It was a little trickier, however, if metal studs were present, but knowing the stud spacing helped us sort things out. In deep-scan mode, the A200 didn’t pick up PVC pipes in the wall unless ...

Many stud sensors also have metal and live-wire detectors ... A wall with 16-inch stud spacing has 14½-inch gaps between studs where the sensor should be silent — unless it detects something ...