Hi Vasile

The temp and moisure content vary.

Temp is dependant on the amount of steam being fed into the dryer drum, and
the speed of the machine - both operator set. The moisture content varies
depending on what the product requirement is - budget to luxuary and many
stages inbetween.

This doesnt mean that it cant be calibrated according to the conditions - it
will just make it a very complex measurement.

Regards

John
----- Original Message ----- 
From: "Vasile Surducan" <piclist9@gmail.com>
To: "Microcontroller discussion list - Public." <piclist@mit.edu>
Sent: Monday, September 25, 2006 6:59 PM
Subject: Re: [EE]: High Speed Thickness Measurement


> On 9/25/06, John <john@raystorm.co.uk> wrote:
> > Hi Guys
> >
> > I would like some suggestions for a thickness measurement project that I
> > have in mind. Its purpose when built will be to measure the thickness of
> > tissue coming out of a paper machine - ave speed 1500m/min
>
> Microwave around 10Ghz, if the paper's temperature and moisture are
constant.
>
> Vasile
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