Within the next few days SimLab V2.3. will be published and will have a new Export file format, called *.zim.
This *. zim files can be used with the free "SimLab CAD Viewer" on the iPad.
App Store: simlab cad viewer
http://www.simlabforum.com/viewtopic.php?f=12&t=871

Moi -> SimLab -> iPad :-)