The Series DLR employs a high- and low-probe, useful in control applications which require maintaining the level of a liquid between two probe heights. Features include:115 VAC input; low-voltage, transformer-isolated sensing circuit; high- and low-level LED indicators; and 10-amp SPDT relay output. Its operating sequence is said to be suitable for either sump or fill operation.
Control Engineering Inc., 190 Doty Circle, West Springfield, MA. 01089. Tel: (413) 781-1330; Fax: (413) 732-3367.