TVC NFM3 - Peak Reset; Data Logging (NFM3 Advanced Only); Mode 1

9
Follow the instructions and ensure that the correct measurement units box
is ticked (Item 4, above).
The date and time can be adjusted using this also (Item 5, above).
2.6 Peak reset
To reset the peak ow before taking another reading, press the ‘Reset’
button. The peak ow will immediately reset to zero, ready for the next
reading to be taken.
2.7 Data logging (NFM3 Advanced only)
The optional data logging facility records ow results and surge data on
the NFM3’s internal memory. Recorded data is downloaded from the
NFM3 via USB connection for direct import into the included data viewing
and reporting software.
There are two modes for data logging:
Mode 1
Quick ‘screen print’ of results.
Mode 2
Logs gas over a set time, taking a gas reading
every 20 milliseconds.
2.7.1 Mode 1
1
Switch on the NFM3 Advanced unit.
2
By default, the NFM3 is already in ‘Mode 1’. This provides
a quick ‘screen print’ of the results.
3
Once the gas ow has been read, the screen will display
the average gas ow, peak ow and gas consumed. To log
this on the NFM3’s internal memory, press the ‘Log’ button.