© 2017 Proceq SA
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or push A and B simultaneously on the probe. The cursor jumps to
the next measuring row, either to the start line or remains at the end
line, depending on whether “Return to start on new line” is set or not.
Changing the cursor position works like in the Single-Line Mode (tap
and drag the cursor or use the Skip button). At the start of each line
you may change the probe direction (e. g. when measuring on a wall
along the bottom line close to the slab).
• Tap on 10.The arrow in the probe cart symbol changes from
to
.
For the next line you may change back to
.
NOTE! By changing the setting “Line Height” during the
measurements the height of all lines including the ones al-
ready measured will change and hence, also the line posi-
tions. Change the line height only if it was previously wrongly
At each rebar you may measure the rebar diameter. At the end, set
one common diameter, normally the smallest one (see “3.2.4. Practical
Hints”).
When displaying the Cover values in the color palette the range is defined
by the Minimum and Maximum Cover values used in Settings.
When displaying the Diameter values in the color palette all rebars will
be shown in the respective color. Rebars for which the diameter was
not measured or set are shown in white; diameters set in the Single-Line
View (Figure 11) are shown additionally with an orange cross bar in the
middle of the rebar.
After storage (tap 7 ), the data can be seen in the Statistics View, the
Single-Line View, the Multi-Line View and also in the Snapshot View if
at least one diameter was measured. In the Multi-Line View the signal
strength spectrum can be seen in addition to the cover and diameter, see
“3.2.3 Cover Meter Display Views”.
In one measuring sequence a maximum of 62 lines can be scanned and
stored in one file.
NOTE! A rebar will only be shown up to 90 % of the limits
of Figure 3.
Area-Scan Mode
Profometer
630 AI
Profometer
650 AI
The Area-Scan Mode is mainly used to show the first layer rebar covers
on large areas, e.g. of concrete slabs in car parks. It is best suited for a
combination with half-cell potential measurements; e. g. combined with
Profometer Corrosion measurements; in this case the line height and grid
width should be the same for both measurements.
The main differences with the Multi-Line Mode is that instead of the sin-
gle rebars, only the lowest cover value inside every cell is displayed; the
single cell area is defined by the Line Height (same meaning as for Multi-
Line Mode ) and the Grid Width. This latest should be set at least 1.1
times larger than the maximum rebar spacing of the first layer rebars, in
order to be sure that at least one rebar is located within one cell.
NOTE! Since the Area-Mode is used on rather large areas,
“Return to start on new line” should not be set.
The measuring procedure including turning the probe cart and changing
cursor position is the same as for Multi-Line Mode.
Figure 14 is a plan view, where the cover values are shown as rectangles
of different colors. Red means the cover is smaller than the minimum set.
