Contents│ I
1 Introduction .............................................................................1
1.1 Information about this document...............................................1
1.2 Purpose.....................................................................................1
1.3 Intended use .............................................................................2
1.4 Safety information .....................................................................2
2 Product description ................................................................4
2.1 Operating principle ....................................................................4
2.2 Product variants ........................................................................4
2.3 Setup and features....................................................................4
2.4 LoRaWAN .................................................................................5
3 Preparing the logger ...............................................................6
3.1 Commissioning (overview) ........................................................6
3.2 Other requirements ...................................................................6
3.2.1 Registering the loggers with the LoRaWAN provider.............6
3.2.2 Availability check....................................................................6
3.2.3 Network information system for evaluating measurement
data ........................................................................................6
3.3 Screwing on the aerial...............................................................7
4 Installing the loggers at the measurement location ............8
4.1 General information on installation............................................8
4.2 Installing the SePem 351 ..........................................................8
4.3 Installing the SePem 351 HY ....................................................9
4.4 Using the installation adapter for SePem 351.........................10
4.5 Using a built-in aerial...............................................................10
5 Information for loggers in operation ...................................12
5.1 Unstable radio connection.......................................................12
5.2 Erroneously suspected leak ....................................................12
5.3 Reprogramming loggers..........................................................12
6 Appendix................................................................................13
6.1 Technical data .........................................................................13
6.1.1 SePem 351 ..........................................................................13
6.1.2 SePem 351 HY ....................................................................14
6.2 Accessories.............................................................................16
6.3 Declaration of conformity ........................................................16
6.4 Advice on disposal ..................................................................16
