Klein Tools - For Professionals Since 1857

Electronic AC/DC Voltage Tester 12 to 240V AC, 1.5 to 24V DC

ET40

  • 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 9.9' (3 m) drop
  • Indicates polarity when measuring DC voltages
  • Powers off automatically after approximately 2 minutes of non-use to conserve the 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 and easily accessible battery compartment
  • Pocket clip secures tester to pocket for reliable everyday carrying
  • Uses 2 x AAA batteries (included)
  • Identifies and distinguishes between AC or DC voltage
Images
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Klein Tools ET40 is an Electronic AC/DC Voltage Tester. It features indicators for positive and negative DC polarity, and it tests DC voltages as low as 1.5V. It tests AC voltages of 12-240VAC. Excellent for checking, verifying or troubleshooting common residential electrical wiring in electrical outlets, light fixtures, doorbells and more. It operates with 2 x AAA batteries.

Specifications
Application:
Measures AC/DC voltage
Special Features:
DC Polarity Indicators for DC Positive, DC Negative and both illuminated for AC. Tests Low DC Voltage to 1.5V. Built in Test Lead Holders on sides of the Tester.
Material:
Plastic Housing, PCB with Electronic Components
Batteries:
2 x AAA
Drop Protection:
9.9' (3.0 m)
Display:
Analogue LED
Control Type:
ON/Off Switch for Power ON/OFF
Voltage:
AC Level Indicators: 12V, 24V 120V, 240V and DC Indicators: 1.5V, 9V, 12V, >17-24V
Frequency:
50/60 Hz
Ingress protection:
IP41
Pollution Degree:
2
Tests continuity:
No
Integral lead storage:
Yes
Interchangeable leads:
No
Lead Length:
9'' (228.6 mm)
Standard:
CAT III 250V, CE
Case included:
No
Included:
Tester, User Manual and 2 x AAA Batteries
Overall Length:
5.24'' (133.0 mm)
Overall Height:
1.52'' (39.0 mm)
Overall Width:
1.11'' (28.0 mm)
Weight:
2.3 oz (66g)
UPC:
092644691836
Additional Information
Warnings
  • Read, understand and follow all instructions, cautions and warnings attached to and/or packed with all test and measurement devices before each use.
  • Before each use, verify tester operation by measuring a known voltage.
  • Never use the tester on a circuit with voltages that exceed the category-based rating of this tester
  • Always adhere to local and national safety codes. Use personal protective equipment to prevent shock and arc blast injury where hazardous live conductors are exposed.
  • Use of this tester in any way other than that specified by the manufacturer can impair safe operations, resulting in severe injury or death.