Raquel Posted January 23, 2008 Report Share Posted January 23, 2008 Hello everyone, I am trying to read temperatures from thermistors with labview. however I can not read the right temperatures since I know that the real tempertures are about 10ºC and 30ºC, and labview is reading negative tempertures! can anyone tell what can I be doing wrong? Thanks Raquel Quote Link to comment
Tim_S Posted January 23, 2008 Report Share Posted January 23, 2008 QUOTE(Raquel @ Jan 22 2008, 06:42 AM) Hello everyone, I am trying to read temperatures from thermistors with labview. however I can not read the right temperatures since I know that the real tempertures are about 10ºC and 30ºC, and labview is reading negative tempertures! can anyone tell what can I be doing wrong?Thanks Raquel You've not included anything about the hardware you're using nor any code, so it's not really possible to provide any useful advice. Tim Quote Link to comment
Raquel Posted January 24, 2008 Author Report Share Posted January 24, 2008 QUOTE(Tim_S @ Jan 22 2008, 01:02 PM) You've not included anything about the hardware you're using nor any code, so it's not really possible to provide any useful advice.Tim Hello everyone. I am doing a project in which I have to measure and write the temperature from to diferent places with thermistors. I am using as software LabView 7.1 and as hardware a data aquisition system NI DAQPad-6016. The thermistors that I am using can measure temperatures from 0 to 100ºC and they are PTC tipe. I have done the v.i for my project and I can measure and write the temperatures, however the values which it apears in the file are negative temperatures, and I know that the temperature in those two difrent places are between 5 and 20ºC. Since I am a Labview Beginner I would like to ask the following questions: 1 - When I choose the thermistors as the equipemnt which is connected with the NI DAQPad-6016, it apears two tipes of Thermistors: iex thermistor or vex thermistor. what is the diference between them and which should I choose? 2 - Despite that, I have to write values for the A, B and C constants. Do you know how can I calculate them? 3 - And what is iex value that it ask for? 4 - finally but not least I have also the Labview 8.2 student edition. Should I be using this one in steed the labview 7.1? I hope that you can help me. Best regards Raquel Quote Link to comment
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