The cone sensor must to be exposed to the material. The bulk goods, being dumped beside the pendulum, move the pendulum more aside as the filling level increases. This movement, approximetly 10 of the rod- sensor, activates the switch for the full indication.
When the filling level falls, the pendulum moves back in the vertical position and the switch is disengaged.
The model MS SR has a regulation system by a spring that allows the adjusment of the sensitivity. Tightening the regulation nut to reduce the sensitivity and increase the strain of the material to activate the microswitch. Clockwise insensitive.
Drill 4 holes in the steel plate built it in the top of the silo or vessel and mount the indicator using screws, rods, fasteners or nuts M6 making sure of the verical position of the rod and ensure that the device is at same level of the silo ground.