BOSCH Metal Detector Professional D-tect 120 Wire Finder Wood Wiring Wall Scanner Pinpointer Depth Detecting All Search Hidden

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UNI-T's new wall scanner UT387 series enables you to detect electric wire, metal object, wooden beams accurately. The new and improved wall scanners are great tools for interior finish, renovation, furniture installation, flooring, pipe installation, and building construction.


1.High precision
2.Audible alarm
3.Multiple detection modes
4.1 meter drop resistance


WS120 wire detector wall scanner

-Perfect for detecting metal, wood and AC cable hidden in the wall.

-Indicates the detecting results by Light and Beep

-Detect AC cable with voltage higher than 110V, 50-60Hz, the sensibility may be weak when the cable is grounded.

-High accuracy, with a maximum detection depth of 110mm.

Technical Data:

Maximum scanning depth

-Ferrous metal: 100 mm

-Non-ferrous metals (Copper): 80 mm

-Live conductors ( 110,60Hz–220V,50Hz ): 50 mm

-PVC pipes: 35 mm

-Wood: 25 mm


Based on measurements on drywall and depending on operating mode,
material and size of the objects, as well as material and condition of
the base material.

② Less scanning depth for wires/conductors that are not ”live”

③ The PVC water pipe should be filled with water, and the diameter should be larger than 15mm.

Operating Condition :

Temperature: -10 to 50C



Storage temperature: -20C to 70C

General Information:

Battery type: 3 * 1.5V, AAA alkaline (not included in the packing)

Dimensions: 185*85*33mm

Weight: 180g





Intuitive radar scanner for almost all materials

  • Spot measurement provides accurate detection on narrow surfaces

  • Centre finder offers visual guidance, to clearly identify the precise location of the object's centre

  • Dual Power Source allows for use with a 12 V Li-ion battery or with standard alkaline batteries


The most important data

Battery voltage

12 V

Bosch Radar Technology


Detectable objects

magnetic metals (e.g. iron), non-magnetic metals (e.g. copper), live cables, non-live cables, water-filled plastic pipes, wooden substructures

Max. detection depth

120 mm

Detection depth, magnetic metal, max.

120 mm

Detection depth, non-magnetic metal, max.

120 mm

Detection depth, live cables, max.

60 mm

Detection depth, wooden substructures, max.

38 mm


± 10 mm* (*plus use-dependent deviation)


Spot view

Wall types

Concrete, Drywall, Universal

Material identification

Live cable

Power supply

12 V Li-ion or 4 x 1.5 V LR6 (AA)

Automatic deactivation, approx.

5 minutes

Weight, approx.

0.5 kg

Additional function

Dual Power (10.8 V/4 x 1.5 V LR6 AA); Centre finder with object direction indicator


Product Highlights

The detector D-tect 120 Professional is an intuitive radar scanner developed for almost all materials. Spot measurement provides accurate detection on narrow surfaces, while the centre finder shows the precise location of an object's centre. Additionally, Dual Power Source technology allows for use with both a 12 V Li-ion battery or standard alkaline batteries.

Equipment & Application

It is suitable for a range of craftsmanship disciplines to locate pipes filled with water and cables as well as to avoid drilling mishaps when performing carpentry, plumbing, electrical, and HVAC applications.

Additional Information

The D-tect 120 Professional offers a simple user interface with three self-explanatory selection buttons for adjusting to various applications and it is able to detect objects at depths of up to 12 cm. Audio and visual signals notify the user when objects are detected in the wall.

Two power supply modes.

The model specification for this link uses 2A batteries, no lithium battery. For a lithium battery, please purchase separately.

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