Emerson Micro Motion SGM - Page 17

Table 2-3: Gas measurement when the primary process variable is molecular weight (continued)
Process variable to be reported
Process data provided
by the SGM
Required process data
from external devices
Required user-
specified values
Line density
Sample temperature
data from meter
(RTD)
(1)
Molecular weight
Line compressibility
External temperature
(2)
Line pressure
Line compressibility
NX 19
Sample temperature
(1)
Specific gravity
External temperature
(2)
Line pressure
% CO2
% N2
Molecular weight of air
NX 19 Mod
Sample temperature
data from meter
(RTD)
(1)
External temperature
(2)
Line pressure
% CO2
% N2
NX 19 3h
Sample temperature
data from meter
(RTD)
(1)
Specific gravity
Calorific value
External temperature
(2)
Line pressure
% CO2
% N2
Molecular weight of air
SGERG-88
Sample temperature
data from meter
(RTD)
(1)
Calorific value
External temperature
(2)
Line pressure
% CO2
% H2
% N2
Base compressibility
NX 19 Specific gravity
% CO2
% N2
Molecular weight of air
Base temperature
Base pressure
NX 19 Mod Specific gravity
% CO2
% N2
Base temperature
Base pressure
NX 19 3h
Specific gravity
Calorific value
% CO2
% N2
Molecular weight of air
Base temperature
Base pressure
SGERG-88 Calorific value
% CO2
% H2
% N2
Base temperature
Base pressure
Calorific Value AGA-5
Line density
Specific gravity
% CO
% CO2
% H2
% N2
Wobbe Index
Specific gravity
Calorific value
Configuration and Use Manual Orientation and planning
MMI-20020954 March 2021
Configuration and Use Manual 17