UNI-T UT521 Digital Earth Tester Ground Insulation Resistance Meter
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 lightweight design is convenient for fieldwork.
Specifications | Range | Accuracy |
Model | UT521 | |
Earth Resistance (Ω) | Ω~20Ω | ±(2%+10) |
Ω~200Ω | ±(2%+3) | |
0~2000Ω | ±(2%+3) | |
AC Earth Resistance (V) | 0~200V | ±(1%+4) |
Frequency: 50Hz/60Hz | yes | |
Features | ||
Display Count | 2000 | |
Manual Range | yes | |
Auto Power Off | About 10 minutes | yes |
Low Battery Indication | yes | |
Data Hold | yes | |
Data Storage | 20 | |
LCD Backlight | yes | |
Full Icon Display | yes | |
Double Insulation Protection | yes | |
Contact Badness Indication | Port C or Port E don't contact display"---Ω" | yes |
Overload Indication | Display "OL" | yes |
Simple 2-Wire Testing | yes | |
Precision 3-Wire Testing | yes | |
General Characteristics | ||
Power | 1.5V AA Batteries * 6(not included) | |
LCD Size | 70.6*34mm/2.8*1.3in | |
Product Color | Red and grey | |
Product Net Weight | 560g | |
Product Size | 160*100*70.5mm/6.3*3.9*2.8in | |
Standard Carton Gross Weight | Approx.2112g/74.5oz | |
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