Electric wall saw

The new Hilti DS TS20-E electric wall saw features high-frequency motor technology with HTC intelligent control to achieve top cutting performances. It is designed for use by concrete drilling and sawing service contractors for medium and heavy-duty sawing applications. HTC is designed to make full use of the electronic power available. Critical drive parameters are monitored and measured continuously while a digital control system calculates the optimum saw head advance speed.

http://www.us.hilti.com/holus/