MEASUREMENT FOUNDATION
8
INSTRUMENT SINSTRUMENT S
WallScanner 120 Prof
DETECTION OF OBJECTS
The detection of metal objects
Press button 9 to detect metal objects. Illuminated ring (1) and indication above the button (4) light up green. Symbol
(the metal detection indicator) or is indicated on the display.
Note: Scale “i” will show all scale for reinforcement steel mesh and steel in the examined base material. Illuminated ring lights
up green.
Place the measuring tool onto the surface to be scanned and move it sidewards, when the measuring tool comes close to a metal
object, the amplitude of the measuring indicator “j” increases. When it moves away from the object, the amplitude decreases,
at the position of maximum amplitude, the metal object is located below the center of the sensor. Indicator k is displayed on the
display.
Indicator “i” (detection depth value) is displayed on the display when scanning metal objects. The accuracy of depth value is a
relation of shape and position of scanning metal objects. Symbol e/d shows whether metal is magnetic or not. Illuminated ring
lights up yellow.
Note: If examined objects are small and deeply embedded, move the detector in horizontal and vertical direction. Pay
attention to the indication “i” and “j” for accurate detection.
Multi-functional wall detector mode
Choose this mode for operation. The detector can indicate following items in the wall (except wooden beam):
- magnetic metal
- non-metal, e.g. beam, plastic pipes that are full of water.
- charged object, e.g. electric wire.
Press button 10. Illuminated ring and indicator above the button light up green. The detector can detect wooden beam as metallic
object when scanning the metallic objects, nails, screws. In that case place the instrument on another place of the examined object
and restart the measuring procedure.
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