AquaLab 5 MENUS
Sensor
In the AquaLab Series 4TEV model only, this option indicates the
selected sensor type, either dew point or capacitance (The Series 4
and 4TE models are always dew point). Pressing Enter when the
Sensor option is highlighted allows you to change between a capaci-
tance sensor or chilled mirror dew point sensor for sampling with or
without volatiles, respectively.
Mode
Users may choose between single, continuous, or custom mode by
pushing the save button.
Single Mode: Single mode reads the sample once, after which the
instrument notifies you that it is finished and the water activity and
temperature display on the screen.
Continuous Mode: Continuous mode reads your sample until you
open the chamber lid or stop the test using the stop button. The
AquaLab reads the sample, displays the water activity and temper-
ature, then begins another read cycle without further input from
the user. Between samples, the machine signals you with beeps.
This mode eliminates the possibility of moisture exchange with the
environment outside the chamber in between readings. A time on
the bottom left of the screen tracks the cumulative read time. All
readings taken during continuous mode are saved on the instrument
memory if the autosave feature is selected (see Auto Save below).
If the AquaLab is connected to a computer using AquaLink 4 (see
21
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