G3 Magnetics is the North American office of Group3 Technology Ltd., a New Zealand manufacturer of high-accuracy, high-precision magnetic field measurement instrumentation. Since 1983, Group3 has designed and manufactured industry-leading teslameters, Hall effect probes, and magnetic measurement systems trusted by researchers, OEMs, and manufacturers worldwide. Our products are used in particle accelerators, semiconductor manufacturing, medical imaging, scientific research, and other applications where precision and long-term measurement stability are essential.