Radar Stud Finder – Powerful Commercial Stud Finder

Right now Bosch, Dewalt and Milwaukee all make a radar stud finder. But these do way more than find studs. Some can even see rebar under six inches of concrete. They are large and expensive units.Typically used by professionals on commercial projects. Probably over kill for the standard home owner. Here is a brief description of each and then a comparison chart at the bottom.
 

Our favorite Radar Stud Finder – Bosch D-tect 120



Bosch D-tect 120 reliable radar technology delivers great accuracy on wall, panel or floor. No need for a back-and-forth motion because it scans as soon as it’s on the wall or surface. Detector is easy to use in small spaces and features an ergonomic design. Because the Bosch D-tect 120 never needs calibration, you can focus on the job without worrying about the detector. Three modes ‒ studs, universal and concrete ‒ make this the right detector for more jobs. Device offers sound with light to show user when something is detected behind a wall, panel or under flooring.

Additional Radar Stud Finder

Bosch D-tect 150 the future of detection technology – Precision of the highest order. Give yourself an advantage. Accurate detection of all materials including plastic due to state-of-the-art ultra wideband radar sensor system. Detection accurate to the millimeter due to ultra wideband radar sensor system. Objects are indicated by acoustic and visual signal. Maximum measuring depth of up to 6 inches (15 cm). Digital display of material properties and permitted drilling depth. Features: Detects ferrous and non-ferrous metals, electrical cables, wooden beams, plastics such as floor and wall heating pipes Intuitive user interface using multilingual menu with specific modes for different applications Easy-to-read, large, illuminated display Robust design for tough demands on the construction site: dust and splash protection of IP54, also remains fully functional after being dropped from a height of up to 1 m Requires no calibration


The Dewalt DCT419S1 hand held wall scanner is an ideal tool for remodelers, general contractors, installers, and service technicians. The wall scanner features patent-pending sensing technologies that detect five classes of embedded materials: wood, ferrous metal, non-ferrous metal, plastic, and unshielded live electric behind wall surfaces up to 3 inches deep. This unit can scan through multiple wall surfaces including drywall, plywood, concrete and ceramic tile. It offers an automatic mapping feature which processes all embedded materials simultaneously. This scanner has a color, 3.5-inch LCD display for improved visibility and communication of embedded material type and location. A tracking bar displays embedded material locations of entire mapped area, up to 9.8 feet. With improved software and a revamped user interface compared to its predecessor, the DCT418, this model better helps users identify and communicate embedded materials detected.


The Milwaukee SUB-SCANNER™ M12™ Lithium-Ion Detection Tool is a heavy duty pistol grip detection tool for professional commercial and industrial applications. Powered by the Milwaukee M12™ REDLITHIUM ™ battery, the 2291-21 can detect rebar up to 6″ deep in concrete, as well as the location of wood and metal studs beneath drywall. In addition, the SUB-SCANNER™ M12™ Lithium-Ion Detection Tool has a four wheel design for durability and smooth, accurate measurement. The 2291-21 is covered by the Milwaukee 5-Year Warranty.

Compare the Different Radar Stud Finder

Bosch D-tect 120Bosch D-tect 150Dewalt DCT419S1Milwaukee M12™
Weight1.1 lbs1.6 lbs7.3 lbs6.8 lbs
Size3.3 x 8.5 x 3 inches4.7 x 8.7 x 3.8 inches16.5 x 6.2 x 13.1 inches13.6 x 17.3 x 5.3 inches
Copper WiringUp to 2-3/8″ (6 cm)Up to 3-1/8″ (8 cm)Up to 3″ (7.6 cm)Up to 6″ (15 cm)
Water-Filled Plastic PipeUp to 2-3/8″ (60mm)Up to 6″ (15 cm)Up to 3″ (7.6 cm)Up to 6″ (15 cm)
Ferrous Metals (Steel)Up to 4-3/4″ (12 cm)Up to 6″ (15 cm)Up to 3″ (7.6 cm)Up to 6″ (15 cm)
Non-Ferrous Metals (Copper)Up to 4-3/4″ (12 cm)Up to 6″ (15 cm)Up to 3″ (7.6 cm)Up to 6″ (15 cm)
WoodUp to 2-3/8″ (6 cm)Up to 6″ (15 cm)Up to 1.5″ (3.8 cm)Up to 1.5″ (3.8 cm)
Power source(4) AA Batteries(4) AA Batteries12V MAX lithium-ion BatteryLithium ion Battery
Warranty2 years2 years3 year1 year
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