Earth resistance tester HZJD-3002E

for electrical installationsdigitalautomatic

• Ground resistance range: 0.000Ω–200kΩ • Soil resistivity range: 0.00Ωm–9999kΩm • Voltage measurement: AC/DC, 0–1000V • Current measurement: AC 0–20A • Resistance accuracy: ±1.5%rdg ±70dgt (2/3/4-wire) • Measurement methods: 2/3/4-wire, selective, dual-clamp • Display & data: large LCD, PC & mobile app support The Huazheng HZJD-3002E is a multi-function earth resistance tester designed to meet the needs of power utilities, construction, and grounding safety verification. In addition to ground resistance, it can measure soil resistivity, ground voltage, DC resistance, DC voltage, and AC current, making it a comprehensive tool for field engineers and laboratory use. The instrument adopts advanced digital filtering to minimize interference, while auxiliary electrode resistance is displayed in real time to help detect environmental errors and ensure reliable results. The device is microprocessor-controlled and provides high precision across a wide range of measurement functions. Its robust design integrates multiple test modes into one compact unit, eliminating the need for multiple instruments. Data can be displayed on a large LCD, stored, and managed via PC software or mobile app, supporting detailed analysis and reporting. Supplied with test leads, USB cable, charger, and ground stakes, it offers a complete solution for engineers, technicians, and maintenance teams working in substations, industrial plants, and infrastructure projects.