Microwave Barrier LevelCheck 510M - 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:Microwave Barrier LevelCheck 510M
The LevelCheck 510M microwave barrier is used to monitor limit levels of solids in silos, containers, storage tanks, pipe systems, etc. Additional applications include: blockage reports, counting piece goods, or positioning objects. The systems are certified up to ATEX Zone 20 and optionally authorised up to a process pressure of 25 bar. The measurement process of the LevelCheck 510M is based on the newest microwave technology, whereby the transmitter sends out a microwave signal which is analysed by the opposite receiver. Material which builds up within this field attenuates its signal effect, and this is then converted into a switching procedure. The measurement is contactless. The sensitivity, signal attenuation and signal hysteresis of the microwave barrier can easily be set continuously and precisely using the bar graph display. This allows for a variable determination of the switching point or a switching process for different process parameters.

Main Benefits:
Reliablemicrowave measuringprinciple
Self-monitoring with additional relay
For level monitoring
Adjustable sensitivity, damping, hysteresis and filter function
Adjustment via 2 key buttons and bargraph
Easy installation by compact form
Process connection with flange, thread, etc.
The measurement procedure of the LevelCheck 510M is based on the newest microwave technology. Therefore the sensor sends out a microwave signal. The signal is analyzed by the opposite receiver. Material, which has built up within this field, put a damp on the signal effect. This is con-verted into a switching process. The measurement is contactless. Sensitivity, signal damping and hysteresis of the microwave barrier can be adjusted continuously and exactly by use of the bargraph. This enables a variable determination of the switching point resp. a switching process for different process applications.The installation can be carried out within silos, bunkers, pipe systems or at similar transport facilities.The assembly is simple, economical and easy possible also afterwards.
Technical Data:Structural dimension:

Housing material

Stainless steel


Sensor surface

Teflon (optional ceramic)

Protection class


Ambient temperature

-20° C to +70° C

Process temperature

-20° C to +90° C

Process pressure 

2bar ( optional 25 bar )

Power supply

18~36V DC

Current consumption

Ca. 80 mA at 24 VDC

Transmitting power

<20 dBm

Output (switching)

2x Relay output (change-over contact, pot.-free) optional transistor

Switching voltage

110V DC / 125 V AC

Switching current

1A,110V; 0,5 A,125 V AC

Switching power

30W / 35 VA

Electr. connection

Screw terminals (behind a screw cap with cable gland)

Adjustable parameters

Sensibility, filter time,hysteresis


via key buttons and switch


Zone 20 and Zone 1 


LED green (power supply) LED orange (switch) Bargraph

The microwave barrier LevelCheck 510M is designed for level monitoring of solids in silos, container, bunkers, shafts, etc. Furthermore it can be used for: blockage-report, for counting piece goods or for positioning items. The devices are certified up to ATEX Zone 20 and optionally authorized for a process pressure up to 25 bar.

Scope of use:
Animal feed industry,  Building materials industry, Production of ceramics,  Chemical industry,  Detergent industry,  Food industry, Glass production,Metal production; Pharmaceuticals, Pigment production, Power plants, Production of rubber goods, Recycling industry, Synthetic materials,  Production of textiles Etc.

 Closed environment like metal silos :    Power plants:
 High vibration and hazardous areas:    Syetem positioning:

Field application of LC510M:

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