Alarm Threshold; Setting The Alarm Threshold - Wohler HBF 420 Mode D'emploi

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Device
4.5

Alarm threshold

4.5.1
Setting the alarm
threshold
48
Two alarm thresholds can be set on the instru-
ment to facilitate rapid assessment of the moisture
content of the material. The setting is displayed on
a 3 -colored LED (see fig. 1, part 5).
The following statuses are possible:
1. Indicated value < Al1:
2. Indicated value ≥ Al1 and < Al2:
3. Indicated value ≥ Al2
NOTE!
The visual alarm makes it possible to quickly de-
tect critical areas, in particular when taking mois-
ture profile measurements using the dielectric
probe.
After switching on the meter press the Set key
(1) four times to bring up the menu for setting
the alarm threshold.
HINWEIS!
After having pressed the Set-key. wait approx. 2
seconds before you press it again.
"Al 1" and subsequently the setting for the lower
alarm threshold relating to the relative humidity
will be displayed. Furthermore the symbols of the
chosen measurement mode will appear (see
chapter 3.3).
green
yellow
red

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