Can’t change Thermocouple Type

Supporting 10.7 and up
adamgud
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Can’t change Thermocouple Type

Postby adamgud » Sat Jan 26, 2019 11:26 am

Hello there, I am using a Phidget 4 temp sensor 1048 and am having issues changing my thermocouple type within the control board. Its default is set to k-type but I have J-type thermocouples. When I change the thermocouple type from the drop down menu, it defaults back to K-type, resulting in an inaccurate temperature output.(several hundred degrees)
How do I change thermocouple types correctly?

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mparadis
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Re: Can’t change Thermocouple Type

Postby mparadis » Mon Jan 28, 2019 12:00 pm

Are you saying that the thermocouple type changes back immediately after trying to change it, or do you mean it changes back the next time you close and re-open the Control Panel window?

If it's the latter case, this is normal behaviour since the 1048 has no on-board memory to remember which setting was selected. The Control Panel example for the 1048 defaults to K-type because it's the most common type. If you want to use J-type by default, you can write a program that sets the thermocouple type as soon as the program is started.


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