Proline Prowirl 73 Description of device functions
Endress+Hauser 161
Z-FACTOR (OTHER) Prerequisite
The function is only available if OTHER was selected in the GAS TYPE 1 to 8 function
(ä 160).
Description
Use this function to enter the real gas factor (compressibility factor) for the OTHER
option.
The factor can only be entered as a fixed value and not as a function of the temperature
and pressure.
If OTHER was assigned several times in the GAS TYPE 1 to 8 function, the sensor
calculates internally on the basis of the sum of these parts.
User input
5-digit floating-point number
Factory setting
• As per the parameter printout supplied with the device if Prowirl 73 was ordered with
a preprogrammed mixture.
• Otherwise "1" is the factory setting.
REFERENCE Z-FACTOR
(OTHER)
Prerequisite
The function is only available if OTHER was selected in the GAS TYPE 1 to 8 function
(ä 160).
Description
Use this function to enter the reference real gas factor (compressibility factor) for the
OTHER option.
The factor can only be entered as a fixed value and not as a function of the temperature
and pressure.
If OTHER was assigned several times in the GAS TYPE 1 to 8 function, the sensor
calculates internally on the basis of the sum of these parts.
User input
5-digit floating-point number
Factory setting
• As per the parameter printout supplied with the device if Prowirl 73 was ordered with
a preprogrammed mixture.
• Otherwise "1" is the factory setting.
REFERENCE DENSITY
(OTHER)
Prerequisite
The function is only available if OTHER was selected in the GAS TYPE 1 to 8 function
(ä 160).
Description
Use this function to enter the reference density for the OTHER option.
The appropriate unit is taken from the UNIT DENSITY function (ä 104).
User input
5-digit floating-point number, with unit
Factory setting
• As per the parameter printout supplied with the device if Prowirl 73 was ordered with
a preprogrammed mixture.
• Otherwise "1" is the factory setting.
CHECK VALUES Prerequisite
The function is only available if an error has occurred with the mole-%.
Description
MIXTURE NOT 100 % appears on the display if the values entered do not total 100%.
Check and correct the entries and save them in the function SAVE CHANGES
(ä 162) by confirming with YES.
Display
MIXTURE NOT 100%
Function description, GAS MIXTURE group