GE DigitalFlow GC868 Programming Manual page 49

Panametrics gas clamp-on ultrasonic flowmeter, 1-channel
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April 2008
Setting Skan Parameters
Synchronizing Meter
Transmissions
1-40
SKAN
In the
option, you can activate and set parameters for a negative
peak percent for both the Skan measurement technique (in the
submenu) and the Skan portion of the Skan/Measure technique. When
negative peak percent is active, the GC868 searches for the maximum
negative peak before the positive peak, and then calculates the T at
both negative peak percents entered; these times are averaged for the
T measurement.
IMPORTANT:
SKAN
The
applications. Before changing any of these
parameters, consult the factory.
[F3]
1. Press [→] and
to enter the
[F1]
2. Press
if you do not want to Use Negative Peak, or
activate negative peak. (If you press
ADVAN
window.)
3. Enter the Minimum Negative Peak % from -100 to -10%, and
[ENT]
press
.
4. Enter the Maximum Negative Peak % from -100 to -10%, and
[ENT]
press
.
The GC868 returns to the
TRANS
The
(Transmit) option appears only if an alarm card has been
installed in the GC868. It allows the GC868 and its transducers to
operate synchronously with another meter on the same flowcell.
When triggered, the alarm card can close a relay when the other meter
is transmitting, to prevent conflicting signals.
[F4]
1. Press [→] and
to enter the
[F1]
2. Press
if you do not want to activate the Gate Alarm, or
activate the alarm.
default settings are suitable for most
SKAN
option.
[F1]
, the GC868 returns to the
ADVAN
window.
TRANS
option.
Programming Site Data
ACTIV
[F2]
to
[F2]
to

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