Use and Care Manual
IMPORTANT: READ BEFORE USING.
SAVE THESE INSTRUCTIONS.
Operating/Safety Instructions
FRANKLIN SENSORS PROSENSOR T9
Congratulations on selecting one of the most advanced wall sensors on
the market. Your ProSensor T9 incorporates advanced technology that
precisely senses the surface and displays in nine locations simultaneous-
ly, then instantly identies the location(s) of hidden object(s). It is easy,
fast, and accurate.
SAFETY RULES FOR THE PROSENSOR T9
WARNING: Read all instructions before use. Failure to follow safety
instructions may result in electric shock, re, and/or serious injury
and death.
SAVE THESE INSTRUCTIONS
WARNING: It is possible that there may be wood, metal, wiring, or other
objects behind the surface that are not detected. The stud nder may
also detect pipes, wires, or other objects that the user may not want it to
detect. The stud nder is designed to detect any inconsistency but does
not identify what type of inconsistency or object it detects. The
illuminated LEDs may indicate the location of many dierent features
including, but not limited to, studs, beams, water pipes, gas pipes, wires,
an inconsistency in the surface material or paint, etc.
WARNING: TURN OFF all gas, water, and electric power before using any
drilling or penetrating devices or equipment including drills, saws,
routers, hammers, nails, screws, etc.
WARNING: The stud nder alone should not be relied upon exclusively
to locate objects behind a scanned surface. Use other sources of
information to help locate objects. Other sources of information may
include, but are not limited to, construction plans, visible points of entry
of pipes, location of switches and outlets, and standard 16" and 24" stud
spacing practices.
FAILURE TO TAKE THESE AND OTHER NECESSARY PRECAUTIONS
COULD RESULT IN ELECTRIC SHOCK, FIRE, AND/OR SERIOUS INJURY
AND DEATH.
Clean
Before turning on, ensure that the stud nder is clean and dry. If
necessary, wipe the stud nder dry using a clean cloth. If the detector is
wet or dirty it may not operate properly.
Temperature
If the stud nder is subject to a signicant temperature change, allow it
adjust to the ambient temperature before using. The entire area of the
sensor board should be at a similar temperature for best operation.
TO OPERATE:
• Hold the stud nder by the handle. Do not touch
the detector outside of the handle area while
scanning.
• Place the ProSensor T9 rmly against the surface
and press the “on” button.
• With the button depressed, you may immediately
begin scanning the wall (No calibration or tuning is
required.) As you scan, LED lights will immediately
display the location of any hidden objects.
• The “on” button may be pressed before or after placing the stud nder on
the surface to be scanned. The stud nder will operate if slid across the
wall, but no sliding is required.
• LED lights indicate the width of
hidden object(s).
• On some surfaces it may be helpful to
slide the stud nder up and down to
conrm the location of a stud.
No Gloves
Do not wear gloves when operating the ProSensor T9. The ProSensor T9
will only operate if a human hand is continually touching the button. The
hand creates a necessary connection to make the unit operate properly.
The ProSensor T9 will not operate when the operator is wearing gloves.
Handle Hold
When operating the ProSensor T9 the hand should remain on the handle.
Holding the T9 on the sides, or with fingers close to the Sensor Board,
may cause the unit to work inaccurately.
SENSING THROUGH DIFFERENT MATERIALS:
Moisture
The scanned surface should be clean and dry. Paint and wallpaper need to
be completely dry before scanning for studs. It may take up to 2 weeks for
wallpaper to dry enough to detect studs.
Foil-Backed Insulation
Although foil covered insulation is not very common, metal foil can cause
inconsistent readings with all electronic stud nders, including the
ProSensor T9.
Metallic Content in Wallpaper
Wallpaper with metallic content can block the detector’s signals.
Textured Walls and Acoustic Ceilings
The ProSensor T9 is capable of detecting studs through many textures and
surfaces. The unit will however work most accurately if placed rmly against
the attest portions of the wall. When looking for studs you will depress the
button and slide the unit horizontally across the wall. For the best results,
prior to beginning your scan, identify a horizontal area that is consistently
the attest.
Lath and Plaster
Irregularities in plaster thickness and variations in construction materials
can make it dicult to locate studs behind lath and plaster walls. Also, if the
plaster has a mesh reinforcement, the stud nder may not be able to detect
through the metal mesh.
Tile, Flooring, Roong, and Outside of House
The ProSensor T9 works by measuring the density of material behind the
sensors to determine the location of studs. Due to the variability in the
density of materials in tile, ooring, roong, and on the outside of the
house, we do not recommend the ProSensor T9 for use in these applica-
tions.
STICKERS / DECALS
Do not place decals or stickers, especially those containing metal, on the
sensor board, or on the stud nder in any place.
DISASSEMBLY / TEFLON PADS
Do not disassemble the stud nder or remove the teon pads on the
bottom. The stud nder will not operate correctly without the teon pads
properly in place.
BATTERIES
The ProSensor T9 uses 2 AAA batteries.
Replace both batteries at the same time.
REPLACING THE BATTERIES
• Remove the battery cover by gently depressing
the back of the battery cover and lifting.
Remove both batteries and dispose of
them properly. Please recycle.
• Replace with two fresh AAA batteries.
Replace both batteries at the same time.
• Close the battery cover by inserting the front clip into the front battery
cavity, gently depress the back of the battery cover until it clicks closed.
STORAGE
Store the stud nder in a clean, dry place at room temperature. Protect
against direct sunlight and moisture.
DISPOSAL
Stud nders and packaging should be sorted for recycling.
ENVIRONMENTAL CONDITIONS
Storage Temperature 0°F to 120°F
(-18°C to 50°C)
Operating Temperature 32°F to 110°F
(0°C to 43°C)
Storage Humidity 0% to 90%
relative humidity
(non-condensing)
Operating Humidity 0% to 90%
relative humidity
(non-condensing)
FCC PART 15 CLASS B REGISTRATION
WARNING
This device complies with Part 15 of FCC rules. Operation is subject to
the following two conditions:
1. This device may not cause harmful interference, and
2. This device must accept any interference received, including
interference that may cause undesired operation.
LIMITED WARRANTY
Franklin Sensors warrants this product to be free from defects in
material and workmanship for one year. This LIMITED WARRANTY does
not cover products that are improperly used, abused, or altered.
Defective products will be replaced or repaired. If a product is found to
be defective within the warranty period, Franklin Sensors will, at its sole
discretion, either repair or replace the defective product. This limited
warranty does not apply to products that are subjected to freight
damage, accident, abuse, alteration, misuse, improper repair, etc.
Franklin Sensors and Franklin Sensors’ authorized distributors shall bear
no other liability or obligation under this warranty.
IN NO EVENT SHALL FRANKLIN SENSORS HAVE ANY LIABILITY FOR
CONSEQUENTIAL OR INCIDENTAL DAMAGES INCLUDING, BUT NOT
LIMITED TO, LOST PROFITS, DAMAGE TO GOODWILL, LOSS OF TIME,
INCONVENIENCE OR OTHER COMMERCIAL OR ECONOMIC LOSS, and in
no event shall Franklin Sensors be liable for damages exceeding the
purchase price.
In the event of a product defect, please return the product postage paid
with proof of purchase to:
Franklin Sensors Inc.
Attn: Returns Department
13601 W. McMillan Road Suite 102 - 170
Boise, ID 83713
(208) 918-2403
returns@franklinsensors.com
Hours of Operation: Monday-Friday,
8 AM to 5 PM,
Mountain Time Zone
US Patents 8,476,912 8,791,708 8,836,347 8,884,633
US and Foreign Patents Pending.
FST9E1 (7/17)
1. LED Lights
2. Ergonomic Handle
3. “On” Button
4. Battery Cover
5. Detector Housing
6. Sensor Board
7. Proximity Sensors
8. Pencil Caddy
TROUBLESHOOTING
CONDITION PROBABLE CAUSE SOLUTION
No LED lights come on. Weak battery.
Operator is wearing gloves.
Remove both batteries and replace with two fresh AAA batteries.
Replace both batteries at the same time.
Do not wear gloves when operating the ProSensor T9.
Stud nder only works momentarily. The “on” button isn’t being held down.
Hold the “on” button down until you have completed your scan.
The LED lights are indicating the location of pipes and wires,
not just studs.
The ProSensor T9 indicates the location of inconsistencies.
The LED lights may
indicate the location of a pipe, electrical wiring, other objects near the surface
being scanned, or an inconsistency in the surface material or paint, etc.
Look for evenly placed studs on either side (16”, 24”, on center, etc.) Scan above the
location and below the location to conrm results. Use caution before penetrating wall.
See the SAFETY RULES FOR THE PROSENSOR T9.
Diculty starting a scan near doors and windows. Solid headers and triple studs are often present around doors and windows.
The ProSensor T9 indicates the change in density. If all eight sensors sense the
same density, the LEDs will not illuminate.
Begin the scan away from the window or door, then move the stud nder to the area
around the window or door. For best results, keep stud nder 3” away from wood trim,
outlets, switches, etc.
Stud nder doesn’t work through new wall paper. The moisture in the wall after wall papering can block the stud nder’s signal. Wait until the wallpaper is dry. It may take up to 2 weeks for the paper to dry suciently.
My house was built prior to about 1960. The walls are lath and plaster.
The stud nder doesn’t work very well anywhere in my house.
Older houses that were built with lath and plaster, instead of sheet rock, often
have too much inconsistency in the walls for the detector to work reliably.
Try using the stud nder at a higher point on the wall, or a lower point on the wall.
Inconsistent readings. Operator is holding the unit near the base rather than on the handle.
Anomaly in the surface material.
Sometimes after continuously scanning the wall for a period of time the
readings seem to be less consistent.
Only hold the unit by the handle with a nger continually pressing the button.
Test at a higher location, or lower location on the wall.
Release the button and press the button again.
The LED lights sometimes seem to light up sporadically
or inconsistently.
Wires, pipes, or other construction inconsistencies can cause erratic or
erroneous readings. Features on the opposite side of a wall may also be a
source of inconsistent readings.
Test at points on the wall that are higher, or lower. The stud nder may also work best if
it is used more than 3 inches away from metal objects such as outlets, light switches, etc.
OPERATING INSTRUCTIONS
ProSensor
™
T9
PROFESSIONAL
STUD FINDER
Pencil Caddy
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5
1
3
4
7
8
2
7
8