The Level Probes provides a rugged, safe, reliable and cost-effective means to measure liquid level for water and waste water pumping applications. The Level Probe may be ordered standard with one, three or ten electrodes with various spacings, two cable lengths, and come blue and white. We also make Custom Probes, with some exceptions. UL913 and Intrinsically Safe for use in Class 1, Groups A, B, C, D. Class II, Groups E, F, G. Class III, Hazardous Locations when installed with Intrinsically Safe Barrier, MPE Model ISB10, in accordance with the MPE Drawing 0303.