Horizontally, KD11 impacter snout boasts three directions for user’s selection, namely
0
°
,45
°
and 90
°
. The user can select the direction of impacter snout at his own discretion.
When adjusting the direction of an impacter snout, just turn the body of impacter to the
designated position until a crack is heard. The specific method of adjusting the impacter
snout is shown in the figure below.
Setting the Measurement Mode
Rotation angle
：
90
°
Rotation angle
：
45
°
Rotation angle
：
0
°
Setting method can be referred to “Setting the Menu”. When the instrument is turned on,
the default measurement time of the instrument if 120s. The user can set the measurement
mode as required. 24s is recommended in the high concentration location (the
concentration is exceed 3.00mg/m
3
). It can reduce the times of cleaning the crystal. When
the measurement is taken indoors, 120s mode can be selected. It can assure to absorb
enough dust to deduce the error of the measurement. in a place with low concentration.
Then measurement can begin. User can use custom measurement mode when necessary.
(If in the clean room, measurement mode can be 240s or longer.)
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