UT520 series can perform precise 3-wire and simple 2-wire earth resistance measurement for power and electrical systems, lightning protection equipment, and ground system of all electrical equipment. This series is UNI-T’s introductory earth resistance tester with high economic value. Its light weight design is convenient for field work.
- Power 1.5V battery (LR6) x 6
- Display 70.6mm x 34mm
- Product color Red and grey
- Product net weight 560g
- Product size 160mm x 100mm x 70.5mm
Technical data:
Earth resistance (Ω)
- 0~40Ω ±(2%+20)
- 0~400Ω ±(2%+3)
- 0~4000Ω ±(2%+3)
- AC earth voltage (V) 0~400V ±(1%+6)
- Frequency: 50Hz/60Hz √
- Display count 4000
- Manual range √
- Auto power off Around 10 minutes √
- Low battery indication √
- Data hold √
- Data storage 20
- LCD backlight √
- Full icon display √
- Double insulation protection √
- Poor contact display "...Ω" √
- Over-range display Display "OL" √
- Simple 2-wire testing √
- Precise 3-wire testing √