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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
4.0 ★★★★★
Based on 13 reviews
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Product Reviews
★★★★★ 5
BUY IT!!
Color: Light Gray, Size: Standard
Love the material super soft and smooth like silk. It’s also nice and cold for when I got to bed! Definitely recommend
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Reviewed in the United States on June 3, 2026
★★★★★ 5
Actually feels cool at night
Color: Light Gray, Size: Standard
I’ve been using these for several days now and I did notice a difference. I tend to get hot while sleeping, so I was curious if they would actually help, and they do feel cool when you lay on them. I also like that they’re soft and comfortable, not that weird texture some “cooling” products have. So far, I’ve been really happy with them.
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Reviewed in the United States on May 23, 2026
★★★★★ 5
🧊 PERFECT for hot sleepers!! BUY THEM 🤩
Color: 01 - Light Grey, Color: 01 - Light Grey
🧊🧊 baby 🤩😍 I am OBSESSED!! Pillow whore here 🤭 and I very rarely find anything worth writing a 5 star review for but let me just save you the time of searching anymore for the PERFECT pillow cases for hot sleepers!!! BUY THEM! 😍 I promise you will NOT be disappointed!! I have spent so much $ on pillow cases over the years, trying to find the perfect cooling ones... These are it!! 🤭🥳
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Reviewed in the United States on May 8, 2026
★★★★★ 5
It fit perfect
Color: 01 - Light Grey
The pillow case fit correctly. It's a great quality comfortable and very soft. Will definitely buy more.
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Reviewed in the United States on March 29, 2026
★★★★★ 4
Cooling pillows case
Color: 01 - Light Grey
Not bad good fit
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Reviewed in the United States on December 28, 2025