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Extech

Extech MG310 Compact Digital Insulation Tester, 250/500/1000V

✅ In stock
F
Grade
💤 Not a Deal
0/100
Current Price
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.
$383.99
Listed $450.99
Save $67.00 15% OFF
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Apr 11, 2026 9:39 PM · Prices & availability subject to change

Is This a Good Price on Amazon?

💤 Not a Deal
  • 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
  • ➡️Pricing has held fairly steady, with no strong push in either direction.

How We Scored This Deal

Price Competitiveness 0/28
Recent Value 0/22
Market Standing 0/20
Deal Strength 0/20
Momentum 0/10

📝 Product Overview

🏪 Sold by Amazon.com

Product Details

Wide Testing Range for Any Job - Handle insulation resistance tests up to 2000MΩ with selectable voltages of 250V, 500V, or 1000V. Perfect for troubleshooting motors, transformers, and industrial wiring systems.
Clear & Easy-to-Read Display - Large LCD screen with dual readout makes it simple to monitor insulation resistance and test voltages, even in dimly lit or busy environments.
Hands-Free Operation When You Need It - Convenient lock power-on function allows continuous testing without holding the button, making repetitive insulation checks safer and less fatiguing.
Built Tough for Professionals - Rugged design ensures durability for field technicians and maintenance crews, with reliability you can count on in demanding electrical and industrial applications.
Complete Kit Ready to Work - Includes test leads, batteries, and carrying case, so you can get started immediately. Ideal for electricians, HVAC techs, and plant engineers who need accurate results fast.

⚙️ Specifications

Brand
Extech
Power Source
Battery Powered
Style
MG310
Color
Green
Item Weight
1.3 pounds
Item dimensions L x W x H
11.93 x 2.87 x 9.06 inches
Min. Operating Voltage
250 Volts
Specification Met
CE
Upper Temperature Rating
60 °C
Measurement Type
Ohmmeter
UPC
793950380109
F
$383.99
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