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Description
UNI-T UT501AInsulation Resistance Tester, Test Voltages 100 250V 500V 1000V, 30~750VAC, Insulation Resistance: 5. 5G, Auto Range, Low Battery Indication, LCD Backlight, Overload Indication, Alarm Indication, Buzzer, Auto Discharge, High Vltge Indication, Display Count Insulation Resistance Tester Features General Characteristics: Power : 6 x 1. 5V Alkaline batteries (Not included) LCD Size : 65mm x 27mm Product Net Weight : 500 g Product Size : 150mm x 100mm x
Insulation Resistance Tester, Test Voltages 100/250V/500V/1000V, 30~750VAC, Insulation Resistance:5.5GΩ, Auto Range, Low Battery Indication, LCD Backlight, Overload Indication, Alarm Indication, Buzzer, Auto Discharge, High Vltge Indication, Display Count
Insulation Resistance Tester
Features
General Characteristics:
- Power : 6 x 1.5V Alkaline batteries (Not included)
- LCD Size : 65mm x 27mm
- Product Net Weight : 500 g
- Product Size : 150mm x 100mm x 71mm
- Product Color : Red and Grey
- Package Size : 18.5 x 15 x 9cm / 7.3 x 5.9 x 3.7in
- Package Weight : 700g / 1.5lb
Package Included:
- 1 x UNI-T UT501A Insulation Resistance Meter
- 1 x Pair Test Lead
- 1 x Pair Alligator Clips
- 1 x Carrying Bag
- 1 x English Manual
Specifications
- Insulation Resistance(Ω): Test Voltage: 100V/250V/500V/1000V 0%~10%
- 100V : 0.00MΩ~100MΩ ±(3%+5)
- 250V : 0.00MΩ~99.9MΩ ±(3%+5) ; 100MΩ~5.5GΩ ±(5%+5)
- 500V : 0.00MΩ~99.9MΩ ±(3%+5) ; 100MΩ~5.5GΩ ±(5%+5)
- 1000V : 0.00MΩ~99.9MΩ ±(3%+5) ; 100MΩ~5.5GΩ ±(5%+5)
- Load Current: 50V(R=50KΩ) 1mA 0%~10% ; 100V(R=100KΩ) 1mA 0%~10% ; 250V(R=250KΩ) 1mA 0%~10%, 500V(R=500KΩ) 1mA 0%~10% ; 1000V(R=1MΩ) 1mA 0%~10%
- Short Circuit Current : <2mA
- AC Voltage (V) : 30V~750V ±(2%+3)
Additional Information
| Device | Tester |
| Type | Insulation | Resistance |
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
4.2 ★★★★★
Based on 19 reviews
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Product Reviews
★★★★★ 5
Great case for iPad
Color: Black
I saw a similar Zugu case for my iPad and almost bought it, but it looked like my iPad might not fit, so I hunted and found this VIKESI case, which cost about 1/3 as much as the Zugu.
It's close to perfect. My iPad fits perfectly, and the almost infinite number of angles that it permits, along with magnets to hold it in place make it ideal for working on a desk or in my lap.
The only minor downside is that it's on the heavy side, probably because of the magnets. But unless you're travelling with it (I've switched to a small Fire tablet for travel), that won't be an issue.
Highly recommended.
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Reviewed in the United States on June 5, 2026
★★★★★ 5
ipad cover
Color: Rose
love it. light but durable. like how it can be hinged from either side horizontally. no can do vertically. great bargain and colorful, got pink, the stylus holders perfect
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Reviewed in the United States on May 27, 2026
★★★★★ 5
The magnet does not stick to the refrigerator as advertised.. UPDATE ( I love it and it does stick)
Color: Pink
Although it is a nice case, it seems sturdy and it is very beautiful, my main reason for purchasewas I loved the fact that it sticked to the refrigerator. I was very disappointed to see that it does not. It’s too heavy, and it immediately begins to slide. That is the reason why I could not give it more than three stars. It disappointed me enough to where I’m really considering returning the item.
UPDATE: I found out how to make a stick to the refrigerator and I absolutely love it! I changed my review and my stars! I’m really happy.
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Reviewed in the United States on April 11, 2026
★★★★★ 4
Great Protection, Great Fit — One Small Flaw
Color: Forest Green
I really love this case. It protects the iPad well, fits perfectly, and is still easy to put on and take off. The pencil holder is especially nice — it keeps the Pencil secure without feeling loose or flimsy.
My only complaint is that some USB‑A to USB‑C adapters don’t have enough clearance to plug in. The edge of the case blocks certain adapters from seating properly. It’s the only issue I’ve run into, but it’s worth mentioning if you rely on chunkier adapters.
Aside from that, this is an excellent case and one I’m happy to use every day.
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Reviewed in the United States on April 9, 2026
★★★★★ 5
Ipad case
Color: Black
It is very well made! Sturdy and easy to use. Has a great stand to watch videos and such. Perfect fit for my IPad. Easy to install.
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Reviewed in the United States on May 3, 2026