16 VelociCalc
®
/VeloCalc
®
Pro Air Velocity Meter 9600 Series
Zero differential pressure (9630, 9650, 9650-NB)
Duct traverse (9650, 9650-NB)
Defin itions
Out-of-Range
(Calibration)
An Out-of-Range error during the calibration of
a sensor means the sensor’s offset or
calibration slope adjustment has drifted outside
of the TSI
®
recommended specification for
continued use. Sensor should be replaced or
sent to TSI
®
for recalibration.
The time over which the data will be logged
while in Continuous Save mode. The test
duration can be set from 0 seconds 0 hours and
0 minutes to 99 hours: 59 minutes: 59 seconds.
If set to 0 seconds, 0 hours, 0 seconds, the
meter will not stop logging in continuous save
mode unitl the user presses the enter key.
Sample
Duration /
Time Constant
The sample duration / time constant is the time
period where data is collected and averaged to
produce a single value. For example, if the
sample interval / time constant is set to
5 seconds, each 1 second sample will be
averaged over the 5 seconds in a single value.
The sample interval / time constant can be set
to 1, 5, 10, 20, 30, 60 or 90 seconds.
The frequency that the meter will log data while
in Continuous Save mode.
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