Designed for instances where installation atop bins, tanks, or silos is not possible, SmartBob HM features rigid extension, custom-made from 12–36 ft long, that permits installation on bin's side through 4 ft opening. Level measurements, taken at pre-determined time intervals at location directly below probe, are sent directly to control console or eBob software installed on PC. Weight-and-cable based level sensor is listed for Class II, Groups E/F/G and enclosure types NEMA 4X, 5, and 12.