PSN-L Email List Message

Subject: Re: S-500
From: "a.rodriguez" stuff@.................
Date: Wed, 1 Oct 2003 08:15:39 -0500

Hello Henry,

I have the pin out and the manual but I will have to look for
them.  The copy I have is not very good but readable.  Give me a day
to dig it up and scan it.



Tuesday, September 30, 2003, 10:43:47 PM, you wrote:

HB> We have come across some Teledyne Geotech S-500 short period 
HB> seismometers that spent many years on the side of Turtle Mountain in the 
HB> Crowsnest Pass, Canada (  We're currently 
HB> re-instrumenting the mountain and are contemplating re-installing these 
HB> old S-500s on some spare channels (our focus is on seismicity of much 
HB> higher frequency).  Are seismometers of this vintage still trustworthy?  
HB> They've been buried (unprotected) in soil for 15 years.  They look ok 
HB> externally, but we haven't bench tested them (don't have the pin-out).   
HB> I don't have the specs/manuals for these seismometers (I'm sure someone 
HB> at Geotech Instruments can help).  If anyone off-hand knows the 
HB> specifications for these seismometers I would appreciate a note.

HB> Cheers,
HB> -Henry Bland


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