Digital Ground Resistance Tester – Wire Earth Ground Rod Tester with Backlit LCD, Auto Test Functions, AC/DC Voltage Measurement, 0.03-2000Ω Soil Resistivity Meter for Electrical Maintenance

The VIVANTECH Digital Ground Resistance Tester is a reliable, microprocessor-controlled instrument designed for electricians, maintenance professionals, and solar technicians who need accurate grounding system verification. Whether you’re working with indoor wiring, industrail equipment, or electrical machinery, this tester delivers consistent performance across a wide range of applications. With support for both 2-wire and 3-wire testing methods, it measures ground resistance from 0.03Ω to 2000Ω, ensuring you have the flexibility to handle various site conditions. The built-in AC ground voltage (up to 600V) and DC solar voltage (up to 1500V) functions meet the need for multiple tools, streamlining your testing process. The intuitive interface includes a backlit LCD for visibility in dim environments, and advanced features like automatic single-trigger testing, timed test mode, and result validity prompts help you work faster with greater confidence. Safety is a priority—the unit includes warnings for excessive auxiliary ground resistance, series interference voltage, and dangerous voltage levels, all while meeting rigorous IEC-safety standards. Backed by a complete accessory kit including test leads, auxiliary ground rods, and a durable tool bag, the VIVANTECH DY4100A is ready to perform right out of the box. Ideal for field use, electrical inspections, and preventive maintenance tasks, it’s a dependable choice for ensuring safe and effective grounding systems.

• Accurate Ground Resistance Testing. – Supports 2-wire and 3-wire testing methods with a wide measurement range up to 2000Ω. Delivers precise results with ±3% accuracy, ideal for verifying grounding systems in electrical installations, distribution panels, and industrial equipment.
• Built-In AC/DC Voltage Measurement – Easily switch to measure AC ground voltage up to 600V and DC solar voltage up to 1500V, making it a versatile tool for both grounding system diagnostics and solar panel maintenance.
• Smart Test Modes for Efficient Workflow – Features automatic single-trigger and timed test functions. The tester automatically stops when readings stabilize, and the “OK” or “NG” prompt helps quickly verify test result validity—reducing guesswork and rework.
• User-Friendly Design with Backlit Display – Large, backlit LCD screen allows for clear reading in low-light environments. Includes data hold, auto power-off, and low battery indicator to enhance convenience and battery life during extended use.
• Built for Safety and Durability – Designed to meet safety standards (CAT III 600V / CAT IV 300V). Features overrange indication, auxiliary ground resistance warning, and series interference voltage detection to ensure safe and reliable operation in demanding conditions.