[time-nuts] Multiple Voltage monitoring (Matt Ettus)
pete at petelancashire.com
Fri Jul 31 17:25:50 UTC 2009
Be careful on buying scanners. The issue is not the scanner
but in the fact that they use plug in cards. Make sure you
get the type of interface card(s) you need. There are a lot
of HP/Agilent scanners out there minus all their cards.
Saying that you can anything from a 3421A to a rack size
scanners for less the $25. The 3421A's usually
go for a bit more since they are small.
If space and power is not an issue you can get
a 3497A with its integral DMM (option 001) and a input
MUX card (option 010) for at times less the $25 minus
shipping. The last three I got were free minus the 120
mile round trip. On the flip side I got about 2,000 ft
of double braided low noise Teflon insulated wire tossed
The down size is they are big. The plus is you can get
many different I/O cards and use it for other projects.
> Marc Bury wrote:
>> Hi Matt,
>> A Hewlet Packard 3421A (Data acquisition unit) with option 20 (10
>> channel multiplexer) and GPIB would fit your need withour emptying your
> I can vouch for the 3421A -- nice, inexpensive box that is low power and
> fairly painless to program. There are other HP data aquisition/switch
> boxes, including one with a 5 1/2 digit DMM, but they are much bigger
> and more power hungry.
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