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Hi Group Does anyone have any recommendations for environmental test standards (vibration,, shock, temp, humidity etc) for sensitive test and measurement equipment that will be transported around a lot. We normally use MIL-PRF-28800F but my manager has decided that this isn’t severe enough

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Hi Experts, I need to test a unit for RF Immunity with dimensions 9"x6"x2". The anechoic chamber setup requires the EUT to be placed vertically on one of the longer edges, and the two 9"x6" surfaces tested facing the antenna in Vertical and Horizontal polarization. I would like to do some prel

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Query EMC-PSTC - This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. To post a message to the list, send your e-mail to All emc-pstc postings are archived and searchable on the web at http://www.ieeecommunities.org/emc-pstc Graphics (in well-used format

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All Can anyone tell me the difference between the following UL cable style numbers? AWM Cable: UL Style Number 1015 AWM Cable: UL Style Number 1430 And is there a definitive list of the UL styles available anywhere? Ian Gordon --- --- --- --- --- --- --- --- --- --- --- --- --- The co

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Does anyone know where to find the electrical safety standards for Yemen? Also, does meeting the EEC CE Marking Directives mean the standard CE compliance for electronics in an enclosure? John Cochran jcoch...@strongarm.com Strongarm Designs 425 Caredean Dri

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All Is there a legal requirement to provide a paper copy of product instructions rather than supply these on CD? Ian Gordon The contents of this email and any attachments are confidential and are provided solely for the use of the intended recipient(s). If you are not the inte

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From: Cecil A. Gittens Hi Folk, I have a computer that supports a Color Proofing System. Since any given computer have life cycle of 4 to 6 months. My question is there any way to avoid rectification testing of the computer with each upgrade. Regards Cecil --

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Greetings Colleagues, Please consider the following career opportunity with Dell Computer Corporation. Interested applicants are requested to respond per the contact method at the end of the posting. Regards, Kaz Gawrzyjal, P. Eng. *Career Opportunity * Fu

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Dear Fellow Members, We have a wireless radio microphone using a 100MHz radio frequency that was previously tested for US Market. Is there anyone one can advice if this product is applicable to European Market (planned for UK). What is the testing standard required? Thanks for your attention Di

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Hello Group, This question is in regards to a CE Marked assembly. The Completed end unit is CE Compliant and Marked. The end unit is disassembled and shipped in 2 shipping containers into the EU. What are the CE Marking requirements for the two shipping containers? Do we place a CE mark on both?

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Group, I am experiencing a EMI failure during testing and it has been isolated to the processor board in which the fundamental frequency is 66.6 MHz the 3rd harmonic that is our failure frequency is 199.8 MHz. We consulted the manufacturer of the board and they have come up with a "spectrum sprea

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Peter Merguerian Managing Director Product Testing Division I.T.L. (Product Testing) Ltd. Hacharoshet 26, POB 211 Or Yehuda 60251, Israel Tel: 972-3-5339022 Fax: 972-3-5339019 e-mail: pmerguer...@itl.co.il website: http://www.itl.co.il TO LEARN ABOUT AUSTRALIAN AND NEW ZEALAND REQUIREMENTS, C

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After reading section FCC section 15.247, I have the following question. Paragraph (b)(4)(ii) states: "(ii) Systems operating in the 5725-5850 MHz band that are used exclusively for fixed, point-to-point operations may employ transmitting antennas with directional gain greater than 6 dBi withou

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Being sent on behalf of a colleauge > > Forum: > > I have been asked to find out if approvals would have to be secured > from Anatel (Brazilian regulatory agency) for a pilot project on an > RFID device operating at 303.825 MHz. There is no current plan for > sale in the Brazil, a

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I have an HP 8753E with no manual. Does anyone know what type of memory card it uses? Dave Cuthbert

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Does anyone know of a similar forum to the emc-pstc which deals with climatic testing? Mike Hurley Mead Testing This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion list. Visit our web site at: http://www.ieee-pses.org/ To cancel your subscripti

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All Apparently there is an amendment to IEC 61000-4-6. http://domino.iec.ch/preview/info_iec61000-4-6{ed2.1}b.pdf. Does anyone have details of the changes incorporated into this new version? Ian Gordon BOC Edwards *** This email

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All Does anyone have details of draft standard IEC 61326-2-2 which specifically refers to EMC requirements for measuring and monitoring equipment used in low voltage distribution systems? I am particularly interested in differences between this standard and IEC 61326-2-1 which makes no reference to

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PROTEL.XLS Description: Binary data

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Thank you all for your valuable input. i apologize for late reply. i ordered a copy of EN60950:2000. (thanks, Chris, George and constantin) and now, it is getting much clearer. however, i have some questions and would appreciate any comment. as per EN60950:2000, 4.7.2.1: 1. Except where met

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Check on following sheet manufacturers. i am not sure about EU. Allen Extruders Inc. www.allenx.com Alltrista Corp. www.alltrista.com Budd Co. www.buddcompany.com DSM Engineering Plastic Products www.dsmepp.com Klockner Pentaplast of america inc. www.klockner.com O'sullivan corp. www.osul.co

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From: Cecil A. Gittens Hi All, What is the correct voltage labeling for the US, Canada and Mexico on product dataplate? Is it 100-120V or 100-127V? --- This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion

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Hello, I am looking for a website where I can purchase electronic copies of EN standards. Thank you in advance for your help. Jim Purdie --- This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion list. Visit our

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All- I'd like to know if there are any opinions about... It is my understanding the CISPR 22 A1:2000 will require the use of "ferrite clamps" during RE tests of table-top equipment. Has anyone started using these devices during their testing?

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Hello Group, I am researching building a CISPR 16 compliant voltage probe as shown in CISPR 16-1.12.2. The Insertion loss is mentioned. I have looked into how to measure it and everything I have found so far uses two power meters. I have one. Is there an alternative measurement technique that I cou

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Can anyone provide me with some information concerning Russian certifications. I am interested in GOST-R and Telecom. It is my understanding that the Telecom testing has to be performed on Russian soil. Is this so? The GOST-R is a combination of Safety (CB Scheme) and EMC. If we already have the C

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My apologies! In the last message I put a wrong address: maHordomo.. and of course the message got rejected - there just ain't no AI in my address book! Gabi: You will have read some more on the subject, so best of good luck to you! Bogdan. bogdan matoga wrote: > Gabi: > I believe that ther

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This e-mail message may contain privileged or confidential information. If you are not the intended recipient, you may not disclose, use, disseminate, distribute, copy or rely upon this message or attachment in any way. If you received this e-mail message in error, please return by forwarding th

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Good People of PSTC: Clause 1.4.5 of EN60950:2000 states "When testing equipment for d.c. only, the possible influence of polarity shall be taken into account." What test conditions can be infered from this sentence? R/S, Brian O'Connell Taiyo Yuden (USA), Inc.

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unsubscribe emc-pstc raymond.gar...@casa.eads.net end --- This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion list. Visit our web site at: http://www.ewh.ieee.org/soc/emcs/pstc/ To cancel

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--- This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion list. Visit our web site at: http://www.ewh.ieee.org/soc/emcs/pstc/ To cancel your subscription, send mail to: majord...@ieee.org with the single li

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I pulled the following tables from a document that regurgitates the ICNIRP limits. It clearly gives limb currents and, by default, I assume that the other limits must be for other parts of the body. Since these are contact currents - the current flows through the body - which is what I think y

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This is a multi-part message in MIME format. Sorry, I failed to sent the attached to EMC-PSTC Tim Haynes A1S77 Electromagnetic Engineering Specialist SELEX Sensors and Airborne Systems 300 Capability Green Luton LU1 3PG ( Tel : +44 (0)1582 886239 7 Fax

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Further to the interpretation of the "O" and "|" symbols: http://ask.metafilter.com/28272/the-circle-line Be sure to explore the links in the page. Note that most people have no idea what the "O" and "|" symbols mean or even that the symbols are from standards. Other related articles:

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All Am I correct in saying that the FCC do not require any RF immunity testing? Ian Gordon The contents of this email and any attachments are confidential and are provided solely for the use of the intended recipient(s). If you are not the intended recipient, you are hereby notified that any c

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Hi, I should have responded to this before which was also in Robert Macy's response. The sinx/x frequency response which he talked about is the result from a finite impluse signal repeated in x period of time. The square wave is a special case were the pluse width is 1/2 of the period. In the li

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info emc-pstc Jim Sketoe M/S S598-2482 314-925-4735 (Voice) 314-925-4887 (Fax) james.g.ske...@boeing.com (Bus) jske...@cs.com (Res) - This message is coming from the emc-pstc discussion list. To cancel your subscription, send mail to majord...@ieee.org with the single line: "unsubscribe em

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A question to the experts: My company is considering using a portable DC to AC inverter as an accessory for one of our products, the product will be CE compliant bench top portable class one piece of equipment. This Inverter will be intended to be connected to the DC terminals of a 12 Volt automo

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Hi, Section 4.4.5 of UL1950 appears to require a fire enclosure for essentially anything that contains a printed circuit board assembly The only exclusion appears to the that if the printed circuit board assemblies are 1) supplied by a power source that is limited to a maxmimum of 15V

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Hi, There are messages on this server about DVM not being acceptable for measuring leak currents. There is also comments about aliasing problem found in some DVMs. As a designer of digital voltmeters, the sampling rate of the analog to digital converter in DVMs was set to a multiple period of th

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Hello Brian: Concerning your questions about the requirement for UL Listing/CSA Certification for electrical equipment used in the USA and Canada, here's my two cent's worth (this is based on 20+ years of handling submittals to both agencies): For the USA, NFPA 70 (the National Electrical Code)

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Subject: clock-work Oct 26. 2000 Hi - Group, Please can some one steer me in the correct direction to find the regs./documents that define and or clarify the requirements with regards to very slow moving mechanical parts. The point in case is "clock like works". We have in some cases gears that if

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A consumer blood pressure monitor for home use with a telephone PSTN connection? Does it fall under MDD or the RTTE? Peter Merguerian Managing Director Product Testing Division I.T.L. (Product Testing) Ltd. Hacharoshet 26, POB 211 Or Yehuda 60251, Israel Tel: 972-3-5339022 Fax: 972-3-5339019 e

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Other than the EMC and Low Voltage Directives, does anyone know of any additional directive that would be applicable to a 1/16 DIN panel mounted temperature limit controller with manual reset ? Are there any applicable directives for performance ? Tony Anton (Tony) J. Nikolassy Factory Mutual

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Group: What happened to all the emc discussions? I got off the system for a while, and now its all product safety. Did the emc people start their own separate group? Lou G. --- This message is from the IEEE EMC Society Product Safety Technical Com

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Does anyone have any information on the distribution of Analogue / Digital lines throughout UK / Europe and the US. Thanks Tony Reynolds Principal Compliance Engineer Pitney Bowes Ltd The Pinnacles Harlow Essex CM19 5BD

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A little more on the grounding issue for Kelly. Rich mentioned the problem can occur (voltage potential between different grounds in a building) if the grounded service conductor(neutral) is grounded at more than one location. This would certainly cause the problem. That along with additional saf

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Can someone tell where I can get a copy of EN 50126? Thanks, Susan Beard - This message is coming from the emc-pstc discussion list. To cancel your subscription, send mail to majord...@ieee.org with the single line: "unsubscribe emc-pstc" (without the quotes). For help, send mail to ed.

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who - This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. Website: http://www.ieee-pses.org/ To post a message to the list, send your e-mail to emc-p...@ieee.org Instructions: http://li

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All Does anyone know where I can find the current issue status of DIN standards? Thanks Ian Gordon *** The information contained in this email and any attachments may be confidential and is provided solely for the use of the int

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Dear all, We have a customer request for EMC testing of a high definition switch (5 IN- 1 OUT) which can be connected to a standard DVI or HDMI device. This switch is intended to be employed in either, home theaters, offices or conference rooms. We understand that this type of technology will e

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It seems that this is a fairly new topic for many of us, but for my part, thanks to the group, I now have enough information to follow the correct path. Licensing is not required, but type approval is. It also seems that FCC or EU testing should get us a long way toward gaining India Type Approva

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Here is a Lithium-ion battery failure analysis: www.ewh.ieee.org/r6/scv/pses/ieee_scv_pses_nov051.pdf Richard Nute, CFEI Product Safety Consultant San Diego - This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list.Website: http://www.ieee-pses.org/

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I 'm afraid that my response to Neven's comments concerning EFT might have sounded like I didn't approve of his method. Far from it, I think his method is sound. I added my comments about component value selection as an aside. Keep up the good work. Dave Cuthbert Micron Technology This

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Type Test voltages are not the same as the unit's ratings. If the unit is based on a 1010-1 or 950 standard, the voltage range for Type Tests must be 10% less and 6% greater than the unit's ratings. The FUS report will not include the unit's Test Report; as an individual FUS report is intended to

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Hello all, I am searching for small package comb generator with amplitude calibrated output. Any resources you can give me are much appreciated. I will even entertain the idea of constructing one. best regards, -doug Douglas E. Powell Regulatory Compliance Engineer Advanced Energy Industr

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I read: Have 350mA LED(s) in series with 1000mF cap from +ve to -ve within full >bridge rectifier. So far so good. -ve of bridge to mains N. +ve of >bridge goes through a 4.7mF "motor start" rated capacitor to main L. > >Is this legal? >Will it run foul of CE regs. >How do

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All, I recall that the FCC changed 15.231 (normally used for garage door openers) to allow the transmission of digital data. Does anyone know what the FCC Docket was for this? Thanks, Mike Cantwell, PE, NCE 1232 Rio Grande Dr. Allen, TX 75013 Tel: (214) 547-1666 Cell: (469) 831-8701 AIM: Cantw

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unsubscribe This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion list. Visit our web site at: http://www.ewh.ieee.org/soc/emcs/pstc/ To cancel your subscription, send mail to: majord...@ieee.org with the single line: unsubscribe emc-pstc

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Ken, a very interesting system. It seems that leaving the amp outputting 1 GHz longer than necessary won't hurt. I believe the unterminated horn will present a reactive load and should not dissipate the chamber energy. If an oscilloscope was connected to another 1 GHz antenna (even a dipole) o

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unsubscribe Ken Charlebois Regulatory Approvals Specialist Alcatel Canada Inc. phone: 613-784-3204 fax: 613-599-3642

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unsubscribe emc-pstc This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion list. Visit our web site at: http://www.ewh.ieee.org/soc/emcs/pstc/ To cancel your subscription, send mail to: majord...@ieee.org with the single line: unsubscrib

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Does anyone know if there are any R&TTE Harmonized Standards for a 5 GHz RLAN product? Thanks, Jan Heffken -- CoreComm Webmail. http://home.core.com This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion list. Visit our web site at: http://www.ew

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This is a multi-part message in MIME format. Test to see if Microsoft Equation Writer will work thru this email server Dave Cuthbert Micron Technology Test to see if Microsoft Equation Writer will work thru this email server    Dave Cuthbert    Micron Technolo

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Can someone tell me if the emc pstc server is down. I have not seen any discussion from members for at least 2-3 days? Thanks, Gail Birdsall Hach Co.

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Greetings, I am looking for some older FCC documents. Do any of you have copies of these? Memorandum, Opinion and Order, Docket No. 85-301, 3 FCC Rcd 6491 (1988). Memorandum, Opinion, and Order, Docket No. 87-107, 3 FCC Rcd 4222 (1988). Thanks, Mat Mat Aschenberg Agency Engineer EchoS

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Good People What is the basis of this formula for working voltage ? sqroot(a^2 + b^2) thanks, Brian

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I’m trying to work out a solution to a problem with a medical device. I can limit the power to < 15w for components that are mounted on the topside of a PCB, and underneath an elastic part that is rated 94HB, except for a few locations that don’t have the required thickness to meet the UL flame rat

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Ryan Jazz JayasingheCompliance Engineer x1198 Canoga PerkinsDirect:(818) 678-3898 20600 Prairie Street Company:(818) 718-6300 Chatsworth, CA 91311-6008 e-mail: rjayasin...@canoga.com www.canoga.com

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If a product is shipped from a U.S. manufacturer for use on a U.S. military base in Germany, do the German/CE regulatory requirements apply...EMC, Safety, RoHS, etc? The product is a commercial non-military product. Thanks. Jim Hulbert Pitney Bowes - ---

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Dear members, I have a question on the use of a 3 meter fully anechoic chamber. Can this 3 meter chamber be used to qualify a product for FCC or CISPR class A, since the required test distance is 10 meter? Please provide any reference to paragraphs in the standards. Your responses are appreci

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Hi John et al, Well the switch-on/switch off effects are wideband, but are time domain limited (transients), and do not have a great impact on network transmission capacities. My point is that the lack of available license free frequencies have lead to excessive use of this small band (240

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Can anybody tell me what the "id" and "R" stand for in table 7 of EN61131-2:1995? The table is to specify rated values and operating ranges of incoming power supply, the table uses designations of "id" and "R" but does not give any explanation of what the heck they stand for. Maybe I'm just bec

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Ok, you guys got me. I didn't think it's take this long. I confess. The gig's up. I'm the one ... About 15 years ago in another company far away, I brought a product into a reputable lab to be tested. It "passed", if I remember correctly, by -0.5 dB. The confidence "acid test" back then was (

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Has anyone out there tested bfore to EN61131-2 : 1995? I am interested the validity of the barometric pressure conditions for testing foud in table 30. Here in Waterloo Ontario we typically encounter barometric pressure of about 102 - 103 kPa, the standard states that the test conditions shall in

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Well I guess I sent out that pressure question too soon, I seemed to have answered my own question. There is also a pressure rating in the table in TORR / mmHg. If I convert those values it looks like they just happened to forget about putting a dot where the decimal place should reside. The num

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Does anyone know what Brazil requires for compliance. Is the mark enforced and do they accept data from UL

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Can anyone give me information on UL A10 caps. We are looking to use them in the value of 10 uf in place of x caps.

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Please take a few minutes to help me out! I am putting together the following information for a personal research project. All responses will be considered anonymous and will not be revealed to any other source. I would like to get 100-200 responses from different sources where possible. In or

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Gents, >From what I have been told (people from the Radio industries) ETSI ETS 300 385 is accepted as the guideline to comply with the EMC Directive for Radiocommunication products. Is ETS 300 386 accepted as the test plan for Telecommunication products (Not a TTE) against the EMC directive Re

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To the group, My last message got some how garbeled, so here it comes again: Dear Jeff, The specification is certainly an improvement in EMC. For screening purposes a metal cabinet need not be earthed. For Common mode emission reduction, a metal cabinet is often used as earth. These are 2 fun

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unsubscribe Regards, Loredana Cristaldi

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Hello All, We manufacture a modem product which has been tested and found to comply with FCC part 68 (& CS03). At a customer site, (a CO in Pittsburg) an installer was setting up our modems on a phone system and the modem would not communicate on the lines. It was determined ( by the site te

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Does anyone know the Regulatory reguirements, (ITE equipment) for Costa Rica? - This message is coming from the emc-pstc discussion list. To cancel your subscription, send mail to majord...@ieee.org with the single line: "unsubscribe emc-pstc" (without the quotes). For help, send mai

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Scott, Thank you very much. Barry -- From: "Lacey,Scott" , Date: Thu, 4 Nov 1999 14:52:57 -0500 Barry, In a switchmode supply, the primary side dc voltage = 1.414 times the rms value of the ac input. This is then switched (at 100kHz or so) into the prima

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Chris We have an EMCO no.3146 (log periodic) antenna mounted onto a tripod mfged by RIES (Model - Photoplane Tilt Head) We originally rented the tripod from Telogy Hope this helps. - This message is coming from the emc-pstc discussion list. To cancel your subscription, send mail to majord

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Jerry Moorman wrote: >Hello All, >I have come across two document numbers I am not familiar with. The >doc. are ISO/IEC Guide 22 and EN 45014. Anyone know what they are >and/or where I may obtain a copy of them? >Jerry Moorman >Crown Photo Systems, Inc. >Marysville, WA. USA >jayhe...@premier

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Colorado Product Safety Technical Committee (CPSTC) November meeting Notice The Colorado Product Safety Technical Committee (CPSTC) will be holding the November meeting at the Exabyte facilities in Boulder, CO. Richard Georgerian and Kent Shown, both Product Compliance Engineers

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Thanks to all who replied to my inquiry on temperature sensitive lacquer/epoxy. I was able to find what I was looking for from 1 of your leads! Please contact me if you have any questions or comments! Thank you! Robert L. Terry robert.te...@nematron.com 313-994-0591 Ext.235 Fax: 313-994-8408

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From: Bill Bryans ' IBM Canada Ltd., Program Manager, National Requirements ' Subject: ICES-003 Just a slight correction to the referenced 'Grace' period. All 'new' equipment tested and introduced to commerce after April 1, 1995 require a Product Label. The 'Grace' period to April 1, 19

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regarding power line harmonics and switched vs linear--- The majority of linear power supplies are TR-packs followed by series regulators. TR is Transformer-Rectifier, which is a line-frequency transformer driving a capacitor-input filter. If the transformer were ideal then the primary current w

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From: Bill Bryans ' IBM Canada Ltd., Program Manager, National Requirements ' Subject: Is Product Certification a Legal Requirement? Gene, I have to agree with Ron. In Canada, you legally can not market an electrical product without Provincial approvals. This can be achieved in 2 ways: The app

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[.

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Hello All, We are doing something out of the usual for us and have developed a product that is a card designed to go in a PC. For our normal products, with regards to the EMC directive, we do industrial immunity and Class B for emissions. We would like to do the same for the PC card. The problem i

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Hello all, I'm interested in the SEMI S2-93 (requirements for safety, EMC, environment and other hazards for semiconductor manufacturing equipment). Can someone give some background on this? Is there some source of information on the Net? Is there a lab (US or Europe) which gives full service

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Could anyone please let me know when will the Generic Immunity Standard--Part 1: Residential, Commercial and Light Industry, prEN50082-1:1994 supersede EN50082-1:1992. Thank you very much in advance. Marco Tran Product Approvals Engineer

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