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Ground loop resistance meter UT522 UNI-T
3573766 UT522
6935750552209
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UT520 Series Digital Ground Loop Testers
The UT520 series can perform accurate 3-wire and simple 2-wire earth resistance measurements for power and electrical systems, lightning protection equipment and the grounding system of all electrical equipment. This series is the entry-level UNI-T earth resistance tester with high economic value. Its lightweight design is convenient for outdoor use.
UT520 series models: UT521, UT522
Features of UT520 Series Digital Earth Testers
Certificates: CE, UKCA
● Manual range
● Low battery indication
● Data storage
● LCD screen backlight/auto power off
● Full icon display
● Double insulation protection
● Poor contact reading: "...Ω"
● Overrange indication: "OL".
● Simple 2-wire testing
● Accurate 3-wire testing
UT520 Series Digital Earth Tester Specifications
Specifications | Range | UT521 | UT522 |
Earth resistance (Ω) | 0~20Ω | ±(2%+10) | |
0~200Ω | ±(2%+3) | ||
0~2000Ω | ±(2%+3) | ||
0~40Ω | ±(2%+20) | ||
0~400Ω | ±(2%+3) | ||
0~4000Ω | ±(2%+3) | ||
AC ground voltage (V) | 0~200V | ±(1%+4) | |
0~400V | ±(1%+6) | ||
Frequency: 50Hz/60Hz | √ | √ | |
Features | |||
Show number | 2000 | 4000 | |
Manual range | √ | √ | |
Automatic shutdown | About 10 minutes | √ | √ |
Low battery indication | √ | √ | |
Data retention | √ | √ | |
Data storage | 20 | 20 | |
LCD screen backlight | √ | √ | |
Full icon display | √ | √ | |
Double insulation protection | √ | √ | |
Poor contact display | "...Ω" | √ | √ |
Overrange display | Show "OL" | √ | √ |
Simple 2-wire testing | √ | √ | |
Accurate 3-wire testing | √ | √ | |
General characteristics | |||
Power supply | 1.5V battery (LR6) x 6 | ||
Screen | 70.6mm x 34mm | ||
Product color | Red and gray | ||
Product net weight | 560g | ||
Product size | 160mm x 100mm x 70.5mm | ||
Standard accessories | Batteries, simple test leads with alligator clips, standard test leads with alligator clips, | ||
Standard individual packaging | Gift box, bag, English manual | ||
Standard quantity per box | 8 pcs. | ||
Standard cardboard box measurement | 530mm x 300mm x 350mm (0.056 CBM in standard carton) | ||
Standard gross weight of a carton box | 19 kg | ||