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AN701 SCM7B Thermocouple Modules and CJC

From Dataforth Corporation
 

 

When SCM7B37 thermocouple modules are used to measure temperature, the measured output voltage must often be converted back to temperature. This is readily done with the SCM7B37 series because Cold Junction Compensation (CJC) is incorporated into the module and SCM7B backpanels.

When the SCM7B47 thermocouple modules are used to measure temperature, the measured output voltage is also often converted back to temperature. This is readily done with the SCM7B47 series because, like the SCM7B37 Modules, Cold Junction Compensation (CJC) is incorporated into the module and SCM7B backpanels. However, unlike the SCM7B37 Modules, the module output voltage is a linear representation (Y = M X + B) of the input temperature.


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