Hey Ed, thanks for the tips. The DC-200 has a quite different meter
system based on the pix of the DC-150 you linked to. I did find a
manual for sale for a model DC-200AR, and have inquired if the 200AR
is at all similar to the 200C. If it is, I'm good to go.
Thanks,
Dick Moore
On Jun 7, 2009, at 5:00 AM, [email protected] wrote:
------------------------------
Message: 3
Date: Sat, 06 Jun 2009 17:11:30 -0600
From: Ed Palmer <[email protected]>
Subject: Re: [time-nuts] Need volt-nuts help
To: Discussion of precise time and frequency measurement
<[email protected]>
Message-ID: <[email protected]>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Sounds similar to one that I've got. CSC stands for "Calibration
Standards Corporation". Mine is DC-110B, but it looks identical to:
http://cgi.ebay.ca/Precision-DC-Null-Voltmeter-DC-150B_W0QQitemZ290321205779
. I've seen an identical unit under the Honeywell brand. There are
manuals on *Bay for similar units. Search for
"calibration standards" voltmeter
I'd guess that the meter section is similar in all of them. I don't
have a manual for mine, unfortunately.
Ed
Dick Moore wrote:
You all are an amazing resource, so even if this is not time-nuts
material, someone of you may be able to shed some light.
I picked up a differential voltmeter made by Precision Measurements
Corp. It says it's brand is CSC (no info on what this stands for),
model DC 200C. In general, it is similar to a Fluke 885 but with a
much more readable meter, larger easier to use knobs, and overall
fewer parts; plus a lot more empty space. The null detector/voltmeter
section is not working, but the power supply and K-V divider are
fine,
as are all the switches.
I've checked various sites for manuals with no luck, and also Googled
and found nothing. Rather than try now to reverse engineer the
schematic, I'm hoping one of you may know something about this
machine. If nothing else it will be an interesting platform for play.
Thx,
Dick Moore
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------------------------------
Message: 4
Date: Sat, 06 Jun 2009 19:54:17 -0400
From: neon John <[email protected]>
Subject: [time-nuts] OT: Timer-counter wanted
To: [email protected]
Message-ID: <[email protected]>
Content-Type: text/plain; charset=ISO-8859-1
Hey guys,
I'm looking for a counter/timer for my lab. I don't need anything of
Time Nuts grade, just a general purpose counter. I don't do sleazebay
plus I'd rather pass a few bux to a fellow time nutter. So if you
have
a spare one of fairly recent vintage, preferably not containing a
cooling fan, drop me a note. Please reply off-list: [email protected]
Thanks
John
--
John DeArmond
Tellico Plains, Occupied TN
http://www.neon-john.com <-- email from here
http://www.johndearmond.com <-- Best damned Blog on the net
PGP key: wwwkeys.pgp.net: BCB68D77
------------------------------
Message: 5
Date: Sat, 6 Jun 2009 23:20:22 -0400
From: <[email protected]>
Subject: [time-nuts] Re :rubidium osc box
To: [email protected]
Cc: [email protected]
Message-ID: <20090606232022.m9rfi.220465.im...@eastrmwml46>
Content-Type: text/plain; charset=utf-8
If you want to go totally crazy on a shielded box, check out
Electronic Goldmine's MU metal sticky shielding. Used to be used on
CRT shields, etc. Probably not needed, but should kill a bunch of
LF noise. Make a sandwich over the wires entering the box, etc.
N0UU
------------------------------
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