Is 150.20.39.122 the IP address of the remote PC, or the IP address of the datalogger? If it's the datalogger, why are you telling us about the remote PC? And, if you can connect directly to the datalogger remotely (through the web browser), then why can you not also use whatever the real-time data tools are to get the data remotely? Again, that sounds like the easiest approach to me, depending on how those tools work.
If you're insistent on trying to read the web page, then you need to look at (and post as an attachment to a forum message, maybe) the full HTML source of the web page. I've already suggested two ways (Internet Toolkit, and Datasocket Read) that you can retrieve the HTML in LabVIEW. Have you tried either of them? Even if they work, you'll still need to write LabVIEW code to find the values you want, which may not be trivial.
I'm still confused why you mention FTP in the subject but then say you're trying to retrieve data from a web page. Is your question, "How do I retrieve specific data from a web page?" There is no simple answer to that, since there are many ways to display data in a web page.
