UNI-T UT572 4-Wire Ground Resistance Test Kit

• 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

• 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

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)