UNI-T UT572 Advanced Earth Ground Tester

UNI-T UT572 Advanced Earth Ground Tester in Sri Lanka

Professional Earth Ground Resistance Tester with Automated Interface Checking

The UNI-T UT572 Advanced Earth Ground Tester is a high-specification instrument designed for professional-grade earth ground resistance measurement with automated interface checking, intelligent interference detection, and multi-mode testing capability. It is engineered for electrical engineers and utility professionals in Sri Lanka who demand superior measurement reliability and automated diagnostic validation when testing complex earthing systems and grounding grids at critical infrastructure sites.

Explore our complete range of Earth Resistance Testers — digital earth testers, ground resistance meters, and loop impedance instruments in Sri Lanka!

The UT572's auto interface check function automatically validates the test circuit connections and electrode contact conditions before taking measurements, eliminating the risk of inaccurate readings caused by poor electrode contact or broken leads — a critical advantage for high-stakes earthing compliance testing at substations and industrial power plants.

Technical Specifications

Earth Resistance Range: 0.00Ω~30kΩ (multi-range auto)

Resolution: 0.01Ω

Accuracy: ±(2%+5dgts) at low range

Test Frequency: Auto-selectable multi-frequency

Interface Auto Check: Automatic electrode connection validation before measurement

Interference Detection: Advanced AC and DC stray current detection with intelligent filtering

Test Methods: 3-pole, 2-pole, and selective measurement modes

Display: Large backlit graphic LCD

Power: Rechargeable Li-ion battery

Key Features

Automated Interface Check: Validates all electrode connections and auxiliary spike contact resistance before measurement starts — prevents false readings from poor electrode placement

Advanced Interference Filtering: Detects and compensates for AC power-frequency and DC stray currents for accurate results in electrically noisy substations and industrial facilities

Auto Multi-Frequency Test: Automatically selects optimal test frequency to minimize interference effects for each measurement

Multi-Mode Testing: Supports 3-pole, 2-pole, and selective measurement for comprehensive earthing system analysis

Large Graphic Display: Shows connection status, interference level, and resistance values simultaneously for complete measurement context

Rechargeable Battery: Built-in Li-ion pack for extended field use without battery replacement downtime

Applications

Earth resistance testing at high-voltage substations and power generation facilities

Grounding grid resistance measurement at data centres and critical IT infrastructure

Lightning protection earth electrode testing at communication towers and broadcast masts

Industrial earthing system commissioning and periodic compliance inspection

Package Includes

1 × UNI-T UT572 Advanced Earth Ground Tester

4 × Test lead wires

4 × Auxiliary earth spikes

Rechargeable battery pack and charger

Hard carry case

English user manual

For stakeless clamp-type earth testing that eliminates the need for auxiliary spikes altogether, explore the UNI-T UT575B Double Clamp Stakeless Earth Tester.

Downloads

📄 Download UNI-T UT572 Data Sheet
📄 Download UNI-T UT572 User Manual