The United Scientific MGV002 DC Galvanometer detects electric current within a range of -500-0-500µA and a reading accuracy of + or - 2.5%. The scale length is 75mm. The galvanometer comes with a five-way binding post and external calibrating screw. It has black plastic housing. A galvanometer is used for classroom demonstrations and experiments, and is not protected against prolonged or significant overload.

Science education products incorporate applied math and science principles into classroom and homeschool-based projects. Teachers in pre-K, elementary, and secondary classrooms use science education kits and products alongside science, technology, engineering, and math (STEM) curriculum to demonstrate STEM concepts and real-world applications through hands-on activities. Science education projects include a broad range of activities, such as practical experiments in engineering, aeronautics, robotics, energy, chemistry, physics, biology, and geology.

United Scientific Supplies manufactures laboratory supplies and science education products. The company, founded in 1992, is headquartered in Waukegan, IL.