
The Klein Tools ET40 is an electronic AC/DC voltage tester for testing a wide range of circuits from low-voltage DC to mains AC. LED display confirms voltage presence without audible alarm.
Suitable for electricians, maintenance personnel and tradespeople testing household circuits, batteries and low-voltage wiring. Compact pen-style design fits in a tool bag or pocket.
Klein Tools Electronic Ac Dc Voltage Tester et40 is a versatile voltage tester designed for measuring AC and DC voltages in residential applications.
The Klein Tools ET40 is an Electronic AC/DC Voltage Tester that accurately tests AC voltages ranging from 12V to 240V and DC voltages from 1.5V to 24V. It features bright LED indicators that display the type and level of voltage detected, making it suitable for checking and troubleshooting electrical wiring in outlets, light fixtures, and doorbells. The device automatically powers off after approximately two minutes of inactivity to conserve battery life and indicates polarity when measuring DC voltages. It operates on 2 x AAA batteries, ensuring ease of use and portability.
| Dimensions (W x H x D) | 40mm x 30mm x 130mm |
| Weight | 0.66kg |
| Colour | Other |
| Model Number | ET40 |
| Battery Type | AAA |
| AC Volts Range | 240V |
| DC Volts Range | 24V |
Klein Tools Electronic Ac Dc Voltage Tester et40 is designed for reliable voltage testing in various electrical applications.
