Re: [PSES] IEC 60601-2-47 magnetic field immunity test

2011-10-25 Thread emc-p...@ieee.org
On Mon, 24 Oct 2011 17:00:28 +0100, John Woodgate wrote: > In message , dated Mon, 24 > Oct 2011, Pat Lawler writes: > > >Consider testing at 3 A/m *and* 1 Gauss (80 A/m) in case the higher > >test level is needed. > > What would 80 A/m at 150 Hz or 180 Hz be simulating? It's also very odd

Re: [PSES] IEC 60601-2-47 magnetic field immunity test

2011-10-24 Thread emc-p...@ieee.org
In message , dated Mon, 24 Oct 2011, Pat Lawler writes: >Consider testing at 3 A/m *and* 1 Gauss (80 A/m) in case the higher >test level is needed. What would 80 A/m at 150 Hz or 180 Hz be simulating? It's also very odd that one level is in A/m and the other in the CGS unit - not tesla. One

Re: [PSES] IEC 60601-2-47 magnetic field immunity test

2011-10-24 Thread emc-p...@ieee.org
Hi Tom: Although I can't help clear the confusion in IEC 60601-2-47, there are some IEC 60601-2-x standards that require power line magnetic field testing at high levels. The one that I came across was IEC 60601-2-22 (safety of infusion pumps), which required 400 A/m. I can only assume they tho