Hi Gene, 1 -- I don't think they have bias magnets in them. 2 -- I don't think you will be happy with the repeatability as a limit switch. Also, the smallest bit of swarf that sticks to the magnet will cause you problems.
I haven't tried it, but I wouldn't be optimistic. Regards, Ken On Tue, Aug 23, 2016 at 6:18 AM, Gene Heskett <ghesk...@shentel.net> wrote: > On Tuesday 23 August 2016 05:57:22 Sarah Armstrong wrote: > > > yes it,s more than fast enough Gene , they work fine > > Good, I'll get a bag of them. Maybe 2, as I'll need home and limit > switches too. And I like the non-contact idea. A lot. > > Thanks Sarah. > > > On 23 August 2016 at 10:37, Gene Heskett <ghesk...@shentel.net> wrote: > > > Greetings all; > > > > > > Does this device, which I see 5 for a dollar on ebay, have a builtin > > > bias magnet? IOW can it sense gear teeth as is? And is it fast > > > enough to handle that bigger gear right behind the spindle bearing > > > in my Sheldon at 3000 revs? I haven't counted the teeth but its a > > > bunch, 100 or so. > > > > > > A3144 3144E OH3144E Hall Effect Sensor SWITCHES TO-92UA 3pin SIP > > > > > > Thanks. > > > > > > Cheers, Gene Heskett > > > -- > > > "There are four boxes to be used in defense of liberty: > > > soap, ballot, jury, and ammo. Please use in that order." > > > -Ed Howdershelt (Author) > > > Genes Web page <http://geneslinuxbox.net:6309/gene> > > > > > > ------------------------------------------------------------ > > > ------------------ > > > _______________________________________________ > > > Emc-users mailing list > > > Emc-users@lists.sourceforge.net > > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > Cheers, Gene Heskett > -- > "There are four boxes to be used in defense of liberty: > soap, ballot, jury, and ammo. Please use in that order." > -Ed Howdershelt (Author) > Genes Web page <http://geneslinuxbox.net:6309/gene> > > ------------------------------------------------------------ > ------------------ > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
