In a message dated 2008/03/10, ian@........... writes:

> we have a record breaking low pressure system over us in Scotland just 
> now, 952 mbar or about 28".  My Lehman seems to have gone into limit, 
> given the flat line signal coming from it (see http://www.iasmith.com).  
> I wonder if the low pressure has caused the ground to tilt, ever so 
> slightly.

Hi Ian,

       Possible, but I don't see why the ground should react? However, you 
have also been having a lot of rain, which certainly can effect the tilt. The 
land under your house stays dry, while the garden absorbs water and swells up?

> I also wonder if it will come out of limit when the pressure goes up 
> again, though hysteresis will probably prevent it.

       There shouldn't be any hysteresis in the Lehman itself, but there may 
be in the land tilt.

       Regards,

       Chris Chapman          
In a me=
ssage dated 2008/03/10, ian@........... writes:



we have a record breaking low p=
ressure system over us in Scotland just 

now, 952 mbar or about 28".  My Lehman seems to have gone into limit, <=
BR>
given the flat line signal coming from it (see http://www.iasmith.com). =
; 

I wonder if the low pressure has caused the ground to tilt, ever so 

slightly.




Hi Ian,



       Possible, but I don't see why the groun=
d should react? However, you have also been having a lot of rain, which cert=
ainly can effect the tilt. The land under your house stays dry, while the ga=
rden absorbs water and swells up?



I also wonder if it will come o=
ut of limit when the pressure goes up 

again, though hysteresis will probably prevent it.




       There shouldn't be any hysteresis in th=
e Lehman itself, but there may be in the land tilt.



       Regards,



       Chris Chapman    &n=
bsp;