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The rotary paddle level indicator DF26 is used in most bulk solids mainly for full-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

  • pendulum shaft up to 1.500 mm maximum length
  • no buckling of the shaft due to integrated bend protection
  • 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
  • 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 … +500 °C
up to +1200 °C on request
Ambient temperature
-40 °C … +70 °C
Process pressure
-1 bar … 25 bar
up to 100 bar on request
ATEX approval
DustEx and GasEx
Process connection
Threats, flange and more
Aluminium or stainless steel
Housing IP66
Aluminium or stainless steel
Extension (shaft and measuring blade)
Stainless steel
Sealing ring
Mounting position
Technical data

The DF26 is a level limit switch with pendulum shaft for bulk goods such as powder, granulate, fine and coarse-grained. In a lot of applications these DF26 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.