John Drummond LED Voltage Tester 500V AC/DC Mains Powered CAT IV CAT III MTL20

John Drummond MTL20 LED Voltage Tester 500V AC/DC is a mains powered device offering reliable electrical voltage testing for industrial, laboratory, construction, HVAC, and maintenance applications.

This tester features bright LEDs that indicate voltage levels in four distinct bands above 50, 100, 200, and 400 volts AC/DC, visible from all angles including bright sunlight. It identifies potentially lethal voltages starting at 50V and can clearly differentiate between common voltages such as 110V, 230V, and phase-to-phase voltages in three-phase electrical systems, thus enhancing on-site safety.

An additional two-button test function enables the device to draw a high current to distinguish hazardous persistent voltages from phantom voltages that may appear on disconnected circuits, ensuring accurate and safe testing results.

The device is designed with user safety in mind, featuring finger shields and insulated probe tips exposing only 4mm of metal, preventing accidental contact. The double insulated cable incorporates white inner insulation that warns of abrasion and is resistant to heat and oil, suitable for demanding industrial environments.

Constructed to comply with UK Health and Safety Executive guidance on electrician's test lamps (GS38), it meets BS EN 61243-3 and BS EN 61010 standards and carries CAT IV 600V and CAT III 1000V safety categories for high-level protection when working with mains electricity.

The unit is rated IP67 for dust and waterproofing, making it ideal for use in harsh or wet environments. Its dimensions are 213mm (L) x 112mm (W) x 72mm (H), with a lightweight design of 350g, providing comfortable portability without sacrificing robustness.

The MTL20 is supplied with a right angled probe tip, two straight probe tips, and instructions, enabling versatile testing configurations.

This LED voltage tester is essential for electricians, maintenance engineers, and safety inspectors requiring precise, safe, and durable voltage measurement tools that demand no batteries and offer easy mains powered testing.

Bright LED voltage indication across 50V to 500V AC/DC ranges. 360-degree visibility of voltage level bands. High current test function for distinguishing phantom voltages. Insulated probe tips with finger shields for operator safety.

Durable, double insulated cable resistant to abrasion, heat, and oil. Compliance with BS EN 61243-3 and BS EN 61010 standards. IP67 rated for protection against dust and water ingress. Compact and lightweight design for ease of use.

Supplied with multiple probe tips and user instructions. Explore our comprehensive range of precision Voltage Testers and other electrical test and measurement instruments at EnvMart for reliable performance and safety assurance.