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The rotary paddle level indicator DF24 is used in most bulk solids mainly for empty or demand-detection within silos and bins. The individual sensor configuration with a large number of options and a lot of accessories enables an accurate adaptation to any specific application.


Product Features

  • well suitable for very heavy impacts for example due to large bridge's collapse
  • expensive protection roofs no more necessary
  • ideal for silos with caking at the inner wall due to protection tube up to 500 mm maximum length
  • unaffected by pressure, temperature, dust, caking, and conductivity of material
  • to be used in all areas with potentially explosive atmospheres as well
  • versatile and universally applicable
  • fantastic price-performance-ratio
  • jib up to 1.500 mm maximum length with flange connection
  • high reliability
  • continuous operation without maintenance
  • easy installation


Further information on ATEX

Supply voltage
230, 115, 48, 24 V AC / 48, 24, 12 V DC
Signal contact
1mA / 4V DC … 2A / 250V AC
change-over contact, potential-free
Bulk goods temperature
-40 °C … +260 °C
Ambient temperature
-40 °C … +70 °C
Process pressure
-1 bar … 25 bar
ATEX approval
DustEx and GasEx
Process connection
Stainless steel
Housing IP66
Aluminium or stainless steel
Extension (shaft and measuring blade)
Stainless steel
Sealing ring
Mounting position
Technical data

The DF24 is a level limit switch with a long support tube and a reinforced blade shaft for bulk goods such as powder, granulate, fine and coarse-grained. In different applications these DF24 indicates minimal or maximal fill levels reliably and precisely. Therefore it is used in many different industries:



Our level control indicators are named in business magazins as paddle switches, rotary paddel switches, point measurement devices, level sensor, level switch or level control.