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Description
BENETECH GT5307B Professional LCD Digital Insulation Resistance Tester, GT5307B Insulation Resistance TesterFeatures 1. It is suitable for measuring the insulation resistance of various electrical equipment and insulating materials such as transformer, motors, cables, switches, electrical appliances, etc. 2. Icon display alarm light on buzzer alarm three types of alarms to prevent the danger of electric shock. Multiple gears can be selected to measure high and low, and the voltage can be measured after shifting. 3. This instrument is a high performance
Features1. It is suitable for measuring the insulation resistance of various electrical equipment and insulating materials such as transformer, motors, cables, switches, electrical appliances, etc.
2. Icon display/alarm light on/buzzer alarm three types of alarms to prevent the danger of electric shock. Multiple gears can be selected to measure high and low, and the voltage can be measured after shifting.
3. This instrument is a high performance digital instrument, with large LCD display, display screen make it easy to read measurements.
4. Insulation resistance meter is beautiful, wide range, high accuracy, high resolution, convenient operation, easy to carry.
5. Resistance short circuit protection makes the measurement safer and more assured. Carry out maintenance, testing and verification of various electrical equipment.
Functions
1. Measurement of insulation resistance
2. AC measurement
3. DC measurement
4. Small resistance measurement
5. Live detection of tested resistance
6. Short circuit protection of measured resistance
7. AC and DC automatic identification
8. Measurement data is locked.
9. Polarization Index
10. Absorption ratio test
11. Automatic discharge
12. Low battery reminder
13. Large LCD screen digital display
14. External DC power supply DC9V 1.5A
15.10M internal resistance measurement
16. Over limit alarm
17. Auto range
18. Red alarm light, buzzer alarm.
19. High voltage alarm
20. Test voltage display
Specification
1. Technical parameters display: Large-screen LCD (up to 500 counts).
2. Over limit indication: Hi: The mark appears on insulation resistance range.
3. Auto range: Higher range: 500 counts, Lower range: 1 count (only on insulation resistance range)
4. Sampling Rate: 2 times / second
5. Allowed altitude: Less than or equal 2000m (for indoor use)
6. Operation environment: Temperature: 0-40 degree C / Humidity: Less than or equal 85%
7. Operation environment: Temperature: -20-60 degree C / Humidity: Less than or equal 90%
8. Overload protection: Insulation resistance range: AC 1200V / 10 seconds; Voltage range: AC 720V / 10 seconds
9. Withstand voltage:AC 6000V (50 / 60Hz) / 5 seconds (between circuit and periphery)
10. Insulation resistance: Greater than or equal 1000M ohms / DC 1000V (between circuit and periphery)
11. Power supply: DC 9V (6x1.5V AA batteries, not included)
12. Current consumption: Approximately 1.5A (normally maintained at approximately 50mA)
13. Battery Life: About 12 hours
14. Dimension: 176 x110 x 77mm
Specification:
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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
4.3 ★★★★★
Based on 25 reviews
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Product Reviews
★★★★★ 4
Okay serum, not as good as the cream though
I am obsessed with the cream version of this so I thought I’d give this a try. The dropper top allows for easy application. The formula is light and non greasy and absorbs easily. No harsh fragrances. I would use it when I had eczema flares on my face and feel like it didn’t work near as well in helping with skin irritation as the cream does. As of now I don’t use it as part of my regular skin care. Do I think it’s a bad product? No, but it didn’t really work wonders for me. Not sure I would purchase again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026
★★★★★ 5
Helps with redness and softens skin
I have sensitive, mild rosacea skin. Had a facial recently and the aesthetician suggested I get a serum to help with moisturizer as I am almost 40. I’ve tried a lot of serums and either they are sticky and not really hydrating or break my skin out in a rash. This serum is amazing. Helps calm the redness in my cheeks and my skin is moisturized and soft all day. It feels a little sticky at first but it goes away. I apply in this order OSEA sea mineral mist toner to prep the skin, this serum and top off with Chanel La Solution 10 for sensitive skin.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 27, 2025
★★★★★ 5
Sensitive skin
Such a good product. I use after micro needling when skin is sensitive. Also a great product to use as a barrier serum when starting tretinoin cream.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 24, 2026
★★★★★ 5
Saved my skin during an eczema flare up
This saved my skin!
I had an eczema flare on my face, and my usual products weren’t working. A friend recommended the Avene brand and within 3 days of using this rescue barrier serum, my flare was almost completely gone! This saved my face!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 11, 2026
★★★★★ 1
PLEASE REVIEW — FORMULA CHANGED!!!
I wish I would’ve posted a review PRIOR to the formula changing but just know that I LOVED this serum. I’ve struggled with hormonal acne (PCOS) and eczema for as long as I can remember. Finally, last summer my dermatologist put me on (3) different RX including Spironolactone and Accutane. I was so tired so I stopped everything except for CeraVe cleanser, retinol (Tretinoin) and CeraVe healing ointment. My made up skin routine was working until I used too much Tretinoin and burned my face. I had read great reviews about this product so I thought, I might as well try it — and IT WORKED! I’ve been using this product for almost a year and I loved it. However, 3 weeks ago when I ordered it, I noticed the bottle had a green tint. I could tell after one use that the feel of the serum was different, more watery, not as thick as it used to be. The smell was also different. Still, I kept using it for nearly 2 weeks and I experienced 2 breakouts! Sure enough, I stopped the product and within a few days, my skin was back to normal. I am very upset because as someone who has extremely sensitive skin, this worked but unfortunately, the new formula isn’t for me.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 14, 2026
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