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Symptom
Velocity
reading
fluctuates
badly
Velocity
reading blinks
4000 fpm or
20.32 m/s
Display
indicates over
10 fpm (0.05
m/s) with
probe
retracted
Possible
Causes
The flow is
fluctuating
The velocity
exceeds 4000
fpm or 20.32
m/s
Sensor may
be damaged
Sensor may
be damaged
Corrective
Actions
Reposition the
probe in a less
turbulent section
of the flow or set
the RESPONSE
switch to SLOW
Use an alternate
method to
measure the
velocity
Contact TSI
Contact TSI
13
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