In one example, {HEAD ~ a flow conditioning insert} is provided for a main flow duct of {TAIL ~ a base body} in a mass flow meter 
In one example , { HEAD ~ a flow conditioning insert } is provided for a main flow duct of { TAIL ~ a base body } in a mass flow meter
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH