Littelfuse® LLC54BA Adjustable Liquid Level Controller, 0 to 100 kOhm Sensing, Dual Probe Sensing Method, <1 s Response, Electromechanical Relay Output, 120 VAC

The LLC5 provides dual probe conductive liquid level control in a convenient octal plug in package. Models are available for fixed fill or drain operation. Isolated, pulsed DC voltage on the probes prevents electrolytic plating. Less than 1 mA of current is used to sense the presence of conductive liquid between the probes and common. On adjustable units, the sensitivity adjustment eliminates false tripping caused by floating debris and foaming agents.