UNI-T

UNI-T UT572 Earth Tester

Name: UNI-T UT572 Earth Tester
Brand: UNI-T
Price: 278000.0 LKR
Availability: InStock

Rs 278,000.00 LKR

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UNI-T UT572 Advanced Earth Resistance Tester & Soil Resistivity Meter

The Professional Standard for Lightning Protection & Grounding Grids

The UNI-T UT572 is the ultimate solution for engineers requiring precise soil resistivity analysis and earth ground testing in Sri Lanka. Unlike standard testers, this advanced 4-pole (4-wire) earth tester eliminates lead resistance errors, ensuring strict compliance for critical infrastructure like telecommunication towers, power substations, and industrial lightning protection systems.

Designed for the rigorous demands of field engineers, the UT572 offers a massive 40kΩ resistance range and superior interference rejection. Whether you are conducting a Wenner method soil survey or a routine electrical safety audit, the UT572 delivers the accuracy required for certification. It features a rugged, double-insulated housing and a large backlit LCD, making it reliable even in high-noise environments near power grids.

Key Features of this 4-Pole Earth Tester

True 4-Pole (4-Wire) Precision: Leverage the gold standard for accuracy. By using 4 wires, the UT572 earth tester eliminates test lead resistance, providing the exact resistance value of the earth ground system—critical for meeting low-resistance requirements.
Advanced Soil Resistivity (ρ) Measurement: Essential for designing earthing systems. The UT572 automatically calculates soil resistivity using the Wenner 4-pole method, allowing you to determine the optimal depth and location for grounding electrodes.
Interference & Noise Rejection: Working near a substation? The unit automatically detects and filters out interference voltage (up to 50V) and offers selectable test frequencies (94Hz/128Hz) to ensure stable readings in noisy environments.
Versatile Testing Modes (2/3/4-Pole): One tool for all scenarios. Switch instantly between 2-pole (simple continuity), 3-pole (standard earth testing), and 4-pole (precision resistivity) modes.
Large Backlit LCD & Data Storage: Save up to 20 sets of critical measurement data directly on the device. The large display ensures visibility in bright sunlight or dark control rooms, featuring data hold and auto power-off.
Rugged Field Design & Safety: Robust housing meets EN 61010 safety standards with CAT III 300V rating. Equipped with double insulation and comprehensive protection against overloads.
Complete Professional Kit: Supplied with extra-long precision test leads (up to 40m), auxiliary earth spikes, and a hard carrying case for immediate deployment on-site.

Ideal Applications in Sri Lanka

This digital earth tester is specifically recommended for:

Lightning Protection Systems: Verify low-impedance paths for telecom towers, high-rise buildings, and communication arrays to ensure effective dissipation of lightning strikes.
Power Substation Grounding: Test large grid meshes and transformer installations where 4-wire accuracy is mandatory for safety compliance.
Geological & Soil Surveys: Measure soil resistivity (Rho) to design safe and efficient grounding systems for new construction projects and industrial sites.

Technical Specifications for UNI-T UT572

Product Name: UNI-T UT572 Advanced Earth Resistance Tester
Earth Resistance Range (Re): 4Ω / 40Ω / 400Ω / 4kΩ / 40kΩ (±3% Accuracy)
Soil Resistivity Range (ρ): 4Ωm to 40kΩm (Wenner Method, adjustable spacing)
Disturbance Voltage: Max 50V (Automatic filtering 40-500Hz)
Test Frequencies: Selectable 94 Hz / 128 Hz
Display: Large 4-digit LCD, backlit, 125mm × 37mm
Storage: 20 measurement records
Safety Standards: EN 61010-1 CAT III 300V, double insulation
Power Source: 8 × 1.5V AA alkaline batteries
Dimensions: 210mm × 175mm × 90mm