The Mini-Roto Bin-Dicator is the most universal of all level sensing technologies and is the most popular level switch used in dry bulk materials. The Mini-Roto Bin-Dicator is a rotating paddle type, bulk material level sensor offered with a wide variety of paddle options for unequaled application versatility. It is easy to install and requires no special tools or calibration. The impact resistant injection molded Mini-Roto has been designed for use in small bins and hoppers where mounting space is at a premium. This compact and rugged level sensor includes adjustable sensitivity allowing it to be used in materials with densities between 5 lbs/ft3 and 65 lbs/ft3.