PSN-L Email List Message
Subject: Re: My seismometer vault solution
From: "Geoffrey" gmvoeth@...........
Date: Tue, 31 Oct 2006 21:12:18 -0700
Hello;
What about the calibration of the instrument
itself ?
Will the instrument/sensor be adjusted properly
in the temp range it will operate ?
Regards;
geoff
----- Original Message -----
From:
To:
Sent: Friday, October 27, 2006 4:16 PM
Subject: Re: My seismometer vault solution
> In a message dated 2006/10/27, geodynamics@....... writes:
>
>> Even slight jostling of the geophones can generate a pretty strong signal
>> -- well in excess of 10-volts -- that can over-saturate or even damage some
>> ADC boards.
>
> Hi Tim,
>
> Jon is using one of Larry's amplifiers. It has 12 V rails.
>
> If Jon does as you suggest and the whole area floods with snow melt
> water, melts and re freezes a few times, won't it likely damage the geophones?
> The climate in Iceland is chilly in winter. I would enclose them in a sealed
> container under dry sand. It is not difficult to seal cable into plastic water
> pipe. You can easily buy tank fittings for plastic water pipe to seal to a
> container.
>
> Can you check this message and see if there is a HTML attachment,
> please?
>
> Regards,
>
> Chris Chapman
>
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