Stanley Fatmax Stud Finder 400 Manual Verified |work| Jun 2026

As you approach a stud, the LCD display will show bars indicating the relative intensity.

Keeping the button held down, slide the unit slowly across the wall.

To truly master the Stanley FatMax 400, incorporate these pro tips that aren't always in the basic guide. stanley fatmax stud finder 400 manual verified

Before operating the unit, verify that your project matches the material capabilities listed in the official STANLEY Support Manual Documents: Feature / Specification 1x 9-Volt Alkaline Battery (Type 6LR61) Max Detection Depth Up to 1.5 inches (38mm) behind drywall Scanning Modes Wood Stud, Metal Scan, AC Live Wire Tracking Accuracy Rating Accurate to within 3mm Indicator Feedback Multi-segment LCD screen, Red/Green LEDs, Audible tones Incompatible Materials

The Stanley FatMax series incorporates advanced density-sensing technology. Understanding its features allows you to utilize the device at peak efficiency: : Unlike basic edge-finders, the FatMax 400 Go to product viewer dialog for this item. As you approach a stud, the LCD display

77-730 FatMax Stud Sensor Instruction Manual – STANLEY TOOLS. STANLEY® Tools How To Use a Stanley Stud Finder

Because the FatMax 400 is magnetic, it does not use a typical "calibration" button found on electronic models. Instead, follow these physical scanning steps: : Hold the unit flat against the wall surface. Before operating the unit, verify that your project

: Open the battery door on the back and connect a fresh 9-volt alkaline battery . Calibration :

: Use the notched base or marking channel to accurately mark the spot.