8 SAMPLE PREPARATION AquaLab TDL
to rise or fall until the temperature stabilizes. When the tempera-
ture stabilizes within an optimal one or two degrees of the chamber
temperature, you can proceed with normal measurements.
High-water activity samples that are warmer than the chamber tem-
perature can cause condensation inside the measuring chamber, which
adversely affect subsequent readings. A warning message appears
(Sample too hot) if the sample temperature is more than 4
◦
C above
chamber temperature. If this message appears, immediately remove
the sample from the instrument, place a lid on the cup, and allow
the sample to cool to within 4
◦
C of the instrument before measuring.
Samples that are lower than 4
◦
C of the instrument temperature
cause longer read times. The sample temperature must be within
one or two degrees of the chamber temperature before you can take
fast and accurate readings.
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