Introducing the Hioki 3169-20, the industry-leading earth tester that revolutionizes electrical safety testing. With its patented Dual Frequency Method, it eliminates the influence of stray currents, providing highly accurate and reliable measurements even in challenging environments. Its compact design and intuitive interface make it easy to use, while its rugged construction ensures durability in demanding conditions. Choose the Hioki 3169-20 for unparalleled accuracy, reliability, and ease of use in your electrical safety testing.