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Testing and Benchmarking Discuss, design, and debate ways to evaluate the performace of he goods out there. |
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#1 |
Cooling Neophyte
Join Date: Sep 2001
Location: High Altitude Lab
Posts: 94
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came across this and thought someone might be interested
http://www.iit.edu/~labview/Dummies.html which is based on V5.0 might as well toss a few more out http://www.upscale.utoronto.ca/Gener...t/LabView.html http://www.mech.uwa.edu.au/jpt/tutorial/ieindex.html
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LurkyLoo Last edited by Ice Czar; 10-09-2005 at 05:56 PM. |
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#2 |
Put up or Shut Up
Join Date: Dec 2001
Location: Spokane WA
Posts: 6,506
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Wish I could afford LabView....
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#4 |
Put up or Shut Up
Join Date: Dec 2001
Location: Spokane WA
Posts: 6,506
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I see LabView 7 there aswell for $90. Still $90 more than I have right now. Also trying to figure out the hardware...
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#5 |
Cooling Savant
Join Date: Nov 2002
Location: Portugal, Europe
Posts: 870
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a keithley or national DAQ would do.
saw this: http://cgi.ebay.com/NI-PCI-6025E-Mal...QQcmdZViewItem maybe. but you can get labview to work with just about anything as long as you are willing to program it to. serial, parallel ports, or even a gameport.
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"we need more cowbell." |
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#6 |
CoolingWorks Tech Guy Formerly "Unregistered"
Join Date: Dec 2000
Location: Posts: 2,371.493,106
Posts: 4,440
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investigate all 4-20mA output inst,
some shutdown if the loop is opened which will necessitate a loooong cycle to get a reading I just use a dedicated dmm (w/GPIB) for the dP xmtrs, if switching use a 2 pole switch and short the non-reading position (a blip but not too long) |
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#7 | |
Thermophile
Join Date: Jun 2001
Location: The deserts of Tucson, Az
Posts: 1,264
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![]() Quote:
Also, about cheap lab view: http://www.phptr.com/title/013188054...42f47b967&rl=1 " for personal education use only", it has some annoying overlays in various screens that say "student edition", but I don't think theres any other serious limitations. Not bad for 70 bucks IMO. BTW, I've been looking at some of the APIs for the NI DAQ boards. It looks like they have some pretty cool .NET stuff. Anyone have any experience with that? |
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#8 | |
Cooling Neophyte
Join Date: Sep 2001
Location: High Altitude Lab
Posts: 94
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Like this? ![]() the words fall like gold from the lips of BillA (thanx for the recommendation Bill ![]() my main problem this minute is that 7701 doesnt have Cold Junction Calibration and I have no clue about cabling issues with the Dsubs been reading up on Isolation, Signaling, Shielding, Remote CJC as far as Thermocouples go Im getting a CJC enabled modual I guess Ideally Id want a 7708 40-Channel w\ CJC and a 7705 Control Modual and sell the 7701, but realistically I'll probably have to buy a 7700 and then upgrade eventually integration with LABview will wait till I get the basics down
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LurkyLoo |
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#9 |
CoolingWorks Tech Guy Formerly "Unregistered"
Join Date: Dec 2000
Location: Posts: 2,371.493,106
Posts: 4,440
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nice
endless ways to run at it how are you going to take the fan inlet air temp ? the spec calls for 1 TC in each quadrant 1/2"max back from the blade midpoint (8 for 2 fans) I 'presently' use 2 ss sheathed RTDs only and average their range I see the vanished PM resolved itself |
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#10 |
Cooling Savant
Join Date: Nov 2002
Location: Portugal, Europe
Posts: 870
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Have four keithley DMM 2k on the lab, gpib to labview (something similar, billA's)
mainly for school projects (or random trolling if they're available ![]() but it's way more expensive to set up than a resonable daq card, not everybody is willing to drop 1000 bucks on that. If you can then gopher it.
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"we need more cowbell." |
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#11 | |
Cooling Neophyte
Join Date: Sep 2001
Location: High Altitude Lab
Posts: 94
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![]() Quote:
![]() but again thanxs for the hint ![]() did the PM vanish?
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LurkyLoo |
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