Conductive
7259
NEK - Compact Conductive Level Switches
The NEK series compact conductive level switch is an excellent choice for monitoring the level of conductive liquids in tanks.
1747
NE Conductive Level Switch for Liquids
The NE-Series can be used to monitor the level of liquids with a minimum conductivity of 20 µS/cm. The device works by measuring the electrical resistance between a sensing electrode and a ground reference