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Dear all, Let's consider a medical laser device with delivers its output (laser beam) through an articulated mechanical arm; the arm is metallic and connected to the chassis. The arm has no electrical connections to the rest of the equipment. I'm in trouble with leakage currents and applied voltage testing. My question is: according to EN 60601-1, if the impedance from the arm to earth is less than 100 mohms, can I think of it simply as an extension of the chassis, instead of an applied part? And if the impedance is more than 100 mohms? thanks, Paolo Paolo Peruzzi Regulatory Engineer El.En. S.p.A. Via Baldanzese, 17 50041 Calenzano (FI) Italy Tel. +39 055 8826807 FAX +39 055 8832884 http://www.elengroup.com/ This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. IEEE PSES Main Website: http://www.ieee-pses.org/ To post a message send your e-mail to [email protected] Instructions for use of the list server: http://listserv.ieee.org/listserv/request/user-guide.html List rules: http://www.ieee-pses.org/listrules.html 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] All emc-pstc postings are archived and searchable on the web at: http://www.ieeecommunities.org/emc-pstc
