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Klein

Klein Tools AC/DC Voltage Tester 1.5V to 240V LED Display ET40

★★★★★
69 reviews · 332+ sold
$39.41 $59.11 -33% OFF
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Last purchased 18 minutes ago by someone in Brisbane
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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.

Standard Shipping Australia-wide
Ships in 1-2 business days from our Australian warehouses
30-Day Returns
Change your mind? Return within 30 days for a full refund. Item must be unused and in original packaging.

Customer Reviews

4.3 ★★★★☆ 118 reviews
5★
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✓ Fast Delivery ✓ Great Quality ✓ As Described Verified Purchases
B
Ben A. 📍 Fremantle WA
★★★★★
2 months ago
✓ Verified Purchase

Quick delivery to regional QLD

The Klein Tools arrived fast and works perfectly out of the box.

G
Grace W. 📍 Parramatta NSW
★★★★★
2 months ago
✓ Verified Purchase

Perfect gift — loved it

Bought this as a replacement for one I have had for years and I am glad I upgraded. The new one is noticeably better. Had a tracking number within a few hours of ordering. Packaging was excellent, nothing damaged. Already told a few mates about this site. Great prices and genuinely fast shipping.

O
Oliver H. 📍 Rockhampton QLD
★★★★★
2 months ago
✓ Verified Purchase

Arrived well packed

The Klein Tools is a solid buy. I was a bit unsure about the size from the photos but it is perfect in person. Delivery was faster than expected. Very satisfied with this purchase.

N
Natalie F. 📍 Launceston TAS
★★★★★
3 months ago
✓ Verified Purchase

Better than expected

No issues at all. Fast delivery and exactly as described.

C
Chris N. 📍 Mackay QLD
★★★★★
3 months ago
✓ Verified Purchase

Great value for money

Spent a while looking for the right Klein Tools and this kept coming up as the best value. I can see why — quality is impressive for the price. Delivery took just 2 days to Townsville which is great. Packaging was solid and everything intact. My partner and I both use it daily now. Highly recommended.

R
Rebecca J. 📍 Albury NSW
★★★★★
3 months ago
✓ Verified Purchase

One of my best online buys

Quality product at a fair price. Delivered quickly. Happy.

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