From: langwadt on
On 11 Aug., 19:49, Fred Bartoli <" "> wrote:
> OBones a écrit :
>
> > Herman wrote:
> >> Any one know how the sensor in these works?  The "Clear Blue" device
> >> has a
> >> sensor that does some type of enzyme test.
>
> > It's an optical sensor that reads the bar that you would have seen with
> > your own eyes.
> > Well, it reads it more precisely, but still, it's the same principle.
>
> Oh, I thought it was some kind of girth measurement device :-)
> At some point this should give pretty reliable indication.
>

with some it might not be that noticeable a change :P

-Lasse