PSN-L Email List Message
Subject: RE: Fwd: SPRENGNETHER 5000 HORIZONAL LONG PERIOD SEISMOMETER
From: apsn apsn@...........
Date: Sun, 11 Apr 2004 14:19:55 -0800
I might have what you need, Jim. I think I have parts for a Sprengnether
5000 vertical or
horizontal, I cannot remember which. Give me some time to find them and
see if they
match what you're after.
At 11:57 AM 4/11/2004, Meredith Lamb wrote:
>Highly doubt a spare will be found due to the age of the instrument.....it
>discontinued many years ago....even though it a very reliable and highly
>I think its a piece one can either carefully homebrew or have a machine
>make. I think the part can be made from 1/2" X 1/2" X ~1.75" length
>found in hardware stores. Its sold as square rods about 1 foot long.
>"IF", you try this,
>I'd take along a file to make sure the keystock is metal workable (the iron
>can be filed);
>some keystock is heat treated and is so hardened it might not be workable.
>have to be a exact match of the original to function. After drilling the
>wire hole; I'd
>install two setscrews on another opposite side, to hold the wire from
>boom "prong" holes are probably deep enough to where its about 2/3rds
>thickness for stability. With your boom prongs, you can measure their
>from the centered wire hole center. Making this part is probably the only
>Take care, Meredith
> > [Original Message]
> > From: Larry Cochrane
> > To:
> > Date: 4/10/2004 11:43:38 PM
> > Subject: Fwd: SPRENGNETHER 5000 HORIZONAL LONG PERIOD SEISMOMETER
> > Hi everyone,
> > I was asked by Jim Allen to forward the following message to the list. He
> > uses AOL so he's not on the PSN-L list any more. -Larry
> > I just received a Spregnether 5000 long period horizontal seismometer
> > similar to the ones on Meredith Lamb's website. However, it is missing
> > lower far rear piece that clamps the pivot wire. Its the piece that
> > just ahead of the frame (approximately 2+ inches long). If anyone has
> > or know a source for parts for this unit I would appreciate hearing from
> > them so I can get the unit working.
> > If anyone can help, please respond directly to my email: radiotel@.......
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