On Sun, Mar 17, 2013 at 3:49 PM, Richard Ray <kqt4a...@gmail.com> wrote: > On Sun, 17 Mar 2013, Jon Elson wrote:
>> Beware of getting magnets near the sensor, it will be affected >> even by the earth's magnetic field, so if you pick up the >> equipment and move it, the zero will shift. >> > > So does that mean that since this is modiles equipment that a hall sensor > will not work Well, it depends---since the original poster wanted to measure up to 100A, it would probably work to the extent that the fields due to such strong currents are stronger than the earth's field which is a fraction of a gauss (0.1 milliTesla). If you place a sensor next to a 1mm conductor running 100A you should see around 200 gauss (B=mu0 I/2piR), so maybe it's acceptable. ------------------------------------------------------------------------------ Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://p.sf.net/sfu/appdyn_d2d_mar _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
