Re: [PSES] What percentage of products pass first time?

2021-05-25 Thread McBurney, Ian
Mike Sherman’s view exactly mirrors my experience in the 25 years I’ve been doing EMC testing! Regards, Ian McBurney Lead Compliance Engineer Allen & Heath Ltd. Kernick Industrial estate, Penryn, Cornwall. TR10 9LU. UK. Tel: 01326 372070 Email: ian.mcbur...@allen-heath.com From: MIKE SHERMAN S

[PSES] RF absorber for EMC room

2021-03-16 Thread McBurney, Ian
A question for the EMC experts. Is there an alternative rf absorber to ferrite tiles that works between 30MHz to 1GHz? I am thinking of the pyramidal type absorber. This is for research for partially lining a pre compliance radiated rf emission EMC room. Many thanks in advance. Ian McBurney Le

Re: [PSES] Wifi user settings

2020-09-25 Thread McBurney, Ian
nt. Many thanks in advance. Ian McBurney Lead Compliance Engineer Allen & Heath Ltd. Kernick Industrial estate, Penryn, Cornwall. TR10 9LU. UK. Tel: 01326 372070 Email: ian.mcbur...@allen-heath.com From: Robert Bonsen Sent: 24 September 2020 21:16 To: McBurney, Ian Subject: Re: [PSES] Wifi

[PSES] Wifi user settings

2020-09-24 Thread McBurney, Ian
Dear colleagues. I understand that this may not be the correct forum to discuss this issue but I'm hoping someone may be able to answer my question or refer me to someone who can. We have a product with a built in Wi-Fi/Bluetooth module. For the USA, it is not permitted for the user to be able

[PSES] unsubscribe

2020-08-28 Thread McBurney, Ian
Ian McBurney Lead Compliance Engineer Allen & Heath Ltd. Kernick Industrial estate, Penryn, Cornwall. TR10 9LU. UK. Tel: 01326 372070 Email: ian.mcbur...@allen-heath.com Allen & Heath Ltd is a registered business in England and Wales, Company number: 4163451. Any views expressed in this email a

Re: [PSES] UL 60065 7th & 8th Edition

2020-05-07 Thread McBurney, Ian
Hello Ted. Many thanks for your reply. I hope you are safe during the current pandemic. Kind regards; Ian From: Ted Eckert Sent: 07 May 2020 15:07 To: McBurney, Ian ; EMC-PSTC@LISTSERV.IEEE.ORG Subject: RE: UL 60065 7th & 8th Edition Hello Ian, New products will not be eligible t

[PSES] UL 60065 7th & 8th Edition

2020-05-07 Thread McBurney, Ian
Dear Colleagues. Does anyone know if products approved to the above standard will still be able to be NRTL marked after 20th December 2020? This is the date the EN version can no longer be used to declare conformity with the EU LVD. I would like to know if the same event will happen in the USA,

Re: [PSES] IEC 61010-1:2010 hazardous DC voltage

2020-02-26 Thread McBurney, Ian
Dear colleagues. I would be interested in finding out how the hipot values (electric strength) were derived as they have been increased in 62368-1. Regards; Ian McBurney Lead Compliance Engineer Allen & Heath Ltd. Kernick Industrial estate, Penryn, Cornwall. TR10 9LU. UK. Tel: 01326 372070 Emai

Re: [PSES] 62368-1 fire enclosure

2020-02-05 Thread McBurney, Ian
urney Lead Compliance Engineer Allen & Heath Ltd. Kernick Industrial estate, Penryn, Cornwall. TR10 9LU. UK. Tel: 01326 372070 Email: ian.mcbur...@allen-heath.com From: Charlie Blackham Sent: 04 February 2020 19:43 To: McBurney, Ian ; EMC-PSTC@LISTSERV.IEEE.ORG Subject: RE: 62368-1 fire enclosure

[PSES] 62368-1 fire enclosure

2020-02-04 Thread McBurney, Ian
Dear colleagues. I have a question regarding the flammability rating of components located within a fire enclosure. We have been told by a safety approval engineer that under clause 6.4.6 of 62368-1:2014 that all combustible material within a fire enclosure and not part of a PS2 or PS3 circuit

[PSES] Conducted rf emissions measurements from network ports

2019-05-29 Thread McBurney, Ian
Dear Colleagues. We have a product that can be powered from a PoE source as well as 12V DC. For the EU EMC regulations, we measure the conducted rf emissions from the ethernet port when supplied with PoE power. EN 55032 Table A.11 Is the same test required when declaring compliance with the FCC r

Re: [PSES] UK Gov Using The UKCA Mark

2019-02-05 Thread McBurney, Ian
Hello Michael. Am I right in believing that you can now affix the FCC logo to products when using the sDoc scheme? Kind regards; Ian McBurney Lead Compliance Engineer Allen & Heath Ltd. Kernick Industrial estate, Penryn, Cornwall. TR10 9LU. UK. Tel: 01326 372070 Email: ian.mcbur...@allen-heath.

Re: [PSES] Spare parts requiring an EU declaration of Conformity.

2019-01-18 Thread McBurney, Ian
ineer Allen & Heath Ltd. Kernick Industrial estate, Penryn, Cornwall. TR10 9LU. UK. Tel: 01326 372070 Email: ian.mcbur...@allen-heath.com From: John Woodgate Sent: 18 January 2019 15:39 To: McBurney, Ian ; EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] Spare parts requiring an EU declaration of C

[PSES] Spare parts requiring an EU declaration of Conformity.

2019-01-18 Thread McBurney, Ian
Dear Colleagues. Can anyone point me to the relevant section in the EU directives regarding the shipping of spares into the EU? We are shipping a spare PSU PCB assembly into Turkey and the Turkish customs want a Declaration of Conformity document. I know Turkey is not in the EU but they are dem

[PSES] Brexit requirements for UK manufacturers.

2019-01-16 Thread McBurney, Ian
Dear Colleagues. I have been waiting for some firm guidelines as to what will be the requirements for UK manufacturers after 30th March 2019 but so far nothing has been published by the relevant authorities. >From my understanding, if the UK leaves the EU without an agreement, the UK >will be o

Re: [PSES] EN 55032

2018-11-27 Thread McBurney, Ian
2018 09:28 To: McBurney, Ian ; EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] EN 55032 Hi All, The document below has been published very recently and shows how and why... https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=COM:2018:764:FIN In simple language, the EC court has decided that HS ar

Re: [PSES] EN 55032

2018-11-27 Thread McBurney, Ian
solved any time soon. Best wishes John Woodgate OOO-Own Opinions Only J M Woodgate and Associates www.woodjohn.uk<http://www.woodjohn.uk> Rayleigh, Essex UK On 2018-11-26 09:45, McBurney, Ian wrote: Dear colleagues. Does anyone know if the 2015 edition of the above standard is now listed in

[PSES] EN 55032

2018-11-26 Thread McBurney, Ian
Dear colleagues. Does anyone know if the 2015 edition of the above standard is now listed in the OJEU for the EMC directive? I am struggling to find it on the website. Many thanks in advance. Regards; Ian McBurney Lead Compliance Engineer Allen & Heath Ltd. Kernick Industrial estate, Penryn, C

Re: [PSES] NRTL approval

2018-11-14 Thread McBurney, Ian
that we meet the requirements of the relevant directives. Thank you all; Ian McBurney Lead Compliance Engineer. Allen & Heath Ltd. Kernick Industrial Estate, Penryn, Cornwall. TR10 9LU. UK T: 01326 372070 E: ian.mcbur...@allen-heath.com From: McBurney, Ian Sent: 13 November 2018 09:2

[PSES] NRTL approval

2018-11-13 Thread McBurney, Ian
Dear colleagues. We are in the process of designing a USB bus powered audio product around 2.5W for professional/consumer use. The product enclosure will be UL94 5VA flammability rated plastic. Will this product have to be NRTL approved for sale in the USA/Canada? The EU LVD doesn't apply because

[PSES] IEC62368-2

2018-10-05 Thread McBurney, Ian
Dear colleagues. With the introduction of edition 3 of IEC 62368-1, does anyone know when the corresponding version of IEC 62368-2 will be available? Many thanks in advance; Ian McBurney Lead Compliance Engineer. Allen & Heath Ltd. Kernick Industrial Estate, Penryn, Cornwall. TR10 9LU. UK T: 0

Re: [PSES] RF immunity - audio noise in headsets

2018-09-05 Thread McBurney, Ian
ut can be effectively attenuated with filtering. Regards; Ian McBurney Lead Compliance Engineer. Allen & Heath Ltd. From: James Pawson (U3C) Sent: 05 September 2018 09:17 To: McBurney, Ian ; EMC-PSTC@LISTSERV.IEEE.ORG Subject: RE: [PSES] RF immunity - audio noise in headsets Hi Ian, That&

Re: [PSES] RF immunity - audio noise in headsets

2018-09-05 Thread McBurney, Ian
Hello James. We produce digital products with multiple analogue audio inputs and outputs and have to include common mode filtering on every port to reduce the susceptibility to radiated rf but also to attenuate the digital rf emissions from within the product. Ian McBurney Lead Compliance Engi

Re: [PSES] Mains Conducted rf emissions measurements

2018-04-27 Thread McBurney, Ian
on, until you get the source fixed, would be to use UPS on battery. with best regards, Ari Honkala From: McBurney, Ian [mailto:ian.mcbur...@allen-heath.com] Sent: torstai 26. huhtikuuta 2018 13:33 To: EMC-PSTC@LISTSERV.IEEE.ORG<mailto:EMC-PSTC@LISTSERV.IEEE.ORG> Subject: [PSES] Mai

Re: [PSES] Mains Conducted rf emissions measurements

2018-04-26 Thread McBurney, Ian
9LU. UK T: 01326 372070 E: ian.mcbur...@allen-heath.com From: John Allen [mailto:john_e_al...@blueyonder.co.uk] Sent: 26 April 2018 13:43 To: McBurney, Ian ; EMC-PSTC@LISTSERV.IEEE.ORG Subject: RE: [PSES] Mains Conducted rf emissions measurements Have you tried to isolate the original source of

Re: [PSES] Mains Conducted rf emissions measurements

2018-04-26 Thread McBurney, Ian
4:12 To: McBurney, Ian ; EMC-PSTC@LISTSERV.IEEE.ORG Subject: RE: Mains Conducted rf emissions measurements Ian, Does your screen room have massive line filters on the AC mains coming in? This would be a requirement I believe. Brian From: McBurney, Ian [mailto:ian.mcbur...@allen-heath.com]

Re: [PSES] Mains Conducted rf emissions measurements

2018-04-26 Thread McBurney, Ian
trum analyzer. Check the AC Mains powering your analyzer. It might be the source of your problem. Hope you figure it out. The Other Brian From: McBurney, Ian [mailto:ian.mcbur...@allen-heath.com] Sent: Thursday, April 26, 2018 6:33 AM To: EMC-PSTC@LISTSERV.IEEE.ORG<mailto:EMC-PSTC@LISTSERV.I

Re: [PSES] Mains Conducted rf emissions measurements

2018-04-26 Thread McBurney, Ian
Hello John. I'm getting the LISN checked at a UKAS EMC facility next week. I think it's excessive noise on the ac mains that's not being attenuated sufficiently by the LISN. Regards; Ian From: John Woodgate [mailto:j...@woodjohn.uk] Sent: 26 April 2018 13:04 To: McBurney,

[PSES] Mains Conducted rf emissions measurements

2018-04-26 Thread McBurney, Ian
Dear Colleagues. I am setting up a mains conducted rf emissions measuring system and am experiencing excessive mains noise when connecting the LISN to the 240V wall socket. The noise affects my measurements between 150kHz to 400KHz. Beyond that and up to 30MHz I am satisfied. Is there a way of

Re: [PSES] EAC Mark in Russia

2017-11-30 Thread McBurney, Ian
Hello Brian. My company is going through EAC certification at the moment but for medium volume manufacturing. >From my understanding there is 2 types of compliance. TR CU Certificate of conformity and the TR CU Declaration of conformity. Essentially, the Certificate of conformity is meant for hig

Re: [PSES] EN 62368-1:2014 DoW

2017-09-11 Thread McBurney, Ian
m From: Boštjan Glavič [mailto:bostjan.gla...@siq.si] Sent: 11 September 2017 09:58 To: McBurney, Ian ; EMC-PSTC@LISTSERV.IEEE.ORG Subject: RE: EN 62368-1:2014 DoW Hello Ian, EN 60065:2014 has a DoW 17.11.2017. This is in two months. For this standard CENELEC and OJ show the same DoW. Best regards,

Re: [PSES] EN 62368-1:2014 DoW

2017-09-11 Thread McBurney, Ian
Hello Bostjan. Do you know if EN 60065:2014 has the same withdrawal date as EN 60950? Regards; Ian McBurney Design & Compliance Engineer. Allen & Heath Ltd. Kernick Industrial Estate, Penryn, Cornwall. TR10 9LU. UK T: 01326 372070 E: ian.mcbur...@allen-heath.com From: Boštjan Glavič [mailto:b

Re: [PSES] Why higher value for DC in SELV

2017-09-06 Thread McBurney, Ian
Hello Rich I endorse Johns comments. Regards; Ian McBurney Design & Compliance Engineer. Allen & Heath Ltd. Kernick Industrial Estate, Penryn, Cornwall. TR10 9LU. UK T: 01326 372070 E: ian.mcbur...@allen-heath.com From: John Allen [mailto:jral...@productsafetyinc.com] Sent: 03 September 2017

[PSES] EN 55032 conducted emissions for network ports.

2017-06-21 Thread McBurney, Ian
Dear colleagues. In EN 55032:2015 the definition of a wired network port (3.1.32) is for the connection of voice, data and signalling transfers intended to interconnect widely dispersed systems by direct connection to a single user or multi-user communication network e.g. CATV, PSTN, ISDN, xDSL

[PSES] FCC labelling

2017-03-16 Thread McBurney, Ian
Dear colleagues. Many thanks to all those who replied to my query, in particular Bill Stumpf and Michael Derby. Always appreciated! Regards; Ian McBurney Design & Compliance Engineer. Allen & Heath Ltd. Kernick Industrial Estate, Penryn, Cornwall. TR10 9LU. UK T: 01326 372070 E: ian.mcbur...@a

[PSES] FCC labelling

2017-03-15 Thread McBurney, Ian
Dear colleagues. I am looking into labelling a product as Class A for FCC Part 15 emission limits. The product will use the verification route to compliance. I would appreciate it if someone could let me know what labelling will be required on the product and the text required in the user docum

Re: [PSES] EN 62368-3:2017-02-15 power limits

2017-03-09 Thread McBurney, Ian
Does anyone know where I can obtain or purchase a copy of this draft standard? A source in the UK would be preferable. Many thanks; Ian McBurney Design & Compliance Engineer. Allen & Heath Ltd. Kernick Industrial Estate, Penryn, Cornwall. TR10 9LU. UK T: 01326 372070 E: ian.mcbur...@allen-heath.

[PSES] Wi-Fi (WLAN) router approvals with psu

2017-02-01 Thread McBurney, Ian
Dear colleagues. We are looking at purchasing a WLAN (Wi-Fi) router from China and include our own wall wart power supply with it. The router comes with all the necessary approvals and safety reports tested with its own wall wart psu. However; are these documents still valid it we swap the PSU

[PSES] EN60950-1 dates and amendments

2016-12-08 Thread McBurney, Ian
Dear colleagues. With the change to the European Union LVD and the requirements regarding declaring compliance, what version of EN 60950-1and its amendments are acceptable and is there an expiry date? Does the UL version have similar expiry dates? Many thanks in advance. Ian McBurney Design &

[PSES] Canadian Standards

2016-11-22 Thread McBurney, Ian
Dear colleagues. Is there an expiry date for declaring compliance with CAN/CSA-C22.2 No. 60065:16 2nd edition when manufacturers will then be required to use CAN/CSA-C22.2 No. 62368-1-14? Many thanks in advance. Ian McBurney Design & Compliance Engineer. Allen & Heath Ltd. Kernick Industrial

Re: [PSES] EU EMC Harmonized Standards (2014/30/EU) for Audio Power Amplifiers

2016-11-14 Thread McBurney, Ian
Hasn’t 55103-1:2009 been withdrawn and replaced by 55032:2012. I believe professional audio products shipped after 2 march 2017 must use 55032 to declare compliance with the EU EMC directive. Ian McBurney Design & Compliance Engineer. Allen & Heath Ltd. Kernick Industrial Estate, Penryn, Cornwal

Re: [PSES] IEC 62368-1

2016-10-18 Thread McBurney, Ian
ryn, Cornwall. TR10 9LU. UK T: 01326 372070 E: ian.mcbur...@allen-heath.com From: John Woodgate [mailto:jmw1...@btinternet.com] Sent: 18 October 2016 12:31 To: McBurney, Ian ; EMC-PSTC@LISTSERV.IEEE.ORG Subject: RE: [PSES] IEC 62368-1 There is such a document but it is an internal IEC TC108 HBSDT

[PSES] IEC 62368-1

2016-10-18 Thread McBurney, Ian
Dear Colleagues. I have been informed that China, Japan & Australia have not adopted IEC 62368-1 yet. Does anyone know of a document or website where I can check to see which countries have adopted the above standard? I am having to test products to the above standard but with the national devi

Re: [PSES] Power Supply Safety approval

2016-06-16 Thread McBurney, Ian
ceptable.." Applicable to component p/s that is built into your box. N/A for wal-wart without further test unless output rated LPS and/or Class 2. 6. The Klingon national version (K60065-0.1) disallows other than functional insulation. Brian From: McBurney, Ian [mailto:ian.mcbu

[PSES] Power Supply Safety approval

2016-06-15 Thread McBurney, Ian
Dear colleagues. I have submitted a product for CB certification to IEC/EN/UL 60065. The product is powered from a 12V dc wall wart purchased from an external supplier. The power supply is fully CB approved to IEC/EN/UL 60950 and operated well within its ratings. I submitted the CB documentation

[PSES] Screened room mains filter

2016-06-13 Thread McBurney, Ian
Dear colleagues I am looking into purchasing a single phase 50/60Hz ac mains input filter for a screened room. However; I am not sure whether to purchase a 2 line multistage filter or a 3 line. I'm assuming the filtering is only required on the live and neutral lines as the earth should be bond

Re: [PSES] Transformer insulation class

2016-05-19 Thread McBurney, Ian
Design & Compliance Engineer. Allen & Heath Ltd. Kernick Industrial Estate, Penryn, Cornwall. TR10 9LU. UK T: 01326 372070 E: ian.mcbur...@allen-heath.com From: Adam Dixon [mailto:lanterna.viri...@gmail.com] Sent: 19 May 2016 10:51 To: McBurney, Ian Subject: Re: [PSES] Transformer insulati

[PSES] Transformer insulation class

2016-05-19 Thread McBurney, Ian
Hello colleagues. The switch mode transformers we use in our power supplies are specified by the testing agency as insulation class A even though the materials used in the transformer are all rated for 130°C operation. We have asked the agency to up rate the transformer to insulation class B bu

[PSES] Latest OJEU

2016-04-11 Thread McBurney, Ian
Dear colleagues With the implementation of the new EMC & LVD directives this month, does anyone know where I can access the latest OJEU to check which standards are listed as acceptable for declaring conformity with the new directives. Many thanks in advance. Ian McBurney Design & Compliance E

[PSES] Bluetooth audio product

2016-02-09 Thread McBurney, Ian
Dear Colleagues. I have an audio product that is Powered over Ethernet, has Bluetooth capability and has various audio inputs and outputs. The product can be used in a residential/consumer environment. I am very familiar with testing audio products without wireless capability but this is the fi

Re: [PSES] EN 60065 clause 8.17 TIW

2016-01-22 Thread McBurney, Ian
Hello Rich. Is the 108-606 DC document file available to all or is its access limited to certain personnel only? Regards; Ian McBurney Design & Compliance Engineer. Allen & Heath Ltd. Kernick Industrial Estate, Penryn, Cornwall. TR10 9LU. UK T: 01326 372070 E: ian.mcbur...@allen-heath.com Fr

Re: [PSES] IEC 60950-1 PSU acceptance

2016-01-06 Thread McBurney, Ian
E: ian.mcbur...@allen-heath.com From: Richard Nute [mailto:ri...@ieee.org] Sent: 05 January 2016 18:58 To: McBurney, Ian ; EMC-PSTC@LISTSERV.IEEE.ORG Subject: RE: [PSES] IEC 60950-1 PSU acceptance Hi Ian: Clause 7.2 only applies if the steady-state current exceeds 0.2 amps. Is this the c

[PSES] IEC 60950-1 PSU acceptance

2016-01-05 Thread McBurney, Ian
Dear Colleagues. A happy new year to you all! I have a problem with a well-known safety testing agency regarding an AC/DC "wall wart" type adapter. The adapter is fully approved to IEC/UL 60950-1 but in this case I am using it to power a product that is being evaluated to IEC/UL 60065. The age

Re: [PSES] Test message

2015-12-10 Thread McBurney, Ian
Hello john; I received your email today at 12:12 UK time. Ian McBurney Design & Compliance Engineer. Allen & Heath Ltd. Kernick Industrial Estate, Penryn, Cornwall. TR10 9LU. UK T: 01326 372070 E: ian.mcbur...@allen-heath.com -Original Message- From: John Woodgate [mailto:jmw1...@btint

Re: [PSES] EN55032 definition of residential environment

2015-12-10 Thread McBurney, Ian
e following warning in the instructions for use, to inform the user of the risk of operating this equipment in a residential environment: W arning: This equipment is compliant with Class A of CISPR 32. In a residential environment this equipment may cause radio interference. Bill Stumpf - Lab / Te

[PSES] EN55032 definition of residential environment

2015-12-08 Thread McBurney, Ian
Dear colleagues In the 2015 edition of EN 55032 an interesting statement in clause 4. "Equipment intended primarily for use in a residential environment shall meet the class B limits. All other equipment shall comply with the Class A limits." I am unable to locate a definition for residential en

Re: [PSES] Rental costs for 1 day in shielded room

2015-11-13 Thread McBurney, Ian
es pretty close to this. Check it out. The Other Brian From: McBurney, Ian [mailto:ian.mcbur...@allen-heath.com] Sent: Friday, November 13, 2015 6:40 AM To: EMC-PSTC@LISTSERV.IEEE.ORG<mailto:EMC-PSTC@LISTSERV.IEEE.ORG> Subject: Re: [PSES] Rental costs for 1 day in shielded room Hel

Re: [PSES] Rental costs for 1 day in shielded room

2015-11-13 Thread McBurney, Ian
Hello Amund; I'm a regular customer with a UKAS accredited UK EMC lab and pay £750 per day including EMC engineer. In the UK, I believe £1000 per day + test technician would be a reasonable charge. Ian McBurney Design & Compliance Engineer. Allen & Heath Ltd. From: Kunde, Brian [mailto:brian

[PSES] FCC Labelling

2015-10-27 Thread McBurney, Ian
Dear colleagues; I know this question has been asked before but would I be correct in stating that under the FCC labelling requirements that if a product is deemed compliant in the Verification category for an unintentional radiator that it is not permitted to mark the product with the FCC mark

[PSES] Thank you to Rodney Davis

2015-10-26 Thread McBurney, Ian
Many thanks to Rodney Davis for his help with my Level VI USA Energy efficiency enquiry. Regards; Ian McBurney Design & Compliance Engineer. Allen & Heath Ltd. Kernick Industrial Estate, Penryn, Cornwall. TR10 9LU. UK T: 01326 372070 E: ian.mcbur...@allen-heath.com Allen & Heath Ltd is a regi

[PSES] USA Level VI energy efficiency regulations

2015-10-21 Thread McBurney, Ian
Dear colleagues; I understand that this question is slightly off topic but someone might know the answer. For USA level VI energy efficiency regulations, are power supplies intended for professional use only included within the regulations or can they be exempted? Many thanks in advance. Ian M

[PSES] UL updates

2015-02-16 Thread McBurney, Ian
Dear colleagues; Can anyone let me know if there is website that lists all the amendments and updates to a particular standard. In this case I am interested to know all the latest updates to UL 60065. Many thanks in advance; Ian McBurney Design & Compliance Engineer. Allen & Heath Ltd. Kernick

[PSES] US energy efficiency regulations level VI

2015-02-03 Thread McBurney, Ian
Dear colleagues. Although not strictly an EMC or safety question I am hoping someone might be able to help. The new US DOE Energy Efficiency regulations for external power supplies (EPS level VI) are due to become mandatory in February 2016 and now include multi-output external power supplies.

Re: [PSES] Rear panel marking

2014-01-22 Thread McBurney, Ian
state, Penryn, Cornwall. TR10 9LU. UK T: 01326 372070 E: ian.mcbur...@allen-heath.com -Original Message- From: Richard Nute [mailto:ri...@ieee.org] Sent: 21 January 2014 19:26 To: McBurney, Ian; EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] Rear panel marking Dear Ian: You have ente

[PSES] Rear panel marking

2014-01-21 Thread McBurney, Ian
Dear colleagues. We have a product that is marked "Max Power 80W" on the rear panel. I have been informed by the testing agency that this is not compliant with the requirements of IEC 60065 because the actual power consumption is 82.1W. The clause in the standard allows for a 10% tolerance but I

Re: [PSES] Cooling fan safety query

2013-12-16 Thread McBurney, Ian
, Penryn, Cornwall. TR10 9LU. UK T: 01326 372070 E: ian.mcbur...@allen-heath.com From: Richard Nute [mailto:ri...@ieee.org] Sent: 13 December 2013 20:06 To: McBurney, Ian; EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] Cooling fan safety query Hello Ian: The first question is whether or not

Re: [PSES] Cooling fan safety query

2013-12-13 Thread McBurney, Ian
Sent: 13 December 2013 14:18 To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] Cooling fan safety query In message , dated Fri, 13 Dec 2013, "McBurney, Ian" writes: >but if the product continues to function "safely" with a stalled rotor >why does it have to be listed in the

Re: [PSES] Cooling fan safety query

2013-12-13 Thread McBurney, Ian
Heath Ltd. Kernick Industrial Estate, Penryn, Cornwall. TR10 9LU. UK T: 01326 372070 E: ian.mcbur...@allen-heath.com -Original Message- From: John Allen [mailto:john_e_al...@blueyonder.co.uk] Sent: 13 December 2013 13:31 To: McBurney, Ian; EMC-PSTC@LISTSERV.IEEE.ORG Subject: RE: [PSES]

Re: [PSES] Cooling fan safety query

2013-12-13 Thread McBurney, Ian
Message- From: John Woodgate [mailto:j...@jmwa.demon.co.uk] Sent: 13 December 2013 10:34 To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] Cooling fan safety query In message <80f690de07894e049b221728b4a99...@dbxpr07mb206.eurprd07.prod.outlook.com> , dated Fri, 13 Dec 2013, "McBurney,

[PSES] Cooling fan safety query

2013-12-13 Thread McBurney, Ian
This is a question for the safety testing engineers. We have products that contain 12V/24V DC cooling fans that cool either the PSU or processing circuits. The fan speeds are reduced with basically a series resistor to reduce audio noise. The safety testing agency demands to know the exact model

[PSES] EMC requirements for Japan

2013-10-28 Thread McBurney, Ian [Allen & Heath UK]
Dear colleagues; Can anyone give me some advice regarding EMC regulatory requirements for commercial products in Japan. Are there any mandatory requirements? Is there a government organisation that issues proclamations regarding product EMC compliance. Is there a memorandum of understanding reco

[PSES] Retesting to latest standards

2013-02-05 Thread Mcburney, Ian
Dear Colleagues; I know this question has been ask before so please humour me. We have an old product that was tested to the 1996 version of EN 55103 parts 1 & 2. The latest versions are dated 2009 with some changes to testing. Am I required to retest the product to the new version even though th

Re: [PSES] POE creepage & clearances

2012-11-23 Thread Mcburney, Ian
nces In message <7b970d3d82cee74c920c2e6b0d3b837720be4...@sn2prd0610mb358.namprd06.prod.o utlook.com>, dated Fri, 23 Nov 2012, "Mcburney, Ian" writes: >We are developing a hand held product that is powered from +48V DC over >Ethernet or from an external +12V DC wall wart PSU. The maximum >internal voltag

[PSES] POE creepage & clearances

2012-11-23 Thread Mcburney, Ian
Dear colleagues We are developing a hand held product that is powered from +48V DC over Ethernet or from an external +12V DC wall wart PSU. The maximum internal voltage will be the +48V POE. Can anyone let me know what the creepage and clearance requirements between the "primary" Ethernet circu

[PSES] Product safety requirements

2012-11-16 Thread Mcburney, Ian
Dear Colleagues We are a manufacturer of audio mixing consoles with a range that varies from A4 size up to large 2m long 2 man lift consoles. Most have internal ac/dc power supplies. We are researching changing the way we power are future products to rationalise the psu range as worldwide approv

Re: [PSES] FW: [PSES] EU sets EMC limits for London Olympics

2012-08-09 Thread Mcburney, Ian
ALL If you're aged 75 or more, you don't have to pay for a Licence. Ian McBurney Design Engineer Allen & Heath Ltd Kernick Industrial Estate Penryn, Cornwall TR10 9LU United Kingdom +44 (0)1326 370121 ian.mcbur...@dmh-global.com www.allen-heath.com A DMH Pro Company. -Original Message--

[PSES] FCC maximum frequency measurement

2012-07-10 Thread Mcburney, Ian
Dear Colleagues; I would like to thank all those who contributed to answering my query regarding the maximum measurement frequency for FCC compliance. In particular; thank you to Bill Stumpf for the FCC document. Thank you; Ian McBurney Design Engineer Allen & Heath Ltd Kernick Industrial Est

[PSES] FCC maximum frequency measurement

2012-07-05 Thread Mcburney, Ian
Dear Colleagues; I am trying to establish the maximum measurement frequency for radiated emissions for a digital device that is an unintentional radiator (part 15). Is it set by the highest frequency generated internally in a microprocessor or DSP or is it the maximum frequency that is tracked "

[PSES] FCC labelling

2012-05-17 Thread Mcburney, Ian
Dear Colleagues; I'm sure this question has been asked before but I can't remember the answer. My question concerns FCC labelling spare PCB assemblies. These can be multilayer high speed processor boards shipped as spares to be fitted into equipment that is already FCC labelled. Would the packagi

Thanks - PSE approval of "wall wart" PSU.

2008-09-29 Thread McBurney, Ian [Allen & Heath UK]
Dear colleagues; I would like to thank all those who replied to my PSE approval query in particular Peter Merguerian and Jim Goedderz. Thanks; Ian McBurney. Allen & Heath Ltd. email:ian.mcbur...@allen-heath.com P Please consider the environment - do you really need to print this e

PSE approval of "wall wart" PSU.

2008-09-22 Thread McBurney, Ian [Allen & Heath UK]
Dear colleagues; We are shipping a “wall wart” style psu bought in from a separate supplier with one of our own products. Our distributor in Japan requires the psu to be PSE marked. The supplier of the psu has modified the psu rating label with the PSE diamond and also put on the name of our

LED lamps

2003-07-28 Thread McBurney, Ian [Allen & Heath UK]
***LEGAL DISCLAIMER: READ THIS FIRST*** This Email and any files transmitted with it are confidential and intended solely for the use of the individual to whom or the entity to which they are addressed. If you have received this email in error please notify the sender immediately. Please note that

LED lamps

2003-07-24 Thread McBurney, Ian [Allen & Heath UK]
***LEGAL DISCLAIMER: READ THIS FIRST*** This Email and any files transmitted with it are confidential and intended solely for the use of the individual to whom or the entity to which they are addressed. If you have received this email in error please notify the sender immediately. Please note that

Stripline design

2003-05-29 Thread McBurney, Ian [Allen & Heath UK]
Does anyone have fabrication drawings for a 150mm Stripline they could send me. I am keen to construct one from aluminium sheet. thanks Ian McBurney. Allen & Heath Ltd. email: ian.mcbur...@allen-heath.com ***DISCLAIMER*** This Email and any files transmitted with it are confidential and inte

Superseded standard

2003-02-28 Thread McBurney, Ian [Allen & Heath UK]
Sirs; Can anyone tell me when products tested to EN 50082-1:1992 and still in production should have been retested because the 1992 standard has now been superseded. I assume any reports and declaration of conformity documents issued for products declaring conformity with EN 50082-1:1992 are now

EN 55103 declaration

2003-01-03 Thread McBurney, Ian [Allen & Heath UK]
As a UK manufacturer and European exporter of professional electronic audio products, we declare conformity with the relevant EMC product family standards. For testing purposes, we use EN 55103:1996 Parts 1& 2 but our EU Declaration of conformity states compliance with BS EN 55103:1997 Parts 1 & 2.