Milwaukee 2291-20 M12 12V Sub Scanner

Availability: Out of stock

Regular Price: $249.95

Special Price: $164.95


The SUB-SCANNER™ M12™ Cordless Detection Tool is a heavy duty pistol grip detection tool for professional commercial and industrial applications. Powered by the Milwaukee M12™ LITHIUM-ION battery, the 2291-20 can detect rebar up to 6" deep in concrete, as well as the location and depth of materials beneath gypsum, ceramic tile and marble. In addition, the M12™ SUB-SCANNER™ Detection Tool has a four wheel design for durability and smooth, accurate measurement. The 2291-20 model is a bare tool sold without a battery or charger.


  • Measures Depth and Location of Rebar Up To 6” Through Concrete

  • Detects Location of Wood, PEX, PVC, and Metal

  • Differentiates Between Steel (Ferrous) and Copper or Aluminum (Non-Ferrous) Metals

  • Embedded AC voltage detection to identify the location of live wires

  • Scans through gypsum, OSB, ceramic tile, marble, and concrete

  • Intuitive user interface displays stud centers and edges

  • High contrast white on black display and backlight for easy reading

  • Rugged over-molding improves durability and user grip

  • Auto Calibration for all surfaces


Voltage - 12V
Wood Metal Stud (Depth) - 1-1/2 inches
Plastic (Depth) - 3 inches
Non-Ferrous Metal (Depth) - 6 inches
Ferrous Metal (Depth) - 6 inches
Displays Metal Depth - Yes
Stud Edge (Wood Metal) - Yes
Stud Center (Wood Metal) - Yes
Differentiaties between Ferrous/Non-Ferrous - Yes
Position Accuracy-Wood - 1/4 in
Position Accuracy-Non-Ferrous - 1/2 in
Position Accuracy-Ferrous - 1/2 in
Position Accuracy-Depth - 1/2 in
Scans through Gypsum - Yes
Scans through Tile - Yes
Scans through Marble - Yes
Scans through Concrete - Yes
Displays Stud Position - Yes
Scan for AC Electrical - Yes
Auto Calibration - Yes
Basic Accuracy - Varies by material
Display Resolution - 0.5"
Backlight - Yes
Display - High Contrast White on Black, Dot Matrix
Non-Contact Voltage - Yes
Rugged Overmold - Yes
Indication - Visual (for NCVD)
Switch Type - On/Off Button
Battery - 12V LITHIUM-ION


  • 2290-20 M12™ SUB-SCANNER™ Detection Tool

  • Hard Cover Carry Case

  • Manual

Milwaukee 2291-20 M12 12V Sub Scanner

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