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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