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Extech 380260 Autoranging Digital Insulation Tester

4.3 out of 5 stars 10 customer reviews

Price: $249.99 & FREE Shipping. Details
Pay $20.74/month for 12 months ($249.99 total) with Equal Pay Financing on the Amazon.com Store Card. Learn more
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  • Measures insulation resistance up to 2000M?
  • 250V, 500V and 1000VDC test voltages
  • Measures AC voltage up to 750V and DC voltage up to 1000V
  • Continuity and 200? and 200k? resistance ranges
  • Dual backlit LCD display test voltage and insulation resistance
13 new from $239.99 1 used from $204.55
$249.99 & FREE Shipping. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

  • Extech 380260 Autoranging Digital Insulation Tester
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Total price: $266.98
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Technical Details

Style: Digital
  • Portable

Product Description

Style: Digital

Product Description

This autoranging digital megohmmeter provides three test ranges plus continuity and AC/DC voltage measurement. Unit features a test lock, data hold to freeze displayed readings, and low resistance functions as well as an easy to read backlit dual LCD display. Meter measures insulation resistance to 2000 MΩ and includes over range indicator and automatic zero adjust. Auto discharge is activated after releasing the test button - discharging stored voltage automatically. To conserve battery life, meter automatically shuts off after fifteen minutes of non-use. Test AC or DC motors, power tools or appliances Lock power on function allows for hands free operation Rugged design is ideal for harsh environments

From the Manufacturer

Autoranging megohmmeter measures insulation resistance up to 2000M?. Choice of 250, 500 or 1000VDC test voltages. Large backlit dual display indicates test voltage output and insulation resistance. Low resistance, continuity and AC/DC voltage measurement functions. Other features include automatic discharge at end of test, protective holster with stand, power lock on feature and data hold. Complete with test leads, carrying case and 6 AA batteries.

Product Information

Style:Digital

Technical Details

Part Number EXT380260
Item Weight 2.2 pounds
Product Dimensions 7.8 x 1.9 x 3.6 inches
Item model number 380260
Batteries 6 AA batteries required. (included)
Size 1
Color orange and green
Style Digital
Item Package Quantity 1
Number Of Pieces 1
Special Features Portable
Batteries Included? Yes
Batteries Required? Yes
Warranty Description 1 year parts and labor

Technical Specification

Additional Information

ASIN B000EWW2UA
Customer Reviews
4.3 out of 5 stars 10 customer reviews

4.3 out of 5 stars
Best Sellers Rank #162,143 in Home Improvements (See top 100)
#7 in Home Improvement > Electrical > Testers > Resistance Meters > Insulation Resistance Meters
Shipping Weight 2.8 pounds (View shipping rates and policies)
Date First Available March 8, 2006

Warranty & Support

Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

By Tom on December 15, 2015
Style Name: Digital Verified Purchase
This is a nice meter. It seems as well built as my old HD Beckman DMM, and that was the best there was in build quality..nicer than the F brand in my opinion.

Mine came with a plastic case, a set of leads, and an extra negative lead that has an alligator clip. That's handy, because it lets me test in mid air. Just clip one wire, hold the other wire against the positive lead with one hand, hold the meter with the other and press the button. I thought I'd use the locking function more than I do, but it's actually easier to just hold the button. That lets you hold the lead and release the test button, which auto drains the voltage off the wires. If you just keep the leads hot, you can test, but with good and long wires, there's enough capacitance to hold a charge on the lines and give you an annoying shock.

All in all, very happy. If you don't need more than 2000 MOhm at 1kV, this is a very good deal. No issue with battery drain, and not sure how you would, as the main switch seems to turn off power to everything.
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Style Name: Digital Verified Purchase
As an electrical contractor we had a project that required testing every cable within the residence. This meter performed like some of the more expensive units that I have used in the past. It was easy to handle and uncomplicated to use. I have had three projects where I had to used this meter. It's already paid for itself.
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Style Name: Digital Verified Purchase
Purchased this for what I thought was a one time use, needed a 1000v megohmmeter to test cable insulation. Since receiving this product I was also able to retire my older multimeter. I did a lot of research prior to my purchase since I needed the tool for 1 job therefore not wanting to spend too much. This tool has all the features as other units costing $100's more, I am very happy with this purchase.
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Style Name: Digital Verified Purchase
First unit purchased: did not work. Similar replacement unit gave erroneous readings. I had to buy Fluke 1507 megohmeter to check insulation status of floor-heat cables. What is impressive is Amazon's return policy which I would give 5 stars.
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Style Name: Digital Verified Purchase
For the money you can't go wrong. The thing works. Maybe it's not a Fluke, but how many of us need a Fluke? Buy it.
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