Page 3
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2104349 rev. AD
Parameters
Default
Value
Units
AGA-3
1985
AGA-3
1992
AGA-7
ISO-5167
Tap Type
Flange
Taps
Yes
No
No
Yes
Temperature Base (Tb)
60.0000
Degrees F
Yes
Yes
Yes
Yes
Viscosity
0.0103
Centipoises
Yes
Yes
No
Yes
Z of Air at Base Condition
0.9996
No
Yes
No
Yes
Fixed Cd
.6
No
Yes
No
Yes
Barometric Pressure
14.73
PSIA
Yes
Yes
Yes
Yes
K Factor (Vol. of Gas Per Pulse)
1.0
No
No
Yes
No
3.6.7 Alarm Limits
The user has the ability to set the G4 EX alarm limits for the parameters listed in
Table 3
–4. There are many purposes for setting these limits, i.e., controlling well
output or sending digital signals.
Table 3
–4 Alarm Limits
Parameter
Default Value
Units
AGA-3
1985
AGA-3
1992
AGA-7
ISO-
5167
Configurable
Dp High Limit
2047.9688
In H2O
Yes
Yes
N/A
Yes
DP Low Limit
0
In H2O
Yes
Yes
N/A
Yes
Flow Rate High Limit
1,000,000
SCF/Hr
Yes
Yes
Yes
Yes
Flow Rate Low Limit
0
SCF/Hr
Yes
Yes
Yes
Yes
RTD High Limit
420
Degrees F
Yes
Yes
Yes
Yes
RTD Low Limit
0
Degrees F
Yes
Yes
Yes
Yes
SP High Limit
2047.9688
PSIA
Yes
Yes
Yes
Yes
Uncorrected Vol High
Limit
ACF
N/A
Yes
Yes
Yes
Uncorrected Vol Low
Limit
ACF
N/A
Yes
Yes
Yes
3.6.8 Reset Volume
When the user resets the volume accumulator, the G4 EX will:
-
Store time, date and previous accumulated partial calc period volumes into
the historical record file.
-
Zero the remaining partial calc period accumulations.
-
Complete all computations for the present flow file daily records.
-
Begin a new flow file daily record.
-
Zero total volume accumulator, and log the event with an accumulator value
before zeroing out the accumulator.
Summary of Contents for XSeries G4 6200
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