Electronic AC/DC Voltage Tester

Stock status: In stock
Country: United Kingdom
Description Specifications

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 1.5-Volt. 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 2x AAA batteries.

  • Tests AC voltages from 12-Volt to 240-Volt AC at four useful levels aligned with commonly used residential voltages
  • Tests DC voltages from 1.5-Volt to greater than 17-Volt to 24-Volt 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 9.9 ft. (3 m) drop
  • Indicates polarity when measuring DC voltages
  • Powers off automatically after approximately 2-minutes of non-use to conserve battery life
  • CAT III 250-Volt, 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
  • Pocket clip secures tester to pocket for reliable everyday carrying





Product Depth (in.) 5.24 in
Product Height (in.) 1.11 in
Product Width (in.) 1.52 in
Battery Power Type Alkaline
Battery Size AAA
Control Type Digital
Display Type Indicator Lights
Electrical Tools Features Battery Powered,DC Polarity Indicator,Handheld,Integral Lead Storage,Low Battery Indicator,Visual Alert
Measures/Detects Polarity,Voltage
Number of Batteries Required 2
Product Weight (lb.) 0.268 lb
Returnable 90-Day
Test Meter Type Voltage Tester
Tools Product Type Voltage Detector
Manufacturer Warranty Please refer to the attached warranty document in the Product Overview section above under Info & Guides.

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