Replacement transmitter for TFA weather stations. Transmitter for use with TFA weather stations: 30. 3054 and 30. 3056. For the wireless transmission of water temperature. Solar pool transmitter with a measurement depth of 180 mm. Display with temperature reading. Maximum range: 50 m. Includes tool for opening the pool transmitter. TFA Dostmann. With over 1000 weather and measuring instruments, the German company TFA Dostmann is one of the leading companies in the industry in Europe. The TFA range is characterized by its own innovative technologies and exclusive designs, and is constantly being developed in collaboration with meteorologists, IT specialists, and designers.