Which USB data acquisition device to use ?

Hi, I start an experiment to take voltage readings of 6-8 samples. Just considering which data acquisition system to use? I am right now thinking about:

1) DI-148U

8-channel, 10-bit starter kit with =B110 volt input range. USB interface.

Using WinDaq/Lite recording software, WinDaq Waveform Browser

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2) miniLAB 1008 - 8 Channel Daq Device

8 Single-Ended or 4 Differential Analog Inputs

12-Bit (Differential) / 11-Bit (Single-Ended) Resolution Two 10-Bit Analog Outputs 28 Bi-Directional Digital I/O Lines (24 through standard 37-pin connector; 4 through screw terminals) One 32-Bit External Event Counter

Using InstaCal and TracerDAQ Software

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3) USB-based 8 Channel Data Acquisition Device -- USB-1208LS

4 differential/8 single-ended analog inputs

12-bit Differential / 11-bit Single-Ended Resolution Up to 50 kilosample/second sample rate 2 12-bit analog outputs 16 bits of DIO

Also using InstaCal and TracerDAQ Software

I 've never used InstaCal and TracerDAQ Software before, can it work well with the miniLAB 1008 and USB-1208LS ???

Can anybody just give me some suggestions ? I am really new to this data acquisition device. Or can give me any better choice ??

Thanks a lot

Reply to
Armada
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windaq is limited to N samples per second until you buy the full software. Other then that its pretty good, we have one we use when we sponser science fair students on fuel cell projects, but if you need faster then say 480 samples a second, buy the other product. We use the di-148 U, and the freeware under win 2K. Its actually pretty good. I'm spoiled, I have full blown labview to compare against, and windaq compares favorably.

Steve Roberts

Reply to
osr

Thanx very much !

I think 480 samples per sec is quite enough for my experiment................but i am not sure since we may need large sampling rate in the future.

Anyone used miniLAB or USB-1208 ? Can give any advice ? DI-148 costs

50+195=$245, miniLAB is $109 and USB-1208 is about $150, running on low-budget.... :-)
Reply to
Armada

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