---
product_id: 127765877
title: "ET45 Digital AC/DC Voltage Tester, 12-240V AC, 32-330V DC, LED Illumination, DC Polarity, Auto Off, CATIII 350V-Class 2-Double Insulation, IP44 Dust & Water Resistant, No Batteries Needed"
brand: "klein tools"
price: "$U1278"
currency: UYU
in_stock: true
url: https://www.desertcart.uy/products/127765877-et45-digital-ac-dc-voltage-tester-12-240v-ac-32
store_origin: UY
region: Uruguay
---

# 24V-240V AC & 32V-330V DC range Bright LED voltage indicators Battery-free, voltage-powered ET45 Digital AC/DC Voltage Tester, 12-240V AC, 32-330V DC, LED Illumination, DC Polarity, Auto Off, CATIII 350V-Class 2-Double Insulation, IP44 Dust & Water Resistant, No Batteries Needed

**Brand:** klein tools
**Price:** $U1278
**Availability:** ✅ In Stock

## Summary

> ⚡ Power Up Your Precision — Test Smarter, Work Faster!

## Quick Answers

- **What is this?** ET45 Digital AC/DC Voltage Tester, 12-240V AC, 32-330V DC, LED Illumination, DC Polarity, Auto Off, CATIII 350V-Class 2-Double Insulation, IP44 Dust & Water Resistant, No Batteries Needed by klein tools
- **How much does it cost?** $U1278 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.uy](https://www.desertcart.uy/products/127765877-et45-digital-ac-dc-voltage-tester-12-240v-ac-32)

## Best For

- klein tools enthusiasts

## Why This Product

- Trusted klein tools brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Zero Battery Hassle:** Powered by the voltage itself—no batteries, no downtime, just pure reliability.
- • **Rugged Jobsite Ready:** IP44 splash protection and 9.8 ft drop resistance built for professional durability.
- • **Built-In Lead Holders:** Securely hold test leads for tamper-resistant US outlets—efficiency meets convenience.
- • **Instant Visual Feedback:** Bright LEDs ensure you never miss a voltage reading on the job.
- • **Comprehensive Voltage Range:** Test AC/DC voltages from 24V up to 330V with precision.

## Overview

The Klein Tools ET45 Voltage Tester delivers professional-grade AC/DC voltage testing from 24V to 330V with bright LED indicators and built-in test lead holders. Battery-free operation ensures uninterrupted use, while IP44 ingress protection and drop resistance make it a durable companion for any jobsite. Compact and lightweight, it’s engineered for accuracy and convenience in residential and commercial electrical troubleshooting.

## Description

Klein Tools ET45 Digital AC/DC Voltage Tester, 12-240V AC, 32-330V DC, LED Illumination, DC Polarity, Auto Off, CATIII 350V-Class 2-Double Insulation, IP44 Dust & Water Resistant, No Batteries Needed

## Features

- EXTENSIVE VOLTAGE TESTING: Test AC voltages from 24V to 240V and DC voltages from 32V to 330V across four levels, providing comprehensive electrical testing capabilities
- CLEAR VOLTAGE INDICATION: Bright LEDs illuminate, providing clear indication of voltage type and level, ensuring accurate measurements every time
- BUILT-IN TEST LEAD HOLDERS: Conveniently built-in test lead holders on the back of the meter spaced for testing tamper-resistant US-style outlets and easy storage
- BATTERY-FREE OPERATION: Powered directly by the applied voltage, eliminating the need for batteries and ensuring continuous testing without interruption
- ENHANCED DURABILITY: IP44 ingress protection and 9.8 ft. (3 m) drop protection to meet jobsite demands

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | KLEIN TOOLS |
| Power Source | Voltage-powered |
| Style | 24/240 V |
| Color | Orange |
| Item Weight | 1.8 Ounces |
| Item dimensions L x W x H | 4.45 x 1.19 x 1.05 inches |
| Min. Operating Voltage | 24 Volts (AC) |
| Specification Met | CE |
| Measurement Type | Voltmeter |
| UPC | 092644691843 |
| Manufacturer | Klein Tools |
| Global Trade Identification Number | 00092644691843 |
| Part Number | ET45 |
| Item Weight | 1.8 ounces |
| Product Dimensions | 4.45 x 1.19 x 1.05 inches |
| Item model number | ET40 |
| Is Discontinued By Manufacturer | No |
| Size | One Size |
| Finish | Brushed |
| Material | Plastic Housing, PCB with Electronic Components |
| Pattern | Solid |
| Shape | Rectangular |
| Item Package Quantity | 1 |
| Display Style | Analog LED |
| Special Features | Built-in Test Lead Holders on Back of Tester Spaced Correctly to Hold Leads for Testing Tamper-Resistant US-style Outlets |
| Included Components | Tester |
| Batteries Included? | No |
| Batteries Required? | No |
| Warranty Description | 1 year manufacturer |

## Product Details

- **Brand:** KLEIN TOOLS
- **Power Source:** Voltage-powered
- **Style:** 24/240 V
- **Color:** Orange
- **Item Weight:** 1.8 Ounces

## Images

![ET45 Digital AC/DC Voltage Tester, 12-240V AC, 32-330V DC, LED Illumination, DC Polarity, Auto Off, CATIII 350V-Class 2-Double Insulation, IP44 Dust & Water Resistant, No Batteries Needed - Image 1](https://m.media-amazon.com/images/I/41scTu1+HhL.jpg)

## Available Options

This product comes in different **Style** options.

## Frequently Bought Together

- Klein Tools ET45 Voltage Tester, AC / DC, and Low Voltage Electric Tester, No Batteries Needed
- NSi Industries TES-2 Voltage Tester, 120 or 240 VAC, Neon
- WGGE WG-015 Professional 8-inch Wire Stripper/wire crimping tool, Wire Cutter, Wire Crimper, Cable Stripper, Wiring Tools and Multi-Function Hand Tool.

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**Shop now:** [https://www.desertcart.uy/products/127765877-et45-digital-ac-dc-voltage-tester-12-240v-ac-32](https://www.desertcart.uy/products/127765877-et45-digital-ac-dc-voltage-tester-12-240v-ac-32)

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*Product available on Desertcart Uruguay*
*Store origin: UY*
*Last updated: 2026-01-22*