: Start by identifying the 10-inch pear head ratchet .

: Use a utility like WinRAR or 7-Zip to open the "54126.rar" file.

: Plug the logger into your PC via USB to set the recording intervals and start times as outlined in the DeltaTRAK product guide.

If the file contains a , it refers to an electronic device used for tracking temperature during shipping. "Putting it together" in this context refers to software setup:

: Look for a .exe file or a PDF user guide inside to install the configuration software.