TR-50U is a Communication Port to download data measured and recorded by Thermo Recorder TR-51i/51S and/or TR-52i/52S to your computer.
The collected data can be downloaded to your computer via the included software "Thermo Recorder for Windows (TR-5,7xU)" where you can use the software to create colorful graphs , tables, export text files, as well as manage files and control printing.