Data Acquisition from compression tranducer

 
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PostPosted: Mon Dec 15, 2003 11:52 pm    Post subject: Data Acquisition from compression tranducer Reply with quote
Hi there, I'm looking to build a comression strength test station, but integrating electrical components is not exactly my forte. I'd like to take a simple compression load cell and pull the data either into a graphical form, or just as a data dump. I don't care if it is a simple delimeter separation set up for the data, or a complete package system... I can always pull the data into a spreadsheet for analyzing. Anyhow, I don't know the simplest, cleanest, nor most economical way to go about it. I like what I see in the Pico software... seems very clean. Does Pico offer interface hardware where I can plug-n-play the load cell into a computer serial or parral port and pull the data from there? This is going to be a single dedicated test using a very common 50 pound button style load cell. Any and all input is welcome. TIA!!
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ricardo
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Joined: 07 May 2003
Posts: 98

PostPosted: Tue Dec 16, 2003 10:56 am    Post subject: Reply with quote
Hi,

Thank you for your enquiry. Yes, we sell the hardware interface (ADC's) that can read the signal from your load cell and log the data on your PC.

We have a wide range of ADC's, which one is suitable for you will depend on the output range of your load cell, number of channels required, sampling speed required, etc.

Please visit our website for details and specs of our range of data loggers,
http://www.picotech.com/data.html

Best regards,

Ric
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concutter
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PostPosted: Tue Dec 16, 2003 5:07 pm    Post subject: Thanks... I'll get started Reply with quote
Thanks Ric,

I'll start gathering some hardware for the apparatus and get back with you when I find an appropriate load cell. Hopefully, you all will have the right software/hardware to interface the cell. This is the line of cells I am looking at... http://www.transducertechniques.com/SLB-Load-Cell.cfm ...the 50 lb unit.

Thanks again,
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ricardo
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Joined: 07 May 2003
Posts: 98

PostPosted: Wed Dec 17, 2003 10:59 am    Post subject: Reply with quote
Hi,

I had a look at the load cells, you should be able to log the mV from the cells without problems. You'll have to supply your cell with 5V from an external power supply though, unless you use the ADC-16 which has a 5V output.

Best Regards,

Ric
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concutter
Guest
PostPosted: Wed Dec 17, 2003 7:17 pm    Post subject: Thank you Reply with quote
Thanks for the feedback... it looks like the ADC-40 should work perfectly for us... and the software comes with the hardware purchase?!?! Oustanding! I've contacted your vendor, Interworld Electronics, in Port Roberts, WA to see about purchasing. Thanks again for the support and for providing just the product we need!
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concutter
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PostPosted: Thu Dec 18, 2003 3:53 pm    Post subject: Quick question Reply with quote
I see the data sampling rate on the ADC-40 is in kS/s... is it safe to presume that is kilo-Samples per second? I guess I will be using this system as a meter to monitor the voltage from the load cell.
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ricardo
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Joined: 07 May 2003
Posts: 98

PostPosted: Thu Dec 18, 2003 3:58 pm    Post subject: Reply with quote
Hi,

Thats right, its kilo samples per second.

Best Regards,

Ric
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