Description
The UNI-T UT572 is an advanced digital earth resistance and soil resistivity tester designed for rigorous industrial and utility applications. Engineered for precision diagnostics of grounding systems, this instrument supports 2-wire, 3-wire, and 4-wire testing configurations. It is an essential diagnostic tool for evaluating the integrity of electrical substations, telecommunication towers, and heavy industrial plant grounding networks.
Technical Specifications:
Brand: UNI-T
Model: UT572
Equipment Type: Advanced Digital Earth Resistance Tester
Earth Resistance Range: 4Ω / 40Ω / 400Ω / 4kΩ / 40kΩ
Earth Resistance Accuracy: ±(3%+5)
Soil Resistivity Range: 4Ωm to 40MΩm
Test Frequencies: 94Hz / 128Hz
Disturbance Voltage Measurement: 1V to 50V AC
Disturbance Frequency Measurement: 40Hz to 500Hz
Testing Methods: 2-wire, 3-wire, 4-wire
Data Storage: 200 reading sets
Display: Large LCD with backlight
Power Supply: 8 x 1.5V AA (LR6) Alkaline Batteries
Safety Rating: CAT III 300V
Certifications: CE, RoHS
Operating Temperature: 0°C to 40°C
Dimensions: 210mm x 175mm x 90mm
Weight: 1.25 kg
Industrial Application:
The UT572 is specifically deployed in high-voltage substation maintenance and telecommunication infrastructure deployment. By accurately measuring soil resistivity before construction and verifying earth resistance post-installation, engineers can prevent catastrophic equipment failure caused by lightning strikes or fault currents. Its dual test frequencies (94Hz / 128Hz) effectively mitigate interference from commercial power frequencies, ensuring data fidelity in electrically noisy environments.
Procurement and Integration:
Built with Original Engineering standards by UNI-T, this diagnostic instrument ensures high Technical Compatibility with international grounding audit protocols. We maintain an optimized supply chain to guarantee a minimal Lead Time for critical maintenance turnarounds.
Key Attributes
Accuracy Class: ±(3%+5)
Measuring Range: 40kΩ
Testing Voltage: ,
Place of Origin: Guangdong, China
Model Number: UT572
Brand Name: UNI-T
Dimensions: 210mm x 175mm x 90mm
Display Type: Digital Only
Operating Temperature: -20℃ to 60℃
Earth resistance (Re): 40kΩ
Disturbance voltage (Ust): 50V (DC voltage/40Hz~500Hz)
Disturbance frequency (Fst): 40Hz~500Hz
Soil resistivity test distances: 1~40m
Power: 1.5V battery (LR6) x 8
Packaging and Delivery
Selling Units: Single item
Single package size: 39X24X35 cm
Single gross weight: 7.000 kg
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