Depth Perception Test

Depth perception is an instrument to test the driving aptitude of the
drivers how he perceives the vehicles in three dimension. There are three
rods of same height.The two rods at a distance of 30 mm from each other
are fixed permanently at zero level while the middle rod is movable
forward & backward .The subject sits at a distance of 1.5 meters away from
the unit & looks the rods through a window of 3?3 inches.The deviation
from straight alignment of the three rods which the subject assumes to be
correct is read on the Digital scale. The unit is illuminated by LED light.
Specifications :-
* Movement of rods with remote box switches. * Distance between 2 fixed rods 30mm.
* Range of movable rod ?180mm. * Length of remote switch wire 1.5 mtr.
* LED high intensity light in the box. * Power 220v AC operated