Calibration Data This ethernet tester performs self-checks and automatically compensates for changes in battery level or ambient temperature. It dynamically calibrates cable length measurements, achieving up to 97% accuracy. Compact and lightweight, it's easy to carry and use
High Quality Efficient, powerful, and convenient you can independently perform continuity checks and wire sequence tests on network cables. The tester indicates the integrity of each wire pair and features an automatic power-off delay for energy saving