Feerum S.A uses temperature monitoring system based on Dallas detectors. Probes hang on silo roof on special designed handles. Probe has a case consists of metal top header, wire with measuring sensors in casing cable and bottom header. Top header is used to vertical case installation in silo or container. Bottom header enables case hitching. Probe has ATEX Certificate which enable us to use it inside of silo where explosion hazard , zone 20 exists. Reading is possible through object control application or portable terminal (we can read maximum two probes from one module). The application allows to automatic air control inside of silos and enable data archiving.