9 Measurement
9.1 Enabling the HPI measuring mode FLUXUS H721
2022-05-15, UMFLUXUS_H721V1-5EN
100
If On is selected, the following menu items are displayed:
• Enter the temperature according to the local reference conditions (default: 20 °C).
• Press ENTER.
• Enter the pressure according to the local reference conditions (default: 1 bar).
• Press ENTER.
• Select the channel for which the HPI measuring mode is to be parameterized.
• Press ENTER.
The fluid selected in the program branch Parameters will be displayed.
• Press ENTER.
global inputs:
• reference temperature: 20 °C
• reference pressure: 1 bar
• channel: Y
• source item: API gravity (recommended: = physical quantity)
• method for volume correction (see Tab. 9.1 and Tab. 9.2):
– CTL calculation: Density
– CPL calculation: Without (pressure is selected automatically according to the density)
• number of fluids: 4
• min. range distance: 0.01
global inputs from SuperUser mode:
• fluid change time base: 1 min
• fluid change damping: 10 s
Inputs for each fluid in the fluid table:
from SuperUser mode:
• selection of the volume correction method (if necessary, overwrites the global selection): not selected here
• fluid specific calibration factor: not selected here
Special functions\Measurement\Measurement modes\...\Reference temp.
Special functions\Measurement\Measurement modes\...\Reference pressure
Special functions\Measurement\Measurement modes\...\Select channel
no. name API gravity volume correction
1 Fuel oils 17…22 °API CTL: density; CPL: automatically
2 Crude oil 30…45 °API CTL: density; CPL: automatically
3 Gasolines 47…65 °API CTL: density; CPL: automatically
4 naphtha 70…55 °API CTL: density; CPL: automatically
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