Megger LTW425 – Two-Wire Loop Impedance Testers

• True 2-wire testing — no third lead needed
• Non-tripping (15 mA) and high-current (4 A) modes
• 001 Ω high-resolution loop test for precise Ze measurements
• PFC calculation up to 40 kA
• AUTO start and noise detection for reliable results every time
• Max Zs and (R1+R2) display
• Backlit display, IP54 weatherproof case, rechargeable battery option

The LTW425 is built for everyday use on radial circuits, distribution boards, and PME installations where you need clear, high-resolution readings without the hassle of a three-wire setup. Its AUTO start function means you simply connect the leads and the test begins — safer and quicker in tight spaces. Sophisticated noise detection automatically extends the test if interference appears, ensuring accuracy even near large plant or services. Whether you’re commissioning new work, carrying out periodic inspection, or troubleshooting, the LTW425 gives you confident results with minimal fuss. Rugged, reliable, and genuinely easy to use — exactly what you need on site.