ABB Up/Down Liquid Level Relays are specifically designed to monitor the filling and draining of liquid levels within tanks. The units offer a switchable function (for filling or draining selection). Overflow or dry-running protection is also a selectable option. The units work by measuring the change in resistance sensed by a single-pole electrode.
Liquid Level Relays are used to monitor the levels of conductive liquids, and are available in Up/Down, Minimum, Maximum, and Fill/Empty variations. Liquid Level Relays are straightforward to install and safe to use.
Application Examples
Liquid Level Relays (Conductive Level Sensors) are used in a wide variety of applications including waste water management and the monitoring and management of corrosive liquid media, and designed specifically to provide for the:
Monitoring and control of liquid levels Protection of pumps against dry running Ability to detect liquid leaks in a system Control of media mixing ratios Control of liquid levels