I just don't see the use for this gadget for a couple of reasons:
It is a dust collector itself and can introduce dust into the camera while one looks at the sensor, or just has the lens off longer.
I will need to shoot an image to check the sensor anyway, when I think it is clean. So it's no big deal to shoot images after each cleaning. The proof of the pudding is in the image, not in what I can see with SensorScope.
Michael Canyes