Clone hdd before work some app

[wofoster]

Hello:

I have a 1Tb hdd with a lost partition. I was try recently some app like, getdataback, easyrecovery or testdisk unsuccesful.
Now, i´m looking for a soft. who permit me to make a image of the hdd damaged before test some other softwares.
In dont remember the software name, of course i was buy another hdd 1tb exactly referecene to clone the hdd.

Any idea about clone hdd damaged?

Thanks in advance.