Nothing beats the effectiveness of a multi-purpose stud finder. It is not only reliable, but also one of the home improvement tools that ensure that jobs are performed to completion. The best you can do is to invest in the best multipurpose stud locator always.
Owning a multipurpose stud finder gives you great benefit other standard finders because it features several tools that can be used to locate all categories of studs. The finder works efficiently and quickly to determine the centre and edges of the studs located in the ceiling, floor or behind the wall. Most multipurpose finders feature a switch which facilitates toggling between the different modes and gives an LED or audio signal once a stud has been detected. Some locators also give varied signal strengths to indicate whether the stud is located close or deep inside the wall. Others come with a low battery signal to ensure optimum performance.
A standard multipurpose finder utilizes different modes for different purposes, these include:
Stud Scan Mode: This mode helps you to find the center, edges and direction of the studs that are up to a limited distance deep in the wall. Once it detects a stud, or any other material besides the one used for the wall, it displays an indicator on the screen.
Deep Scan Mode: When the stud finder is set to deep scan mode, it is capable of detecting studs that are located deeper in the wall. Deep scanning is often used when a stud scan gives irregular information or when the signal is not strong enough. It provides more accurate scans and besides locating studs it also gives wire warnings whenever an unshielded cable is detected.
AC Scan Mode: The stud finder senses live and uncoated cables in this mode. As you move it across the wall, it gives you the exact distance of the wire from the surface of the wall and gives you an opportunity to track the wires and determine areas where the signal is the strongest.
Metal Mode: You can use this mode to detect both ferrous and non-ferrous metals such as copper and rebar. It is commonly used where there are pipes within the wall that need to be avoided. This mode also helps you to distinguish between wood and metal objects that may be lying within the wall after they have been distinguished using the stud mode.
Having understood what differentiates the four modes of multipurpose stud finders, you can always make a switch each time you want to scan for any objects within your wall. With some helpful tips such as the ones at http://www.studlocator.com/, you can never make a wrong purchase decision. Some brands feature all these modes, while others may have only three or two.