


Multi-Function Insulation Tester, Digital
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Multi-Function Insulation Tester, DigitalSpecifications Display Type Digital Voltage Ranges 250V, 500V, 1000V Voltage Accuracy DC (0. 8% rdg. + 3 dgt.), AC (1. 2% rdg. + 10 dgt.) OHMS Measurement Ranges 200 , 2000 OHMS Accuracy (1. 0% rdg. + 2 dgt.) Meg OHMS Ranges 200M 250V, 2000M 500V, 0 1000M 1000V, 1000 2000M 1000V Meg OHMS Accuracy (3. 0% rdg. + 5 dgt.) Range Selection Autoranging & Manual Sampling Time 2. 5 times sec. Continuity Check Audible Signal if Resistance 40
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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★★★★★ 5
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Size: 0.35 x 2.36 Inch
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Reviewed in the United States on March 10, 2026
★★★★★ 5
Good quality
Size: 50-Foot, Style: 90° Locking End
Good quality and has that special little notch that allows it to fit into my receptacle easily. It. It has a nice long, reach 100 feet.
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Reviewed in the United States on May 20, 2026
★★★★★ 5
Works great and fits well
Size: 50-Foot, Style: 90° Locking End
No issues. Not sure why people people.cmaim it doesn't seat...its does.and works great. Im in a desert environment in Nevada and it is putting up with the heat well.
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Reviewed in the United States on June 8, 2026
★★★★★ 5
It works well
Size: 25-Foot, Style: 90° Locking End
This is a great product
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Reviewed in the United States on May 31, 2026
★★★★★ 5
Works great.
Size: 25-Foot, Style: 90° Locking End
Perfect for our camper.
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Reviewed in the United States on May 11, 2026