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UNI-T UT572 Earth Resistance Tester

UNI-T UT572 Earth Resistance Tester

Earth resistance and soil resistivity may be measured using UT572. It has data hold and indication features, an automated interface connection checker, and the ability to identify interference voltage and frequency. For various on-site applications, including electrical equipment wiring and lightning protection equipment, it can conduct 2/3/4-wire measurements.
Regular price £219.99
Regular price Sale price £219.99
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Price with tax: £263.99

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  • Large 4-digit LCD Display, 5s sampling time
  • 2/3/4-wire earth resistance and soil resistivity measurements
  • Selectable test frequencies (94Hz/128Hz)
  • Disturbance voltage (Ust) and frequency (Fst) measurement
  • Earth resistance, RH and RS measurements
  • LCD backlight; auto power off
  • Data hold
  • 20 sets of data storage
  • Double insulation
  • Compensating resistance RK measurement
  • Certifications: CE, UKCA



Specifications Range UT572
Earth resistance (Re) ±(3%+15)
40Ω ±(3%+5)
Soil resistivity (ρ) ρ=2×π×L×Re (Depending on the test result
40Ω of Re)
Disturbance voltage (Ust) 50V (DC voltage/40Hz~500Hz) ±(3%+3)
Disturbance frequency (Fst) 40Hz~500Hz ±(1%+2)
2/3/4-wire test  
Earth resistance test frequency 94/128Hz
Soil resistivity test distances 1~40m
Earth resistance RH and RS test  
Compensating resistance RK test  
Data hold  
Data storage   20
LCD backlight  
Auto power off Around 5 minutes
Low battery indication ≤9.5V
General Characteristics
Power 1.5V battery (LR6) x 8
Display 125mm x 37mm
Product color Red and grey
Product net weight 1100g
Product size 210mm x 175mm x 90mm
Standard accessories Batteries, simple test leads with alligator clips(double plugs x 1, single plug x 1), earth spike x 4, 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), gallus
Standard individual packing Gift box, carrying bag, tool box, English manual
Standard quantity per carton 2pcs
Standard carton measurement 475mm x 378mm x 335mm (0.064CBM per standard carton)
Standard carton gross weight 14kg