User Manual

P/V/F
7. Operation
7.1. Measuring Pressure
The Primary Display number is Pressure value, the device measures Gauge/Differential Pressure
± 5000Pa, it features 5 selectable units of measure: PSI, mbar, Pa, inH2O, mmH2O.
1. Press to enter the pressure mode and press to select unit.
2. Connect a single hose to the "Input (+)" port, leaving the "Ref (-)" port unconnected.
MAX
MIN
P/V/F
3. With the tubing open to ambient conditions press and hold for 2 seconds to zero out
the display.
4. Place the input hose in a different zone than the Meter.
5. The Meter displays the differential pressure of the input zone with respect to the reference
zone.
For instance, a positive reading means that the input zone is positively pressured with respect
to the Meter location or its reference zone.
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