On Fri, 4 Feb 2005, alan smith wrote:

> Had someone ask me....about building an electronic
> level sensor.  Essentially he has 4 jacks and wants to
> read sensors on each jack to determine if the table is
> level.
>
> So, what kind of sensor is used?  He said accelormeter
> but from what I know...it wont give you a X and Y will it?

An electronic level gauge will measure the levelness of the table 
directly, but he may need it to be level with reference to some other 
frame of reference (such as a machine that was not properly leveled when 
it was bolted to the floor). iow, it is not so simple. You also need to 
specify precision (how level is level).

Peter
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