Rotary blade level indicator - JIEKES, inline moisture meter, solid flow meter, dust monitor, weight and tape level transmitter, rotary blade level meter,sinus pinch valves etc.

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Name:Rotary blade level indicator

The rotary paddle level indicator DF11 is used in most bulk solids for full-, empty or demand-detection within silos and bins. The sensors can be adjusted to the requirements of many applications with a limited number of options and accessories.
Product Features
unaffected by dust, caking, and conductivity of material
to be used in areas with potentially dust explosive atmospheres as well
versatile and universally applicable
unbeatable price-performance-ratio
jib extension up to 2.000 mm maximum length
high reliability
continuous operation without maintenance
easy installation

The rotating measuring blade projecting into the vessel is driven by a gearmotor.When the bulk goods heap up to the level of the blade, this prevents the blade from turning and it comes to a standstill.A second switch turns the motor delayed off.Should the level of the bulk goods drop and the measuring blade can turn freely, a spring brings the motor back into its original end position. At the same time the motor is turned on again and the signal switch is reset. The return torque turns the fitted motor back from its end position and actuates the signal switch by a switching arm.

Supply voltage

230,115,48,24 V AC
24 V DC



Signal contact

1mA 4V DC   2A / 250V AC

change-over contact, potential-free




Switching output



Bulk goods temperature

-25°C ~ +80 °C +80°C


Ambient temperature



Process pressure

-1 bar … 25 bar -0.5bar~1.0bar to 100 bar on request


ATEX approval

Dust Ex


Process connection



Material Housing




Shafts and rope up to 2m length 

Stainless steel


Measuring blades

Stainless steel,plastics

Mounting position

any / vertical depending on design





The price worth and universal useable level limit switch DF11 fits for bulk goods such as powder, granulate, fine and coarse-grained. In easy applications these DF11 indicates minimal or maximal fill levels reliably and precisely. Therefore it is used in many different industries:
Empty indicator in a storage bin of a wood-pellet-fired central heating
Level control in a hopper for the extrusion filled with plastic powder
Flow control in drain pipes for coffee beans
Empty indication in bins for light and dry additives in the feed production


No download.

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