The document provides technical information on the Proline Promag L 800 electromagnetic flow measuring system, highlighting its suitability for water applications with a minimum conductivity of ≥50 μs/cm. It details the device's features such as bidirectional measurement, battery life of up to 15 years, GSM/GPRS communication for remote data transmission, and its compact design. The document also includes specifications on installation, operation, and maintenance, ensuring reliable performance across various conditions.