PFlow Industries P118i, Руководство пользователя

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P118i Ultrasonic Flowmeter and Analyzer
Reversion: 3.0.0 Page 35 of 49
POS Totalizer
NEG Totalizer
Reset
If the user wants to delete all the already set
parameters and set back to the factory default,
select reset in this window and then the
flowmeter will reset to be the factory default
automatically.
Manual Totalizer
The manual totalizer is a separate totalizer. Press
to start, and press to stop it. It is used
for flow measurement and calculation.
Damping
The damping factor ranges from 0~999 seconds.
0 indicates no damping; 999 indicate the maximum
damping.
The damping function will stabilize the flow display.
Usually a damping factor of 3 to 10 is recommended
in most applications.
Low Flow Cutoff Value
If the flow rate falls below the low flow cutoff value,
the flow indication is driven to zero. This function can
prevent the flowmeter from reading flow after pump
shut down but there is still liquid movement in the
pipe, which will result in accumulative error.
Generally, 0.03m/s is recommended to enter as the
low flow cutoff point. The low flow cutoff value has
no relation to the measurement results once the
velocity increases over the low flow cutoff value.
Attention
This operation will cancel all the data and revert back to factory default. Be careful with this
operation.