7.5
DENSITY FUNCTION
The density function allows the user to determine the density value of solid or liquid
substances. The determination is based on Archimedes' principle that a body immersed in a
liquid receives an upward thrust equal to the weight of the volume of the displaced fluid. For
the determination, you can use a below balance weighing balance (if present in the scale or
the "optimal density weighing kit" to place on the weighing plate.
To access the function from the "Functions" menu, tap the "Density" icon.
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Select the mode:
Liquid density: when selecting this type of
measure, you will be required to enter the
solid density value (g/cm3) to be used to
determine the density of the liquid.
Then tap the "Start" button to proceed with
the measurement.
Solid density: when selecting this type of
measure, you will be required to enter the
liquid density value (g/cm3). If using
distilled water or ethanol, select the
relevant item below and enter only the
liquid temperature value. The density of the
selected liquid at the entered temperature
will
automatically
reference tables are stored inside the
balance).
Tap the "Start" button to proceed with the
measurement.
Density index: by selecting this type of
measurement, you can determine the
difference in density as a percentage
between two solid samples. (One solidified
at room temperature and the other under
vacuum).
The density index can be determined by
measuring the density value for both
samples, or by using the "theoretical
density" value for the sample solidified at
room temperature and measuring the
density value only for the vacuum sample.
In this case, you need to tap the
"Theoretical density" key to enter the
value.
Then tap the "Start" button to proceed with
the measurement.
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be
entered.
(The