8 VelociCalc
®
/VeloCalc
®
Pro Air Velocity Meter 9600 Series
Connecting the Static Pressure Probe
The static pressure probe
included with differential
pressure capable meters is
connected to the “+” port using
the included tubing. The static
pressure probe is used to
measure the duct static
pressure and features a
magnet which holds the probe
to the ductwork.
Connecting an Optional Pitot Probe
When connected to a pitot probe, air velocity or air volume can be
measured. A pitot probe can be connected to the “+” and “-” pressure
ports on the pressure capable VelociCalc
®
meters using two pieces of
tubing of equal length. The total pressure port of the pitot probe
connects to the “+” port on the meter, and the static pressure port of
the pitot probe connects to the “-” port on the meter.
The pitot velocity needs a valid temperature to perform the standard
or actual velocity correction. This is accomplished in the
“Actual/Standard Setup” menu. If a thermocouple is plugged in, the
meter will use the temperature reading from the thermocouple. If no
thermocouple is plugged in, the meter will use the setting saved in
the “Actual/Standard Setup” menu.
For more information on entering the temperature manually, refer to
Chapter 4, Actual/Standard Setup section of this manual.
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