GE DigitalFlow GS868, Руководство для стартапов

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Initial Setup 2-3
March 2008
Activating a Channel
The
ACTIV
submenu permits selection of the desired measurement
method. In addition, it is used to activate/deactivate one or both of the
channels in a 2-Channel Model GS868.
1-Channel Meter
1.
Enter the
ACTIV
submenu by pressing
[F1]
at the
User PROGRAM
prompt.
2.
Press
[F1]
to activate the channel in
BURST
mode.
2-Channel Meter
1.
Enter the
ACTIV
submenu by pressing
[F1]
at the
Channel PROGRAM
prompt.
2.
Press
[F1]
(OFF) to deactivate the channel and return to the
Channel PROGRAM
prompt, or press
[F2]
to activate the channel in
BURST
mode.
1 and 2-Channel Meters
3.
Press
[F1]
to select Skan mode or
[F2]
to select Skan/Measure
mode. The meter will exit the
ACTIV
submenu and return to the
channel menu screen.
As indicated in the above prompt, the Model GS868 flowmeter can
take measurements in two different ways
Skan is a low resolution technique for locating the acoustic signal and
for high velocity measurements. It is more robust in a noisy
environment than the Measure technique.
Measure is a more precise technique best used for low velocity
measurements.
If Skan is selected at the next prompt, the instrument uses this
technique exclusively. However, if S/M is selected, the meter uses
Skan to find the acoustic signal and then tries to use the Measure
technique for a more precise measurement.
Proceed directly to the next section to program the
SYSTM
submenu.