with the additional standards referenced or amending the previous one. I have always created a new one. Is there any argument for one over the other? Terry J. Meck Accu-Sort Systems Inc. >>

RE: EN61010-1 scope

Hi All: As long as your on this discussion I would like to know if this has been harmonized to the degree that IEC 950 has? I suspect the answer is no. Thanks! Terry >>> "O'Shaughnessy, Paul" 04/05/01 01:57PM >>> >>> The opening paragraph of the Scope of 1010-1 states it covers "electrical

Re: FLAME RATING OF STANDOFFS thanks!

Thank you all for your input and tolerating the rantings of an old man (my kids don't like when I say that). Rich: As usual you hit the nail on the head. We have a tendency to rationalize when the spirit of the standard is complied with but the hard proof of compliance is some what vague and t

RE: FLAME RATING OF STANDOFFS

gt; of engineering judgment might help resolve the situation. > > > My opinion only and not that of my employer. > > Good Luck. > Regards, > Kaz Gawrzyjal > kazimier_gawrzy...@dell.com

FLAME RATING OF STANDOFFS

Hi group! I need a sanity check on a `new approach' our safety agency has recently taken. We have an open frame power supply ( has all the certs through the CB report etc. for EN 60950 UL 1950 ) On of the conditions of acceptability is one mounting standoff shall be insulated. We have this s

EN 61000-6-2 Table 2.3 inticates signal ports => 30 M +/- 1kv?

If I read the EN 61000-6-2 correctly Table 2.3 indicates signal ports => 30 M must be tested +/- 1000 surge " unless normal functioning cannot be maintained because of the impact of the CDN on the EUT" This surprises and confuses me since I thought this would be imposed only on cables leavi

Complications of self-declaration without an independent test lab being involved

I would like to bounce something off the group. What are the complications of self-declaration without an independent test lab being involved? Very Simply said the way I understand it: 1. You need calibrated test equipment and facilities to do the tests required for your product. 1.1. Except

What about 480 VAC in Europe? RE: 2 Phases in North America

High all: I have been away form the forum, very busy, and a quick review notes you have been discussing Power distribution in USA. What about Europe? We have an application needing 480 VAC here in USA. How compatible will 480 VAC be in Europe? Someone told me 390 VAC is more real in Europe.

Is there any correlation between VW-1 wire and UL 94 V-1 ?

Hello: I have a question about the interpretation of UL 1950 / En 60950 sec 4.4.6 Fire enclosure construction. "The following constructions are considered to satisfy the requirement without test: openings in the bottom, each not larger than 40 mm sq under: @ components of

Re: Interpretation of EN 61000-3-2 Requirements

I have chosen to test and document the max power consumption or our products. We have the power analyzer and AC source to document this. However, if you have clear power consumption documentation form in house tests that you can provide showing =< 75 W this should satisfy the requirement as I s

Re: Testing as a system for harmonics?

" I read this as what it says. That to me excludes systems connected to the "public electricity supply system " and computers isolated from the public system unless it has a significant influence on that system somehow. (the quantity, thousands vs hundreds in use for example).

Re: BCIQ Taiwan

There are a number of labs The List of Approved EMC Designated Laboratories is at : http://www.bsmi.gov.tw/english/emc/e_emc_09.htm We use: Unisys PCTC Unisys Product ComplianceTest Center, 2476 Swedesford Rd. Malvern, PA 19355 USA Contact: Daniel J Mis, daniel@unisys.com Best regards, Ter

UL 1950 D3 deviations.

Hi again: In the course of a design review the option of invoking a D3 deviation came up. Since we usually ship to the EU I have never allowed D3 deviations. The question came to mind that I thought the D3 deviations expired this year. Is this a foggy memory from UL 1950 2nd edition 1993 Suppl

Surge generators reliability

Hello all: We are reviewing the probability of purchasing a surge generator to do in house compliance testing to the EN 61000-4-5 standard plus up to 6KV for some customer specific requirements. We have quotes from most of the major players and the equipment ranges from very basic cost effect

Susceptibility of USP ports to Industrial Environment test levels.

V RF conducted immunity tests. (EN 61000-4-4, -4-6 etc.) Do they fold under those levels? I always protect them when using them as support equipment. Am I over cautious? Regards, Terry Meck --- This message is from the IEEE EMC Society Product S

Correlation of UL 1950 and "DIN EN 60950 (VDE 0805)" also EN/IEC 60721-3-3 (-2)

Hello: Who knows what the correlation is between UL 1950 and "DIN EN 60950 (VDE 0805)" ? Can it be said that when CB deviations are considered both standards are covered? I am also looking for a description of: DIN EN/IEC 60721-3-3 class combination IE33 DIN EN/IEC 60721-3-2 class combination

21 CFR part 11 certified FDA

Hello again, Does anyone in this forum have any knowledge about United States FDA 21 CFR part 11 certification. What is the process? Are there independent labs that test or witness test software? I have been asked these questions and have no experience in this direction. This may not be the f

Availability of a NEC Class 2 or ITE LPS dual output Power supply

Hi: It seems our people are having trouble finding a dual output NEC Class 2 or ITE LPS rated +12 VDC .5 A +5 VDC .5A desk top Power supply. They keep coming to me with Class II insulation systems and some Data sheets say Class 2 insulation systems. Any suggestions on who has such a supply o

EN 61000-6-2:2001 vs EN 61000-6-2:1999

Hi again! Are there any major changes between EN 61000-6-2:2001 vs EN 61000-6-2:1999 which has a Date of cessation of 01.07.2004. I am in the process of ordering it but am too impatient to wait on the delivery :-) Best regards, Terry J. Meck Senior Compliance Engineer tjm...@accusort.com

NRTL acceptance

Hi: We have been using an old reliable but very busy Safety agency to review our products and apply their safety mark. >From time to time we are approached by their competitors, NRTLs, or European soon to be NRTL labs for our business. My question is in this `NRTL enlightened market are there s

Filter Foam Flame rating

Hello all: I n my checking a filter material spec our, `less then knowledgeable' contact, supplier referred to a Flammability rating of `Class 2 28H2'. Does anyone know what this spec may be. Obviously I am also `less then knowledgeable' on this subject. What I needed was a reference to the

RE: new legal issues re: Bar Code

tp://www.advanced-energy.com === -Original Message- From: Terry Meck [mailto:tjm...@accusort.com] Sent: Thursday, August 05, 1999 8:47 AM To: nsh...@nortelnetworks.com Cc: emc-p...@ieee.org Subject: Re: new legal issues re: Bar Code Naftali: I understand there is a laws

Re: new legal issues re: Bar Code

Naftali: I understand there is a lawsuit pending see news release below. BAR CODE VENDORS TEAM UP TO TAKE ON LEMELSON FOUNDATION New York Seven automatic identification companies have joined forces and filed suit in federal court to invalidate bar code patents held by late inventor Jerome Le