Hi Chris;

There is this cave in tucson
and i think it is always 65F all
year round but do not know how deep it is.

Regards;
geoff

----- Original Message ----- 
From: 
To: 
Sent: Tuesday, October 31, 2006 10:10 PM
Subject: Re: My seismometer vault solution


> In a message dated 2006/11/01, gmvoeth@........... writes:
> 
>> What about the calibration of the instrument itself ?
>> 
>> Will the instrument/sensor be adjusted properly
>> in the temp range it will operate ?
> 
> Hi Geoff,
> 
>       I would not expect the sensitivity to change more than a few % with 
> temperature.
> 
>       I do not have to operating range for a L15B, but typcial operation of 
> geophones may be from -20 F to 160F. If you dig a nice cosy hole for it, you 
> won't see any temperature extremes. 
> 
>       Regards,
> 
>       Chris Chapman
>
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