Thermal-mass gas metering: Proven for years, certified for the future

Figure 1: Thermal-mass measurement principle

Figure 2: Test setup used by NMi to investigate field-returned industrial meters manufactured by MeteRSit
Figure 3: Flow errors measured in a natural gas and b air for 35 EGZ G4 meters between Qmin and Qmax
Figure 4: EGZ G4 meters of the type measured in the study conducted by MEMS AG

Figure 5: The gas grid is expected to become more complex