Field Temperature Transmitter TTF300, TTF300: Basic model of the field temperature transmitter., H1: Version with communication protocol HART., C: Input sensor type (possibly configurable for RTD (Pt100) or thermocouples)., 2: Indicates configuration, possibly for use with Two sensors (with the possibility of redundancy or drift monitoring)., P: It could refer to the type of output or other specific characteristics, not immediately deducible without the manufacturer's full matrix., BF: Field-mount enclosure type in Die-cast aluminum., EM: Additional features, possibly related to EMC or specific wiring/terminal block options., GHE: It may specify the type of approval or certification for hazardous locations (e.g., ATEX, IECEx) or other safety options. TTF300 devices have global approvals for use in Zones 0, 1, and 2., K2: Mounting kit, probably for wall or pipe installation., T0: It may refer to the display option or another minor specification.