Skip to content
Save 10% Now with PROMO CODE: "SANTA10" 🎅🏻+ Free Shipping on Orders Over $49! Exclusions apply for select brands.
Save 10% Now with PROMO CODE: "SANTA10" 🎅🏻+ Free Shipping on Orders Over $49! Exclusions apply for select brands.
Klein Tools ET40 Digital AC/DC Voltage Tester, 12-240V AC, 1.5-24V DC, LED Illumination, DC Polarity, Auto Off, CATIII 250V-Class 2- Double Insulation, IP4 Dust and Water Resistant
Klein Tools

Klein Tools ET40 Digital AC/DC Voltage Tester, 12-240V AC, 1.5-24V DC, LED Illumination, DC Polarity, Auto Off, CATIII 250V-Class 2- Double Insulation, IP4 Dust and Water Resistant

Klein Tools Part # ET40 | UPC: 92644691836
Availability:
in stock
$17.97 - $17.97
$17.97
$17.97 - $17.97
$17.97
Return Policy & Eligibility

Return Policy
We accept returns on most items within 30 days of purchase. However, the following items are NOT eligible for return:

  • Built-to-order or custom-made products (e.g., Rolair Air Compressors)
  • Gas-powered equipment (e.g., Generators, Power Washers, Chainsaws)
  • Pneumatic tools (e.g., Nail Guns, Paint Sprayers)
  • Ladders, scaffolding, or climbing equipment
  • Fall protection equipment (e.g., Lanyards, Harnesses)
  • Batteries
  • Used consumables or accessories (e.g., Sandpaper, Saw Blades)
  • Guide rails longer than 95 inches
  • Cast iron equipment (e.g., Table Saws, Drum Sanders)
  • Clothing (all sales are final)

For more details on eligible items and our full return instructions, please click here to view our complete policy.

Features: 

  • Voltage Tester for AC voltages from 12V to 240V AC at four useful levels aligned with commonly used residential voltages
  • Tests DC voltages from 1.5V to greater than 17 to 24V at four useful levels aligned with commonly used DC voltages
  • Bright LEDs illuminate to indicate the type and level of voltage detected
  • Built to withstand a 9.8-Foot (3 m) drop
  • Indicates polarity when measuring DC voltages
  • Powers off automatically after approximately 2 minutes of non-use to conserve battery life
  • CATIII 250V, Class 2, Double insulation
  • Ingress protection IP41 dust and water resistant
  • Built-in test lead holders on sides of tester
  • Low battery indicator with easily accessible battery compartment

Customer reviews

(0)

0 Out of 5 Stars


Showing - Of Reviews

Details: 

Klein Tools ET40 is an Electronic AC/DC Voltage Tester. It features indicators for positive and negative DC polarity, and tests DC voltages as low as 1.5V. It tests AC voltages 12-240VAC. Excellent for checking, verifying or troubleshooting common residential electrical wiring in electrical outlets, light fixtures, doorbells and more. It operates on 2 x AAA batteries. For more than 160 years, Klein Tools has manufactured premium-quality, professional-grade hand tools that deliver the performance, durability and precision needed to get the job done right. Our family of engineers, workers and craftsman continue to put six generations of expertise into every tool we create by using only the highest quality materials, superior workmanship, and keeping manufacturing as close to home as we can. Klein isn't just the name of our company, it's also our family name. And since we're an American company that's family-owned and family-run, you know you can count on us to be here tomorrow. Klein Tools doesn't just make great products, we make great products that stand up to the demands of the professionals who use them every day ... Since 1857.

Fast & Free Shipping

And Orders Over $49 Ship Free

100% Money Back

30-Day Returns

Online Support

Chat With Our USA Based Team

Authorized Retailer

Shop with Confidence