Follow along for a hands-on demonstration that highlights performance points. In this video, you'll see how to properly operate the HZ-SHL 100A Handheld Loop Resistance Tester for circuit breaker contact resistance measurements. Watch as we demonstrate the step-by-step testing process, from setup and current selection to interpreting results on the 7-inch touchscreen interface. Learn practical field testing techniques, data management features, and safety considerations for accurate electrical connection evaluation in substations and industrial facilities.