The UNI-T UT572 is a professional-grade earth resistance tester designed for precise ground system evaluation and soil resistivity analysis. Engineered for electrical contractors, power system technicians, and facility maintenance professionals, this advanced instrument delivers reliable measurements for power equipment wiring, lightning protection systems, and telecommunications infrastructure. With multi-wire testing capabilities, automated connection verification, and interference detection, the UT572 ensures accurate ground resistance evaluation in diverse field conditions to maintain safety standards and electrical system integrity.
UNI-T UT572 4-Wire Ground Resistance Test Kit
Order Information
Please allow 2 - 3 weeks lead time for new product to arrive. Comes with 3 Year Manufacturer's Warrany.
Features
- Versatile Multi-Wire Testing: Supports 2-wire, 3-wire, and 4-wire measurement methods for different on-site applications
- Dual Measurement Functions: Tests both earth resistance (Re) and soil resistivity (ρ) with high accuracy
- Automatic Interface Verification: Checks connection integrity before measurements to ensure reliable results
- Interference Detection: Identifies and measures disturbance voltage and frequency that could affect readings
- Precision Measurement: Accuracy of ±(3%+5) across multiple resistance ranges up to 40kΩ
- Data Storage Capability: Saves up to 20 measurement sets for documentation and analysis
- Comprehensive Testing Kit: Includes earth spikes, long test leads (up to 40m), and alligator clips for complete field testing
- Professional Safety Rating: CAT III 600V certification for safe operation in industrial environments
Additional Features
- Data Storage: 20 measurement sets
- Test Frequency: 94Hz/128Hz
- Display Type: LCD with backlight
- Soil Resistivity Test Distances: 1~40m
- Earth Resistance RH and RS Test: Yes
- Compensating Resistance RK Test: Yes
- Data Hold: Yes
- Auto Power Off: Yes
- Low Battery Indication: ≤9.5V
- Safety Standard: CAT III 600V
- Certificates: CE, UKCA
- Power Supply: 1.5V battery (LR6) x 8
- Product Size: 210 x 175 x 90 mm
- Product Weight: 1.1kg
Included Accessories
- UNI-T UT572 Advanced Earth Resistance Tester
- Earth Spikes x 4
- Simple Test Leads with Alligator Clips (double plugs x 1, single plug x 1)
- Standard Test Leads with Alligator Clips:
- 40m red x 1
- 20m red x 1
- 20m black x 1
- 10m yellow x 1
- 5m green x 1
- Elastic Strap
- Batteries (1.5V LR6 x 8)
- Carrying Bag
- User Manual (English)
- Gift Box
Technical Specifications
Measurement Range Accuracy Earth Resistance (Re) 4Ω ±(3%+15) Earth Resistance (Re) 40Ω/400Ω/4kΩ/40kΩ ±(3%+5) Soil Resistivity (ρ) 4Ω ±(3%+15) Soil Resistivity (ρ) 40Ω/400Ω/4kΩ/40kΩ ±(3%+5) Disturbance Voltage (Ust) 50V (DC voltage/40Hz~500Hz) ±(3%+3) Disturbance Frequency (Fst) 40Hz~500Hz ±(1%+2)
