Re: [PSES] Question reguarding EN 50131-5-3:2017

2019-10-22 Thread Kevin J Harris
Hi Scott The text is correct but not well written or explained The paragraph before the text you quoted states The tests consist of subjecting the receiver to a continuous interference signal introduced from a signal generator. This signal shall cover at least the entire assigned band (not

[PSES] ISO/IEC 17025:2017 Documentation Templates

2019-02-25 Thread Kevin J Harris
Dear Colleagues, We are about to start the process of switching our safety lab accreditation basis from ISO/IEC 17025:2005 to ISO/IEC 17025:2017. We thought we would take that opportunity to completely refresh our quality manual, procedures and SDs. Rather than start completely from scratch,

Re: [PSES] Source for Nameplate Rating Nomenclature

2019-01-31 Thread Kevin J Harris
There is a 2001 EN version is also available for purchase https://www.evs.ee/products/evs-en-61293-2001 From: Lesmeister, Glenn [mailto:glenn.lesmeis...@hpe.com] Sent: Thursday, January 31, 2019 3:02 PM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] Source for Nameplate Rating Nomenclature

[PSES] Product Safety Specialist required near Toronto

2019-01-17 Thread Kevin J Harris
Dear Colleagues In our Concord (suburb north of Toronto, Canada) location we have an opening for a product safety specialist for our small A2LA accredited product safety laboratory. We are looking not only for someone who is familiar with testing to EN/IEC 60950 and IEC 62368 but equally

Re: [PSES] IEC 61000-4-5 Surge Testing Single plug vs. multiple plug system

2019-01-03 Thread Kevin J Harris
My test method for this test has always been that each port that exits the EUT gets an individual test. If in this case the “system” has multiple power cords exiting the cabinet, then the number of ports to be tested equals the number of cords. If they are combined within the system and only

Re: [PSES] Safety Test Templates Question

2018-08-02 Thread Kevin J Harris
Hi Doug The testing templates were for tests found in either IEC 60950 or IEC 62368. Kevin From: Doug Powell [mailto:doug...@gmail.com] Sent: Thursday, August 02, 2018 1:27 PM To: Kevin J Harris Cc: EMC-PSTC Subject: Re: [PSES] Safety Test Templates Question Interesting question/ Can you

[PSES] Safety Test Templates Question

2018-08-02 Thread Kevin J Harris
Hello On test templates from several laboratories I have noticed where they indicate whether or not a particular test was successful or not, that there is an arrangement of text such as this Conforms:Y □N □ Non-Conforms: Y □N □ Is there a technical or legal

[PSES] Product Safety Testing and Evaluation training.

2018-05-04 Thread Kevin J Harris
Hello I am looking recommendations for companies (preferably in North America) that can provide training in product safety testing and evaluation to engineers who are beginning their career. Ideally the training would concentrate on IEC 62368-1 Kind regards Kevin -

Re: [PSES] EN50131-1 Battery spec vs. Environmental class

2018-04-19 Thread Kevin J Harris
Hello Amund Sorry for the late reply on this Not to rain on your parade any further but the upper operating temperature for Class II is 55 C not 40 C. The note for Clause 7.2 in EN 50131-1 is not correct. Not sure why that has never been fixed but it might be because notes cannot contain