The Paratester™ is a self-contained, battery-operated diagnostic tool used to test the electronic components of the stimulator/control unit, proper operation of the switch control modules, and the continuity and integrity of the leads and cables (see photo).
![](https://sigmedics.com/sites/default/files/styles/medium/public/field/images/paratester.jpg?itok=D_xUnmX0)