The level indicator observes the filling level as a limit switch in silos and vessels. It can be used as a full and empty indicator for dusty and powdery, granulated and grainy bulk goods with a maximum grain size up to 100 mm and with a bulk density of 0.3 to 3 t/m3.

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 o 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-1 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 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.


Approximate measures given in mm.

Technical data

NamePendulum level indicator
TypeMS-1 – ref: 2305
MS-1 SR – ref: 2306
Rod lenghtStandard 500 mm
(Other lengths under request)
Product density0,3 t/m3 – 3 t/m3
Maximum pressure+0,5 bar
Cable entryM20x1,5
Switching voltage250 V AC
Switching function 1 NO + 1 NC
Capacity of the contact15 A / 250 V AC (for resistive loads)
For inductive or capacitive loads
Bulk good temperature-25° C – +80° C
Ambient temperature-20° C – +70° C
Type of protectionIP66 according to DIN EN60529
Weight1,15 Kg
HousingAluminium, RAL 7001 coated
(Under request Stainless Steel)
(Under request Stainless Steel probe)
Folding bellowNBR

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