Re: Wheel oddmeter sensor (Hall effect etc)

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#2452

From: Andrew Feldhaus
Date: Mon, 21 Jan 2002 13:09

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Most automotive dataloggers use inductive proximity sensors.
They switch like a transistor when steel (other metals work with reduced
range) passes within a few mm of the tip.
RS stock various versions of these. (M8/M12... PNP switching, NPN
switching... flush/normal mounting... etc.)
The benefit of these is that you don't have to add a magnet to the wheel -
they pick up signals from bolts.

Andrew
0xADF


"Joseph Goldburg" <wizard1@netspace.net.au> wrote in message
news:a2h3ec$2q1g$1@otis.netspace.net.au...
> Hi All,
>
> I am looking recommendations for a cheep reliable
> oddmeter sensor, as used on bicycle computers cars
> and motorbikes etc.
>
> I was thinking of a hall effect sensor (with in built schmidt trigger etc)
> and
> a magnet on the wheel.
>
> Any pointers to sensors and shared experiences would be appreciated.
>
> Thanks in advance.
>
> Regards
> Joseph
>
>

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From: "Andrew Feldhaus" <Reply@thread.pls>
Newsgroups: sci.electronics.design,aus.electronics
Subject: Re: Wheel oddmeter sensor (Hall effect etc)
Date: Mon, 21 Jan 2002 13:09:08 -0000
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