PEAKMETER MS2302 Earth Resistance Tester, used for detecting the ground resistance of electrical equipment. Measurement Modes: Supports 2-pole and 3-pole measurement methods. Range: Measures earth ground resistance from \(0\,\Omega \) to \(4000\,\Omega \). Data Logging: Capable of storing up to 100 groups of measurement data. Display: Features a large digital LCD screen with a backlight and an analog bar display.