Uni-T UT60E RS-232 Data Logging
http://perfec.to/ut60e/

For Windows but there are alot of information about the UT-xx protocols
http://www-user.tu-chemnitz.de/~heha/hs/UNI-T/

A interface project in C:
http://sourceforge.net/p/ut61/wiki/Home/

Ins and outs of UT61D
http://sigrok.org/wiki/UNI-T_UT61D