Setting-up 9
Connecting an Optional Pitot Probe or Airflow (straight
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 Model 9565-P 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/Std Setup” menu. If no probe capable of
measuring temperature (plug in probe or thermocouple) is
connected, the“Temp Source” must be set to “Entered”. The
duct air temperature must then be manually inputted by the
user using the “Entered Temp” setting. If the “Temp Source”
is set to Probe or Thermocouple 1 or 2, and no probe is
connected, dashes (------) will appear on the display.
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