© 2015 Proceq SA 17
5.2.3 Verification of the Cover along one Rebar
Verify by moving the Profoscope with the Center Line (9) parallel to the rebar direction and with the
MC (4) directly above the rebar. Observe that the cover depth reading displays a constant value. You
may also start directly with the mapping of the rebar grid, see 5.2.4.
5.2.4 Map out the Rebar Grid
“Reset Key (3)” the Profoscope and proceed with Scenario A to locate further rebars.
Sweep in one direction first and then at 90° to build up the grid.
Please consider the following advice when measuring with the Profoscope:
• Whenever possible begin by locating the first rebar layer. (e. g. in a column the horizontal stir-
rups are the first layer), i. e. hold the Profoscope with the Center Line (9) horizontal and move
the Profoscope in the vertical direction. Mark the locations of the first layer on the surface.
• When locating the second layer (e. g. in a column the vertical rebars are the second layer) hold
the Profoscope with the Center Line (9) perpendicular to the rebars of the first layer (e. g. in a
column hold it vertical). Now move the instrument with the MC (4) along the midpoint line of two
first layer rebars parallel to direction of the first layer (e. g. in a column move it horizontally) to
detect the rebars of the second layer.
Vertical rebars
(Second Layer)
Midpoint line of Stirrups
Stirrups (first layer)
E. g. Reinforce-
ment arrangement
in a Column
MC (4)
Fig 21: Creation of a rebar map
You will soon see the rebar configuration to help you begin drilling or to conduct further measure-
ments of cover depth (see 5.3) and rebar diameter (see 5.4), with storage of values (see 6.1, only
with Profoscope+ possible) and so forth.
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