Bosch D-tect 120 wallscanner Professional digital multi-detector 500 g

The Bosch D-tect 120 wallscanner Professional is a digital multi-detector for precise detection of objects behind walls. Designed for professionals in construction and renovation, it identifies different materials including wood, metal and live wires and helps avoid drilling into hidden pipes or cables. The unit is compact and lightweight at 500 g and supports both 12 V Li-ion and standard alkaline batteries for flexible use.

Advantages

The D-tect 120 Professional uses radar-based spot measurement and a centre finder to deliver accurate localisation even on narrow surfaces. Dual Power Source technology enables operation with a 12 V Li-ion battery or conventional alkaline batteries. The device provides audio and visual alerts and a simple three-button user interface for quick adaptation to diverse tasks. Detection depth reaches up to 12 cm, supporting safe work on walls, ceilings and floors.

Suitable for

• Carpentry — locating studs and hidden objects before drilling or fastening
• Plumbing — detecting water-filled pipes to prevent accidental damage
• Electrical work — finding metal conduits and live wires behind surfaces
• HVAC installation and maintenance — locating ducts and service lines
• Renovation and building inspections — quick checks for concealed elements

Key specifications

• Brand: Bosch
• Model: D-tect 120 wallscanner Professional (MPN 0601081303)
• Product type: digital multi-detector / wallscanner
• Detection depth: up to 12 cm
• Power: Dual Power Source — 12 V Li-ion battery or standard alkaline batteries
• Weight: 500 g
• EAN: 4059952641508

How to use

Switch on the device and select the appropriate detection mode with the three-button interface. Place the scanner flat against the surface and perform spot measurements or move the instrument slowly while observing audio and visual indicators to locate objects. Use the centre finder function to determine the exact centre of detected objects. Replace or recharge the power source as needed depending on the chosen battery type.

Recommendations

For best results, conduct an initial calibration or reference scan on a known-clear area and proceed with slow, overlapping passes. Interpret results conservatively near electrical installations and plumbing; always verify with a secondary method before drilling when uncertainty remains.