Density Meter LB 444 SECTION 2. SYSTEM DESCRIPTION
20
Relay No. 3 Setup:
Same as relay no. 2.
Solids density (0 - 9,999):
Enter the solids density (g/cm³) of the component to be measured (only for sus-
pension measurements). See also section 0 Calculating the Density of Individ-
ual Components.
Liquid density (0 - 9,999):
Enter the liquid density (g/cm³) only for suspension measurements. This is the
density of the carrier liquid or, with liquid mixtures, the density of the attendant
component.
Water TC desired? Yes/No
Only used for measurements of suspensions with water as carrier-liquid and
with temperature compensation (via PT 100 or current input).
When temperature compensation for water is selected, the automatic tempera-
ture compensation (TC1, TC2) is disabled and the temperature coefficient for
water used. In this case the next query is "Reference temperature". For more
information see section 6.1 Temperature Compensation and 6.5 Measurements
of Suspensions and Solutions.
Temperature coefficient TC1
Enter the linear temperature coefficient (999.999e
-99
to 999.999e
+99
). In case of
minor temperature changes (+/-20°C) this coefficient usually suffices (see sec-
tion 6.1 Temperature Compensation).
Temperature coefficient TC2
Enter the square temperature coefficient (999.999e
-99
to 999.999e
+99
). In case of
minor temperature variations > 20
o
C we recommend entering TC2 in addition
(see section 6.1 Temperature Compensation).
Reference temperature
Enter the reference temperature for the density, concentration or mass flow
measurement. If the actual temperature deviates from the reference tempera-
ture entered here, the measured density or concentration values are tempera-
ture corrected.
For more information on temperature compensation see sections 6.1
Temperature Compensation and 6.5 Measurements of Suspensions and Solu-
tions.
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