Sisco Earth Resistance Testers

We know it’s essential for you to have the ability to properly measure ground resistance to prevent costly downtime due to service interruptions caused by poor grounds. That’s why Sisco Earth Resistance Testers offers one of the largest selections of easy-to-use double-clamp ground resistance testers. We pioneered the use of clamp-on ground resistance testing and we regularly review and improve the features of our instruments so you can expect Sisco Earth Resistance Testers to be the highest quality, the most complete package, and the simplest way to learn about and ensure ground integrity. Our revolutionary digital earth resistance testers will save you time and money with the ability to measure resistance without disconnecting the ground system. Whether you perform a simple point-to-point test, a clamp-on ground resistance test, or a more complete 3-or 4-Point Fall-of-Potential test, Sisco Earth Resistance Testers manufactures the right instrument to fit your application.