The UNI-T UT522 Digital Grounding Tester 3-Wires is designed for accurate ground testing and, therefore, ensures safe electrical system operation. Moreover, it delivers stable readings and, consequently, reduces measurement errors. Additionally, its user-friendly interface helps professionals work quickly and, furthermore, supports efficient testing in busy environments. Besides this, the strong casing protects the device and, likewise, increases durability in the field. In fact, it works with multiple test modes and, as a result, adapts to various installations. Meanwhile, the clear LCD display improves visibility and, hence, minimizes misreading. Also, the automatic shutdown feature saves battery power and, similarly, extends the device’s life. Overall, this tester offers dependable, convenient, and ultimately precise performance for electricians, engineers, and technicians across industrial, commercial, and residential projects. Features of UNI-T UT522 Digital Grounding Tester 3-Wires: Data Hold function Reinforced insulation protection Over-range indication Data logging for 20 data sets Battery check function Display backlight Sleep mode Precision 3-Wires Testing Double Insulation Protection Specification: Color Red and grey DISPLAY SPECIFICATION Display 70.6mm x 34mm GAMING ACCESSORIES LED backlight Yes SUMMARY Auto power off Around 10 minutes Size 160mm x 100mm x 70.5mm GENERAL SPECIFICATION AC Earth Voltage 0~400V Data storage 20 Display count 4000 Earth Resistance 0~40Ω 0~400Ω 0~4000Ω Power 1.5V battery (LR6) x 6 Weight 560g Package Includes: 1 x UT522 UNI T Earth Resistance Meter Tester