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Collecting Calorimetric Data and Determining Delta Temperature - Thermogram Analysis

by: Member
‎06-22-2021 02:11 PM

Products and Environment

This section reflects the products and operating system used to create the example.

To download NI software, including the products shown below, visit ni.com/downloads.

    Software

  • LabVIEW 2020 SP1

    Operating System

  • Windows

Code and Documents

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Description

The program collects temperature data from a Parr 6772 Calorimetric Thermometer using a RS232/USB adapter connected to the printer port of the device.
The data is graphed versus time as it is acquired.
When acquisition is completed the time/temperature data is saved and analyzed.
The analysis is conducted by using 4 cursors. Two are used to define the pre-reaction period and two are used to define the post reaction period.
The points in the pre-reaction and post-reaction periods are fit to linear functions.

The difference between the pre-reaction and post-reaction fits at the mid-point between the end of the pre-reaction period and the start of the post-reaction period is Delta-T.

The program can also be used to analyze previously acquired data.

Example code from the Example Code Exchange in the NI Community is licensed with the MIT license.

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