General purpose AC or DC powered level controller displays engineering units with one 4-20 mA level transmitter input and is offered in three configurations with optional 2 or 4 programmable relays, and an isolated 4-20 mA repeater. Each relay can be configured on a single set point (high level alarm or low level alarm) or latched on two set points for automatic fill or empty in simplex (one pump or valve) or duplex (two pumps) level control modes.
LED main display and secondary unit display with relay status. Isolated power supply to sensor with optional 4-20 mA repeater. Capable of displaying units in gallons, liters, inches, feet, meters or percent of liquid. Add 2 or 4 relays to control tank pumps, valves or alarms. Add repeater output to repeat the 4-20 mA signal to another PLC, SCADA or display.
LI55-1011, LI55-1211, LI55-1411 includes a 4-20mA Repeater