9ENG8008 GFM436 User Manual
9 Pressure Readings
9.1 Connecting the Gas Flow Pipe
The GFM436 will measure Flow, Peak Flow, DP and AP at the same time. This requires a connection to be made to
the Flow in port as shown in the diagram above.
The Flow Sample pipe is the section of pipe without the filter. This can be separated from the Gas Sample pipe at
the quick release coupling.
Connect the male fitting to the "Flow In" connection.
Press the right soft key to begin sampling.
Zero the readings by pressing the Middle Soft Key (Zero)
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