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Stanley Stud Sensor 150
The Stud Sensor 150 uses electronic
signals to locate the edges of studs, joists
or live AC wires through drywall or other
common building materials. Depth detection
selected by activation button for ½ inch,
1 inch and 1½ inch. Once the edge of a stud has
been detected, the Stud Sensor 150 displays red
LED’s and sounds an audible tone. A marking
channel allows you to easily note the stud
edges on the wall.
Note: Read all instructions prior to operating
the Stud Sensor 150 and DO NOT remove any
labels from the tool.
OPERATING INSTRUCTIONS
Battery
1
Open door on back of unit and connect a
9 volt battery (not included) to clip. Put battery
back into case and close back battery door.
Note: Recommend to replace a new 9 volt
battery when low battery - flashing green
LED.
Usage
Selecting Scanner Depth Mode
3
•Depress and hold activation button once
(1x) to select to ½” read depth detection.
The ½” mode LED will illuminate.
•Depress and hold activation button twice
(2x - double-click) to select to 1” read depth
detection. The 1” mode LED will illuminate.
•Depress and hold activation button three
times (3x - triple-click) to select 1½” read
depth detection. The 1½” mode LED will
illuminate.
Note: For best results the depth mode
selected should be based on the thickness of
the surface material being scanned.
Detecting Wood / Metal Studs
2
Hold the Stud Sensor 150 flat against
the surface, making firm contact.
3
Press in and hold the activation button.
The green and top red LED will light.
4
When the red LED goes off, the unit is
calibrated.
5
Keep holding the activation
button during all of the following procedures.
Note:
3
The unit cannot be moved before
calibration is complete.
2
While calibrating,
the Stud Sensor 150 must not be placed
directly over a stud, dense material such as
metal, or over a wet or newly painted area,
or it will not properly calibrate.
11
If the red
LED stays lit, move the Stud Sensor 150 to
a different location and try again. Releasing
the activation button will turn off the sensor.
6
Slide the Stud Sensor 150 slowly across
the surface in a straight line.
9
As it detects
a stud, the red LED’s will go on.
6
When it
detects the stud edge, the top LED will go
on and an audible tone will sound. Use the
marking channel located at the top of the
unit to mark the stud edge.
7
Repeat the
above steps from the other side of the stud.
Coming from the opposite direction, mark
the other edge of the stud.
8
The midpoint
of the two marks indicates the stud center.
Detecting Live AC Wires
10
The live wire red LED will illuminate and
the Stud Sensor 150 sounds an audible tone,
warning when in the proximity (typically
within 4” to 18” along the surface) from a
live wire.
Note: Static electrical charges that can
develop on drywall and other surfaces will
spread the voltage detection area many
inches on each side of the actual electrical
wire. To aid in locating the wire position,
scan holding the unit ½” away from the
wall surface or place your other hand on the
surface approximately 12” from sensor.
Warning: Shielded wires or wires in metal
conduits, casings, metallized walls or thick,
dense walls will not be detected. Always
turn off AC power when working near wiring.
Cautions on Operating
You should always use caution when nailing,
cutting and drilling in walls, ceilings and
floor that may contain wiring and pipes near
the surface. Always remember that studs
or joists are normally spaced 16 inches or
24 inches apart and are 1½ inches in width. To
avoid surprises, be aware that anything closer
together or of a different width may not be a
stud.
OPERATING TIPS
The Stud Sensor 150 is designed for use only on
interior surfaces.
Prevent Interference
To ensure best performance from the Stud
Sensor 150, keep your free hand at least 6
inches away from the unit and wall surface
while testing or scanning surfaces.
Conventional Construction
Doors and windows are commonly constructed
with additional studs and headers for added
stability. The Stud Sensor 150 detects the
edge of these double studs and solid headers
as a single, wide stud.
Surface Differences
The Stud Sensor 150 will scan through
common building materials, Including:
•Gypsum drywall
•Plywood sheathing
•Hardwood floors
•Linoleum over wood
•Wallpaper
The scanner cannot scan through:
•Carpeting
•Foil faced materials
•Ceramic tile
•Cement or concrete
•Metal & plaster walls
Wallpaper
There will be no difference in the function
of the Stud Sensor 150 on surfaces covered
with wallpaper or fabric unless the coverings
used contain metallic foil or fibers.
Ceilings
When dealing with a rough surface such as
a sprayed ceiling, utilize a piece of cardboard
when scanning the surface. Run through
the calibration technique described earlier
with the piece of cardboard too, to assure
best performance of the unit. Also, it is
particularly important in this application to
remember to keep your free hand away from
the unit.
Note: The thickness, density and moisture
content of the surface material will affect
the sensing depth.
IMPORTANT SAFETY NOTICE
Insure proper detection of live wires. Always
hold the Stud Sensor 150 in the handle area
only. Grasp between fingers and thumb while
making contact with your palm.
SPECIFICATIONS
(At 35-55% relative humidity)
Battery
9 volt (not included)
Depth Range
Wood or Metal Studs
Up to 1½” (38 mm) through drywall
Live AC Wires (120 volts AC)
Up to 2” (50 mm) through drywall
Accuracy - Stud Center (Scanning and marking the stud from two sides stud center)
Wood
±1/8” (3 mm)
Metal
±1/4” (6 mm)
Operating Temperature
+32°F to +120°F (-0°C to +49°C)
Surface Temperature
-4°F to +150°F (-20°C to +66°C)
WARRANTY
Stanley Tools warrants the Stud Sensor 150
against defects in material and workmanship
for one year from the date of purchase. Stanley’s
liability under this warranty is limited the
replacement of the unit. Any attempt to repair
the product by other than factory authorized
personnel will void this warranty. Calibration,
batteries and maintenance are the responsibility
of the user. Where permitted by law, Stanley is
not responsible for incidental or consequential
damages. Agents of Stanley cannot change
this warranty. Stanley is not responsible for
damage resulting from wear, abuse or alteration
of this product. The user is expected to follow
ALL operating instructions. This warranty may
provide you with additional rights that vary by
state, province or nation.
WARNING:
Protect Your Eyes, Wear Safety Goggles.
©2012 STANLEY TOOLS
www.STANLEYTOOLS.com
701 East Joppa Road
Towson, Maryland 21286