Siemens MASS 2100 Operating Instructions Manual page 44

Installing/mounting
4.2 Installation instructions
Gas applications
Horizontal installation
Installation in a drop line
Installation in a dropline is only possible if a pipeline reduction or orifice with a smaller cross-
section can be installed to prevent the sensor from being partially drained during the
measurements.
①
②
Figure 4-3
44
Orifice Pipe
Valve
Installation in drop line
Vertical installation (not recommended)
MASS 2100 & FC300 (FCT030)
Operating Instructions, 06/2017, A5E39789040-AA