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Is the U3 for me - HV/LV? - Newbie


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#1 andrenz

andrenz
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Posted 13 May 2015 - 01:14 PM

Hi

 

I want to see 'realtime' temperatures for k-type sensors and record the information.  Additionally I want to run4 sensors at once and not have a whole heap of meters.  

 

One day I would like to PID the heat elements so want to make sure that this will be ok for me going forward too.

 

is the U3 ok for my purposes and should I go HV or LV - whats the difference?



#2 LabJack Support

LabJack Support
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Posted 13 May 2015 - 03:46 PM

If you can use a silicon temperature sensor, then the U3 might be great for you:

 

http://labjack.com/s...erature-sensors

 

... but with thermocouples you usually want to go with the U6 or T7:

 

http://labjack.com/s...s/thermocouples

 

 

 

How will you control the heat elements?  Analog output or PWM?  If PWM, what frequency would you need?

 

 

 

On the U3-HV, compared to the -LV, the first four flexible I/O are fixed as analog inputs (AIN0-AIN3) with a nominal ±10 volt input range.

 

http://labjack.com/s...users-guide/2.5

 

http://labjack.com/products/comparison




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