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⚡ Power up your diagnostics with confidence and clarity!
The Extech 380320 Analog Insulation Tester is a rugged, battery-powered megohmmeter designed for professionals needing reliable insulation resistance testing up to 400MΩ. Featuring selectable test voltages up to 1000V, a large analog display, live AC voltage warning, and a lock power-on function, it comes complete with all necessary accessories for field-ready performance. Ideal for troubleshooting motors, cables, and high voltage equipment with precision and safety.
| ASIN | B0038KS2EK |
| Batteries | 6 AA batteries required. (included) |
| Best Sellers Rank | #307,615 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #45 in Insulation Resistance Meters |
| Brand | Extech |
| Color | Green |
| Date First Available | February 15, 2010 |
| Global Trade Identification Number | 00793950803202 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 1.21 pounds |
| Item dimensions L x W x H | 7.9 x 3.6 x 2 inches |
| Item model number | 380320 |
| Manufacturer | Extech |
| Min. Operating Voltage | 250 Volts |
| Power Source | Battery Powered |
| Product Dimensions | 7.9 x 3.6 x 2 inches |
| Specification Met | (Unset) |
| Style | 380320 |
| UPC | 793950803202 |
N**N
Great megger despite the low price.
I like being able to calibrate the needle and I like the adjustable voltage output. I had a 480v 3 phase motor that was tripping a vfd on a ground fault intermittently but would run no problem on bypass. I put this megger to it and it tested ok at 250v, very sketchy at 500v, and an apparent direct short to ground at 1000v. I was very impressed that a $200 meter was able to clearly show evidence of insulation break down. We had the motor redipped and replaced. The motor megged good at 1000v. I have been using this meter once a week for over a year now.
T**R
AWESOME
this is the coolest megger i have ever used! Easy, effective, I find shorting wires and bad motor leads with it effortlessly. THANKS!
B**K
Solid dependable device
Solid dependable device. Also goes up to 1000v, which many other competing devices do not do.
G**R
Five Stars
A real nice tool to have around when you are building high voltage battery packs for vehicles.
J**F
Watch the button
It’s as described, the buttons for testing after the third use stuck in depressed state. I had to work the button to get unstuck. I hope I can get my moneys worth from tester.
C**I
Seems to work well. Feels and looks cheap but functional.
Seems to work well. Feels and looks cheap but functional. Its not a fluke but its good for the price. Serves its purpose.
J**N
Five Stars
Excellent
N**S
waste of money.
This insulation tester sucks even when you turn it off the battery drains. had to install kill switch direct to battery so it won't drain...
F**C
bon produit assez simple d'utilisation
Trustpilot
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