Professional Digital Earth Tester – High Precision & Complete Kit

Ultra-Accurate Measurements
Precision-engineered with advanced circuitry for reliable earth resistance testing (0.00Ω–2000Ω), ensuring safety compliance for industrial and residential electrical systems.
Robust Build & Premium Materials
Features a shock-resistant ABS casing, reinforced probe tips, and corrosion-resistant alloy wires for durability in harsh environments like construction sites or outdoor utility maintenance.
Complete Ready-to-Use Kit
Includes UNI-T521 tester, detachable probes, 20m test wire (high-conductivity copper core), backup battery, and waterproof carry case—no extra purchases needed.
Fast Bulk Orders, Global Stock
Wholesale-ready with bulk pricing (lowest online). Ships worldwide from our warehouses for seamless large-scale procurement. Ideal for electricians, contractors, and hardware distributors.
One-Click Compliance
Meets IEC 61557 standards for grounding tests, perfect for solar panel installations, factory audits, and telecom tower maintenance.
Efficiency Upgrade
Auto-ranging function and backlit LCD reduce human error, speeding up inspections by 40% vs traditional models.
Note:
Specifications may vary by region. Contact for bulk quotes or OEM requests.