TVC NFM3 - Flow Measurement

7
NFM3 Standard
NFM3 Advanced
2.4 Flow measurement
Select the required size nozzle and connect it to the NFM3 quick-
release tting. If required, use the extension hose.
Insert the arc welding torch nozzle into the NFM3 nozzle, ensuring
a good t. Make sure the NFM3 is unit switched ‘On’ and the correct
gas type is selected.
Press the ‘Gas Purge’ button on the arc welding set. Once the ow
has stabilised, read the ow in Litres per minute on the NFM3
screen. Once the gas stops owing, the NFM3 screen will revert to
the small screen and display the peak ow, this is indicated with a
‘PK’ next to the ow reading.