Table 4-2: Derived variables
(continued)
Variable
Default 4 mA
Default 20 mA
External pressure
0.000 PSIg
1450.377 PSIg
Line density
0 g/cm3
0.4 g/cm3
User-defined calculation output
0
100
%CO
2
0 %
100.00 %
%N
2
0 %
100.00 %
%H
2
0 %
100.00 %
%CO
0 %
100.00 %
Table 4-3: Concentration measurement enabled
Variable
Default 4 mA
Default 20 mA
Gas purity concentration for curve 1
00.00 %
100.00 %
Gas purity concentration for curve 2
00.00 %
100.00 %
Gas purity concentration for curve 3
00.00 %
100.00 %
Gas purity concentration for curve 4
00.00 %
100.000 %
Table 4-4: Flow input enabled
Variable
Default 4 mA
Default 20 mA
Mass flow rate (calculated)
-200.00 g/sec
200.00 g/sec
Mass flow rate (external)
-200.00 g/sec
200.00 g/sec
Volume flow rate (calculated)
-0.42378 SCFM
0.42378 SCFM
Volume flow rate (external)
-0.2 l/sec
0.2 l/sec
Table 4-5: SGM default variables
Default variable
Output option A
Output options B and C
Primary Variable (PV), mA1
Sample Temperature
•
Specific Gravity for Calibration Set 1
•
Molecular Weight for Calibration Set 1
•
Relative Density
Secondary Variable (SV), mA2
Time Period B
Sample Temperature
Tertiary Variable (TV)
•
Specific Gravity for
Calibration Set 1
•
Molecular Weight for
Calibration Set 1
•
Relative Density
Sensor Time Period
Quaternary Variable (QV)
Drive Gain
Drive Gain
Introduction to configuration and commissioning
Configuration and Use Manual
March 2021
MMI-20020954
24
Micro Motion Gas Specific Gravity Meters (SGM)