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Description
UNI-T UT522 Earth Ground TesterSpecifications Range UT522 Earth resistance () 0~20 0~200 0~2000 0~40 (2%+20) 0~400 (2%+3) 0~4000 (2%+3) AC earth voltage (V) 0~200V 0~400V (1%+6) Frequency: 50Hz 60Hz Features 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 Over range display Display OL Simple 2 wire testing Precise 3 wire testing General
| Specifications | Range | UT522 |
| Earth resistance (Ω) | 0~20Ω | |
| 0~200Ω | ||
| 0~2000Ω | ||
| 0~40Ω | ±(2%+20) | |
| 0~400Ω | ±(2%+3) | |
| 0~4000Ω | ±(2%+3) | |
| AC earth voltage (V) | 0~200V | |
| 0~400V | ±(1%+6) | |
| Frequency: 50Hz/60Hz | √ | |
| Features | ||
| 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 | √ | |
| General Characteristics | ||
| 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 | |
| Standard accessories | Batteries, simple test leads with alligator clips, standard test leads with alligator clips, | |
| earth spike, gallus | ||
| Standard individual packing | Gift box, carrying bag, English manual | |
| Standard quantity per carton | 8pcs | |
| Standard carton measurement | 530mm x 300mm x 350mm (0.056 CBM per standard carton) | |
| Standard carton gross weight | 19kg | |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 21 reviews
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Product Reviews
★★★★★ 5
Great ball for dogs
Murphy’s favorite ball!!!
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Reviewed in the United States on February 18, 2026
★★★★★ 5
Great toy
Color: Blue
Great toy, too bad my Shih Tzu is afraid of it. I love the way the movement is subtle and random.
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Reviewed in the United States on May 21, 2026
★★★★★ 5
Best toy for dogs
Color: Blue
My dog plays with this for hours!
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Reviewed in the United States on May 14, 2026
★★★★★ 4
I wouldn’t recommend this for strong chewers.
Color: Orange, Color: Orange
Is it fun? Sure. Was it easy to charge and set up? Yep. That being said, this toy kind of fell flat for me. It really didn’t do any big movements once charged that I expected it to, so that was a bummer. I initially got it for my dog, but my cats were more interested in this than my dog was. The battery does seem to last a long time and the motor is pretty quiet. I WOULD NOT recommend this toy for strong chewers as the material for this is a foam rubber and I don’t think it’s durable enough for strong chewers. While the material makes this ball extremely lightweight for more movement, a strong chewer would have this disintegrated in five minutes flat. My Dog is a super strong chewer. I don’t think I would feel comfortable leaving him unattended with this because I know he would destroy it.
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Reviewed in the United States on May 5, 2026
★★★★★ 5
Interactive puppy fun
Color: Blue
Pups love this and I enjoy watching them have so much fun. Serious playtime followed by a well earned nap!
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Reviewed in the United States on May 4, 2026