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⚡ Power up your precision with Klein’s ET250 — where safety meets smart innovation!
The Klein Tools ET250 is a professional-grade digital voltage and continuity tester designed for millennial managers who demand precision and safety. Featuring automatic voltage detection, a backlit LCD, integrated flashlight, and CAT IV 600V safety rating, it ensures reliable performance in any lighting or electrical environment. Its GFCI testing capability and smart lead storage make it an indispensable tool for modern electrical diagnostics, backed by over 160 years of trusted Klein craftsmanship.












| ASIN | B071Z1R8ZG |
| Best Sellers Rank | #35,580 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #32 in Voltage Testers |
| Brand | KLEIN TOOLS |
| Brand Name | KLEIN TOOLS |
| Color | Black, Orange, Red |
| Compatible Devices | Standard multimeter test leads |
| Customer Reviews | 4.6 out of 5 stars 1,381 Reviews |
| Global Trade Identification Number | 00092644690372 |
| Included Components | Voltage/Continuity Tester |
| Item Dimensions | 2.33 x 1.64 x 6.05 inches |
| Item Type Name | Klein Tools ET250 Voltage Meter, AC Voltage / DC Voltage Tester, Digital Multimeter, Low Voltage Tester with Batteries |
| Item Weight | 6 Ounces |
| Item dimensions L x W x H | 2.33 x 1.64 x 6.05 inches |
| Manufacturer | Klein Tools |
| Measurement Type | Multimeter |
| Model | ET250 |
| Part Number | ET250 |
| Power Source | Battery Powered |
| Style | AC/DC Voltage & Continuity |
| Style Name | AC/DC Voltage & Continuity |
| UPC | 092644690372 |
| Unit Count | 1.0 Count |
| Warranty Description | Please refer to attached warranty document. |
A**R
Good product for the money
Good product the price was decent and it works good. I just use it for household electrical. The insulation tips on the probe can detach so you can test the normal outlets by sliding in to check if it has power or not I had read one of the reviews where it said the probes would not fit inside a normal outlet, but I think it’s because maybe they didn’t know the insulation tips can be removed so the point of it can be longer and fit inside the outlet to test it just fyi.
M**H
Great and easy to use
Great tool and easy to use!
R**E
Worth every cent
Work great
A**R
Works fine but connection loosen easily
This is an accurate and functional multimeter. The display is clear, it's easy to hold and it has plenty of uses. The one issue I have with it - thus the 4 star rating - is that the connecting plugs on it tend to slip out as your using it which makes for a frustrating experience at times. They seem to be pretty standard connectors but they don't have enough grip on them. Otherwise it's good unit.
W**L
Been using this over 6 years now
I've had this for over 6 years now and it's still going strong. I love how easy it is to use.
P**N
Good little meter
Great everyday meter from general maintenance, can perform basic diagnostics (continuity, resistance, voltage ac/dc, maybe a couple others, off hand can’t remember). If you routinely need more advanced diagnostics, not the meter for you. Otherwise tucks away nice in your bags and about half the weight and size of a full on meter.
G**E
Perfect
great!
M**T
Continuity
This meter does not have the ability to chevk for continuity
P**N
Really good , works well 👍👍
Very good brand
F**E
Sent open packages, not brand new item
Sent open packages, not brand new item
A**E
Antonio Andrade
Unico detalle es que no trae cables
D**B
Great product
Love it. Just what I was looking for
R**N
Easy and simple
Very easy to use. No resistance setting. Easily audible. Just turn on and use the probes. Comparable to the old wiggles
Trustpilot
2 weeks ago
1 month ago