Sensor zero
setting
1. If you want to measure small differential pressures
less than 500Pa, on the PFM 5001 measuring unit
should be set to zero.
2. Zero setting is achieved by
clicking on Sensor zero
setting in the menu.
3. Connect sensor to the
system, turn zero valve to
horizontal position and
continue by clicking OK.
4. Turn zero valve back to
vertical position and confirm
by clicking OK.
26 HEC
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