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Level sensors

Level measurement and its evaluation play an important role in process automation. What if a tank of liquid overflows or runs dry?

Level applications can be solved by a variety of technologies. Find the one that is best for your application.

The optimum solution for every requirement.
  Technology Applications Sensor type Max. measuring range [cm] Analogue output Switching output Approvals More information
Impedance spectroscopy
in contact with the medium		 Alternative
to vibrating forks
Suppression of residues
and foam		 LMT, LMC - - + EHEDG, 3A, FDA,
EC1935, WHG*, ATEX, DNV/GL, FCM
 
Capacitive
in contact with the medium		 For overflow prevention
and leakage monitoring		 LI - - + WHG* Point level applications
Capacitive
without contact		 For the detection
through non-metallic
tank walls		 KG, KI, KQ 25 - +    
Capacitive
in contact with the medium		 For applications
on hydraulic and
coolant tanks		 LK, LT 73 + + WHG*  
Guided wave radar
in contact with the medium		 For industrial and
hygienic applications		 LR 200 + + EHEDG, 3A, FDA, EC1935, WHG* Configure your solution
Hydrostatic
in contact with the medium		 For industrial and
hygienic applications on
tanks and in free-flowing
waterways		 PG, PI,
PA, PS, PN,
PE, PM		 - + + EHEDG, 3A, FDA, EC1935, ATEX, DNV/GL, FCM  
Ultrasonic
without contact		 For long distances and
difficult surfaces		 UGT, UIT 800 + +   Continuous level applications
Photoelectric
without contact		 For long distances
Angle independent
measurement with
focused light spot		 O1D 980 + +    
Photoelectric 3D
without contact		 For bulk materials
For completeness
monitoring		 O3D 800 + +  
Radar
without contact		 For industrial and
hygienic applications		 LW 1000 + + EHEDG, 3A, FDA, EC1935, FCC, CRN, cULus, UKCA

 
*German Federal Water Act