Stanley Fatmax Stud Finder 400 Manual -

Follow this strict operational sequence to get precise, repeatable structural readings. Step 1: Power and Calibration

The FatMax 400 can detect both (including joists) through drywall and other common building materials up to a depth of 1.5 inches (38mm) . When used in AC wire detection mode, it can sense live cables up to 2 inches (50mm) deep. stanley fatmax stud finder 400 manual

Place the stud finder flat against the wall surface where you want to scan. Step 2: Calibration Follow this strict operational sequence to get precise,

Pro tip from the manual: Mark both edges of the stud. The center is exactly halfway between the two marks. That is where you want to drive your screw. stanley fatmax stud finder 400 manual