Putting Into Operation - Bosch PROFESSIONAL wallSCANNER D-TECT 100 concrete Operating Instructions Manual

Universal detection unit for concrete

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Table of Contents

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dtectc_bu_1609929H74_t.fm Seite 3 Montag, 21. März 2005 1:49 13

Functional Method

This unit checks the base material of sen-

sor area 10 in measurement direction A to

the displayed measuring depth. Meas-

urement is possible only during move-

ment of the unit in the direction of travel B

and for a distance of at least 8 cm.

Move the unit in a straight line with

light pressure over the wall so that

the wheels remain in contact with the

wall. Objects are detected that differ

from the material of the wall.

mode D, the strength of the measure-

ment signals is indicated, in mode 1

and mode 2, the depth of the object

found.

Optimum results are achieved when the

measured distance is at least 40 cm and

the unit is moved over the entire location

to be checked.

The method of operation of the unit en-

sures reliable detection of only those ob-

jects running traverse to the direction of

movement of the unit.

Therefore, always move crossways

over the area to be checked.

In mode 1, objects that are clearly larger

than the unit can also be displayed by

movement of the unit in parallel paths.

If several objects are located one over the

other in the wall, the object is indicated in

the display that is nearest to the surface.

Detectable objects:

–

Plastic pipes (e.g. water pipes, empty pipes)

–

Electrical wiring (independent of whether carrying voltage or not)

–

Three phase mains wiring (e.g. to the stove)

–

Extra-low voltage wiring (e.g. telephone, door bell)

–

Metal of all types (e.g. steel, copper, aluminium)

–

Hollow space

Special Measuring Cases

Under unfavourable conditions, the unit cannot detect certain objects

as a result of the principle involved, for example:

–

Empty plastic pipes in cavities

–

Plastic pipes filled with frozen water cannot be found.

–

Metal and damp surfaces with high water content cannot be pen-

etrated. They are sometimes displayed as objects themselves.

–

Damp areas in a wall can possibly be indicated as an object (e.g.

for high water content).

–

For walls made up of several layers, e.g. with wall covering, possi-

bly only the first boundary layer (e.g. hollow space behind the wall

covering) is indicated.

–

Hollow spaces in a wall are indicated as objects.

–

Large cylindrical objects (e.g. plastic or water pipes) can appear in

the display smaller than they actually are.