Data Logger and Management1. Hermann Sewerin GmbH SePem 155SePem 155 data loggers from Hermann Sewerin GmbH are suitable for mobile use and can also be used for the stationary monitoring of water supply networks. The SePem 01 Master, with its simple and intuitive menu navigation, provides fast and reliable results and can also be reliably operated by less experienced users. The measuring times and periods of radio activity are freely programmable. In a pipe network, water loss caused by a number of smaller leaks added together is likely to be considerably higher than the loss caused by a few spectacular pipe bursts visible on
