| 摘要 |
The invention relates to a filling level measuring device based on the principle of transit time measurement. An inventive filling level measuring device comprises an electronic unit (4) including a transmitting (9) and receiving means (10) for electromagnetic waves having a frequency of below 3 GHz, a process coupling means (5) connected to the electronic unit (4), which guides the transmitted signals onto the measurement distance, and guides back reflected signals to the electronic unit (4), and a high-frequency transformer (15, 16, 17, 18), to which the transmitting (9) and receiving means (10) and the process coupling means (5) are connected.
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