DY4300A Digital Earth Resistance Tester, 2/3/4 Wire High Precision Ground Resistance & Soil Resistivity Meter, 0.001Ω-200kΩ Wide Range, Auto Range, 4 Test Frequencies

Specifications - Model: DY4300A - Measurement Mode: 2-wire / 3-wire / 4-wire - Ground Resistance Range: 0.001Ω ~ 200kΩ - Resolution: 0.001Ω - Test Frequency: 94Hz / 105Hz / 111Hz / 128Hz (adjustable) - Max Test Current: 80mA - Max Test Voltage: 10Vrms - Measurement Accuracy: Industrial high precision (2% grade) - Product Size: 150*100*70mm - Function: Ground Resistance Test, Soil Resistivity Automatic Calculation - Application: Power, Construction, Railway, Petrochemical, Electrical Maintenance Package Includes - 1 x DY4300A Ground Resistance Tester - 1 x Complete Set of Test Accessories - 1 x English User Manual - 1 x Portable Storage Box

• 2/3/4-Wire Multi-Measurement Mode & High Precision – The DY4300A professional grounding tester supports 2-wire, 3-wire and 4-wire measurement methods, perfectly solving the inaccurate measurement problem caused by ground wire resistance. It features ultra-high precision with a resolution up to 0.001Ω and a precise measurement range of 0.001Ω-200kΩ, meeting the strict testing standards of various industrial grounding projects.
• Accurate Soil Resistivity Detection & Auto Calculation – Equipped with professional soil resistivity testing function, the tester can automatically calculate soil resistivity data after setting the distance of auxiliary grounding rods, eliminating manual calculation errors. Built-in 4 optional test frequencies (94Hz/105Hz/111Hz/128Hz) effectively avoids industrial frequency interference, ensuring stable and reliable test data in complex electromagnetic environments.
• Intelligent Auto Range & Fast Response Testing – Adopts intelligent automatic range switching technology, no need for manual gear adjustment during detection, greatly improving work efficiency. The maximum test current reaches 80mA and the test voltage is 10Vrms, with fast data response and stable reading, suitable for batch and long-term grounding detection work.
• Industrial Grade Durability & Portable Design – Made of high-strength engineering plastic shell, wear-resistant, drop-proof and dust-proof, adaptable to harsh construction sites, outdoor power maintenance and railway operation environments. Compact size (150*100*70mm) and lightweight body, easy to carry and store, supporting long-time field work without burden.
• Wide Application & Professional After-Sales – Ideal for electric power engineering, building grounding, railway communication, petrochemical, industrial factory grounding detection and maintenance.