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Thermocouples reading...

Thermocouples reading...

Thermocouples reading...

(OP)

Dear All,
        in order to monitor and record temperature values during cryogenic and fire testing of valves, at the moment we are using a 16-channel signal reader (model SR630 by Stanford Research Systems: see http://www.srsys.com/html/body_sr630.html).
    Now we would like to replace it with a computer-integrated data acquisition card and a simple software, able to obtain final temperature graphs from the reading of 5 or 6 (type T or K) thermocouples.
    We looked into National Instruments and LabView products, for instance, but it sounds like they're too complicated (and expensive) respect to our needs...
       Does anybody have any suggestions?
Many thanks,        'NGL

RE: Thermocouples reading...

The cost and ease of use is going to depend greatly on accuracy and other items like scan rate. I used to use a lower cost item made by HP we called a data bucket. It was an 8 channel input that had a decent scan rate and could write data to a .csv file that could then be manipulated in Excel. It was a relatively low cost item. I honestly haven't looked for one in quite a while though.

There are other data acquisition products out there. Did you try companies like Omega?

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