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
Type:DJ21
Introduction:
The rotary paddle level indicator DF21 is used in most bulk solids for full-, 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:
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 extension up to 1.000 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
48,24,12 V DC

Signalschalter

 

Signal contact

1mA 4V DC    2A / 250V AC

change-over contact, potential-free

Outputs

Relay output

 

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

Max 100 bar

ATEX

Dust Ex and Gas Ex

 

Process connection

Threats, flange and more

Aluminium or stainless steel

Material Housing

IP66

Aluminium or stainless steel

 

Extension (shaft and measuring blade)

Stainless steel

 

Sealing ring

NBR, VITON, PTFE, Graphite

Mounting position

any

 

Maintenance

none

 

The DF21 is a level limit switch for bulk goods such as powder, granulate, fine and coarse-grained. In different applications these DF21 indicates minimal or maximal fill levels reliably and precisely. Therefore it is used in many different industries:
 
The electromechanical level limit switch is to be used as full, empty and demand indicator.

For monitoring the filling level in:
Silos, bunkers,
containers, hoppers,
weighers,vessels,
discharge pipes etc.

For all bulk goods up to grain size: approx. 150mm
With bulk density: 0.01 t/m³ to over 2.0 t/m³.
Bulk goods such as, for example:
Dust, powder, grains, balls,
granulates, pellets, plates, foams,
chips, fibres, flux threads, feathers,
germs, roots, tubers, leaves,
sand, gravel, crushed stones and macadam.

Applications in all branches of industry:
Chemical, pharmaceutical,
petrochemical industry, breweries,
wine cellars, diaries, foodstuff and
feedstuff industry, seeds, agricultural
industry, varnish, paint, rubber, wood
and plastics industry, recycling,
environment technology, construction
and building material industry.
德国MOLLET固体测量产品应用领域

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