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4.2.2. Submenu „Stability factor“ - „* STAB“
After starting a measurement, the analysis phase of the aw measurement is
activated. The observation time, during which the aw-value variation has to be
< 0.001 a
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can be optimised for each sample. This is, together with a constant
temperature during the measurement, the most important criteria for an
accurate, reliable and stable value.
„MODE“
S
(slow) :
Mode for samples with slow humidity exchange. Stability time is fixed at 6 min
setting.
A (average) :
Mode for samples with average humidity exchange. Stability time is fixed at
4 min setting.
F (fast) :
Mode for samples with fast humidity exchange. Stability time is fixed at 2 min
setting.
0
Mode for manual stability factor setting. The observation time can be set
between 1 and 30 min. under the submenu „OSBTIME“.
„
—“
No mode defined. When the measurement starts the user is asked about the
mode to be used.
Note:
If the „Autostart“ function is activated, the user is asked about the wanted
stability mode immediately after closing the measurement chamber.
„OBSTIME“
If mode „0“ is selected, the stability time can be set manually. The „Observation
time“ time range is 1.... 30 min.
„AUTOST“
If the Autostart function is selected, the measurement starts immediately after
closing the measurement chamber. No other button has to be pushed. The
lastly used stability mode is kept.
Exception see „Note“ under Mode „—“.
„BEEPDUR“
Setting of the duration of the acoustic signal once the stability has been
reached.
Acoustig signal („beep“) at stability :
Duration of the acoustic signal („beep“) : 0...10 min; 0 = OFF
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