The Stanley FatMax Stud Sensor 400 (model 77-730) is a high-performance tool designed to accurately locate wood and metal studs, as well as live AC wiring behind walls. This guide provides a comprehensive overview of its features and verified operating instructions to ensure precision in your DIY or professional projects.
The unit will emit a series of tones as it calibrates to the wall's density.
Connect a (Type 6LR61) to the clip and secure it. stanley fatmax stud finder 400 manual verified
A "Low Battery" icon will appear on the LCD when it is time for a replacement.
When the appears and a constant tone sounds, you have found the center. The Stanley FatMax Stud Sensor 400 (model 77-730)
As you approach a stud, the LCD will show its relative position.
Provides clear visual feedback on the tool's readings, even in low-light environments. Connect a (Type 6LR61) to the clip and secure it
Includes dedicated modes for wood studs, metal scanning (up to 3 inches deep), and AC tracking to avoid live electrical wires.