Klein Tools AC/DC Voltage Tester 1.5V to 240V LED Display ET40
Description & Specs
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.
- AC volts range: 240V
- DC volts range: 24V
- Display type: LED
- Visual alert: Yes
- Audible alert: No
- Battery type: AAA (included)
- Test leads included: Yes
- Test meter type: Voltage tester
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.
More about this product
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.
Features
- Tests AC voltages from 12V to 240V AC
- Tests DC voltages from 1.5V to 24V
- Bright LED indicators for voltage type and level
- Automatic power-off feature after 2 minutes of non-use
- Indicates polarity for DC voltage measurements
Specifications
| 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.
Shipping & Returns
Dispatches from our Australian warehouses
Change of mind? Eligible products can be returned within 14 days of delivery if unopened, unused and in original packaging. Return postage and restocking fees may apply. This does not affect your Australian Consumer Law rights for faulty products.








