5
OPERATING INSTRUCTIONS
READ “SAFETY WARNINGS FOR WALL SENSORS” BEFORE USE.
Live wires may not be detected if wires are shielded or in conduits or behind thick walls or are more than 2 in.
(51 mm) away from the scanned surface, or in concrete, behind a plywood shear wall or metallic wall covering,
or if moisture is present in the environment or on scanned surface or on the sensor.
Prior to operating this tool, make sure the area marked “SENSOR” in the bottom of the housing is dry. If
required, wipe dry using a dry and clean cloth.
Environmental influences, such as humidity or closeness to electrical devices, can influence the measurement
accuracy. Surface quality and condition of the walls (e.g., moisture, metallic building materials, conductive
wallpaper, insulation materials and tiles) as well as the amount, type, size and position of the objects can lead
to inaccurate measurements.
If the tool has been subjected to an extreme temperature change, allow the sensor to adjust to the ambient
temperature before use.
Studs or joists are normally spaced 16 in. (406 mm) or 24 in. (610 mm) apart and are 1 ½ in. (38 mm) in width.
Anything closer together or different in width may not be a stud, joist or firebreak.
Depending on the proximity of electrical wiring or pipes to the wall surface, the sensor may detect them as
wooden stud.
Due to uneven density of tile work on cement board (used in kitchens, bath/wash rooms) wall sensor may
generate false indications.
Do not expose product to rain or wet conditions or long term exposure to the sun.
Do not use in harsh environment.
Use only in temperature range 14° F - 104° F (-10 C° - + 40 C°).
To increase battery life, turn off the sensor after each use.
DEPTH DETECTION TABLE
Object Depth Detection Detection Accuracy
Rebar/Copper Tube
20 mm Diam. 80 mm / 60 mm
±10 mm (Variance
in accuracy may be
higher depending on the
condition, material and
thickness of the surface
and the shape and size of
the scanned object)
16 mm Diam. 70 mm / 60 mm
12 mm Diam. 60 mm / 50 mm
6 mm Diam. 50 mm / 50 mm
Live Wire and Cable 50 mm
Wood (Stud/Joist) 20 mm
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