Nivelco 	sensor 		level sensor 	bulk solids 	liquids 	acid 	caustic 	
process control 	automation 	chemical 	materials handling 		powder storage 		
powder transport systems	dense phase		lean phase		dilute phase		
level sensing		level switches		
hazardous materials		hazmat		waste		wastewater

high performance	industrial	reliability	hazardous	non-contact		
non-invasive

ultrasonic	RF capacitance		magnetic coupling	magnetic tracking	hydrostatic		
radar		vibration	buoyancy