Endress+Hauser Proline Prowirl R 200 - Page 98

Commissioning Proline Prowirl R 200 HART
98 Endress+Hauser
Dynamic viscosity
→  100
‣
Gas composition
→  100
Parameter overview with brief description
Parameter Prerequisite Description Selection / User
entry
Factory setting
Enthalpy type The following conditions are
met:
• In the Select gas type
parameter, the User-
specific gas option is
selected.
Or
• In the Select liquid type
parameter, the User-
specific liquid option is
selected.
Define which kind of enthalpy
is used.
• Heat
• Calorific value
Heat
Calorific value type The Calorific value type
parameter is visible.
Select calculation based on
gross calorific value or net
calorific value.
• Gross calorific
value volume
• Net calorific value
volume
• Gross calorific
value mass
• Net calorific value
mass
Gross calorific value
mass
Reference combustion temperature The Reference combustion
temperature parameter is
visible.
Enter reference combustion
temperature to calculate the
natural gas energy value.
Dependency
The unit is taken from the
Temperature unit parameter
–200 to 450 °C 20 °C
Reference density The following conditions are
met:
• In the Select gas type
parameter, the User-
specific gas option is
selected.
Or
• In the Select liquid type
parameter, the Water
option or User-specific
liquid option is selected.
Enter fixed value for reference
density.
Dependency
The unit is taken from the
Density unit parameter
0.01 to 15 000 kg/m³ 1 000 kg/m³
Reference gross calorific value The following conditions are
met:
• In the Select medium
parameter, the Gas option is
selected.
• In the Select gas type
parameter, the Natural gas
option is selected.
• In the Density calculation
parameter, the ISO 12213-
3 option is selected.
Enter reference gross calorific
value of the natural gas.
Dependency
The unit is taken from the
Calorific value unit parameter
Positive floating-
point number
50 000 kJ/Nm³