Operation manual of ZBL-R800, ZBL-R630, ZBL-C310A
Hotline: (86)010-51290405 Fax: (86)010-51290406
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Figure 3-19 Y direction scanning Figure 3-20 Y direction page-turning
3.4.2.5 Grid scanning
If it is X direction at first, the sensor is placed in the zero position
determined in pre-scanning(the starting point in figure 3-16) and
paralleled with tested rebar of Y direction.
Pressing
【
SAVE
】
key, a square cursor (hereafter referred to as
sensor cursor) occurs, showing the present displacement of
sensor(the displacement is relative one compared with coordinate
points in this page). then, scanning can be started in X direction
shown in figure3-17.
Moving sensor in a uniform speed, when the senor is closer with
rebar, scrollbar will lengthen gradually; the current thickness value
in the upper right will decrease accordingly. When sensor goes over
rebar, peep alarming, the tested rebar will be displayed in coordinate
(shown in pachytene in figure3-17).Thickness value of cover and
coordinates of tested rebar (the distance between rebar and the
starting point , unit :cm) will be displayed in the upper side of rebar
and the tested result will be stored simultaneously.
At the same time, when sensor continues moving forward,
instrument will measure the tested rebar consecutively; the tested
rebar and the tested data will be shown in corresponding position of
coordinate.
When the scanning distance goes over the range of each screen, it
will turn pages automatically shown in figure 3-18. The increase by
