To obtain temperature versus time graph

[altenbach]

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@esliboat wrote:

Trying to monitor the temperature changes in a sample, for a given period of time.

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Most people here cannot open VIs in LabVIEW 2025. I recommend to do a "save for previous" (2019 or below) and attach again. You still have not described your hardware.

[esliboat]

Thermocouple type K

• Model: NI 9211

• Number of Channels: 4 (Differential)

• Thermocouple Compatibility: J, K, T, E, N, R, S, B

• Connector Type: Mini thermocouple connectors

• Cold Junction Compensation (CJC): Built-in

• TC +- 80mV DIFF

[altenbach]

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@esliboat wrote:

Thermocouple type K

• Model: NI 9211

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This is not an academic product and this discussion belongs elsewhere, not in the "Academic Hardware Products (myDAQ, myRIO)" forum. I'll move the thread once I know where it should go. What is the chassis containing the NI 9211?.

(Sorry, I don't have and drivers installed, so I cannot look at your express VI configuration)