FLUXUS F808, F809 12 Advanced measuring functions
120 UMFLUXUS_F808_8091V1-2-1EN, 2019-08-23
Two cut-off flow values for each calculation channel can be defined. They are defined in the unit of measurement of the
physical quantity selected for the calculation channel.
12.10.4 Measuring with calculation channels
Position the transducers for all activated measuring channels. The measurement will be started automatically.
Tab. 12.2: Physical quantity of the calculation channel
physical quantity of the
calculation channel
possible physical quantity of the
first measuring channel (ch1)
possible physical quantity of the
second measuring channel (ch2)
flow velocity
volumetric flow rate
mass flow rate
flow velocity
volumetric flow rate
mass flow rate
flow velocity x x x x x x
volumetric flow rate x x x x
mass flow rate x x x x
example: The difference of the volume flow rates of the channels A and B is to be calculated.
The physical quantity of the measuring channel A and B can be the volumetric flow rate or the mass
flow rate, but not the flow velocity. The physical quantities of both measuring channels do not need to
be identical (channel A = mass flow rate, channel B = volumetric flow rate).
Select the unit of measurement. Press ENTER.
All positive calculated values that are lower than the limit will be set to 0.
All negative calculated values that are greater than the limit will be set to 0.
The data logger can be activated/deactivated. Press ENTER.
Select program branch Measuring. Press ENTER.
Activate the necessary channels. Calculation channels are activated or deactivated in the
same way as the measuring channels. Press ENTER.
If a measuring channel that is needed for an activated calculation channel has not been ac-
tivated, a warning will be displayed. Press ENTER.
Mass in: ↕
kg/h
+Cut-off Flow
1.00 kg/h
-Cut-off Flow
-2.00 kg/h
Store Meas.Data
>NO< yes
par >MEA< opt sf
Measuring
CHANN: A B >Y< Z
MEASUR .
WARNING! CHANNEL
B:INACTIV!
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