I had a laser printer that flashed all the lights (at about 1 Hz) in my home office whenever it was switched on. It drove me nuts. When I contacted the vendor about this issue, I was informed they were not expecting the $400 printer to be used in a home office environment. Imagine that.
Dan Kwok, P.Eng. Principal Engineer Electromagnetic Compatibility Intetron Consulting, Inc. Ph (604) 432-9874 E-mail [email protected] Internet http://www.intetron.com From: "Chris Maxwell" <[email protected]> To: <[email protected]>; <[email protected]> Sent: Tuesday, March 11, 2003 2:03 PM Subject: RE: Exemption from Flicker Testing Yes....Unless it has a 10F capacitor that needs to be charged upon power up :-) I think that the "examination" is meant to look for such problems. > -----Original Message----- > From: [email protected] [SMTP:[email protected]] > Sent: Friday, March 07, 2003 9:40 AM > To: [email protected] > Subject: Exemption from Flicker Testing > > > Clause 6.1 of EN 61000-3-3 + A1 says "Tests shall not be made on equipment > which is unlikely to produce significant voltage fluctuations or flicker. It > may be necessary to determine, by examination of the circuit diagram and > specifications of the equipment and by a short functional test, whether > significant voltage fluctuations are likely to be produced." > > Am I standing on firm ground assuming that equipment consuming less than 75W > can be exempted from test? > > Richard Woods > Sensormatic Electronics > Tyco International > > > ------------------------------------------- > 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: > [email protected] > with the single line: > unsubscribe emc-pstc > > For help, send mail to the list administrators: > Ron Pickard: [email protected] > Dave Heald: [email protected] > > For policy questions, send mail to: > Richard Nute: [email protected] > Jim Bacher: [email protected] > > Archive is being moved, we will announce when it is back on-line. > All emc-pstc postings are archived and searchable on the web at: > http://www.ieeecommunities.org/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: [email protected] with the single line: unsubscribe emc-pstc For help, send mail to the list administrators: Ron Pickard: [email protected] Dave Heald: [email protected] For policy questions, send mail to: Richard Nute: [email protected] Jim Bacher: [email protected] Archive is being moved, we will announce when it is back on-line. All emc-pstc postings are archived and searchable on the web at: http://www.ieeecommunities.org/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: [email protected] with the single line: unsubscribe emc-pstc For help, send mail to the list administrators: Ron Pickard: [email protected] Dave Heald: [email protected] For policy questions, send mail to: Richard Nute: [email protected] Jim Bacher: [email protected] Archive is being moved, we will announce when it is back on-line. All emc-pstc postings are archived and searchable on the web at: http://www.ieeecommunities.org/emc-pstc
