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