Megger LT300 High Current Loop Testers

• Wide Voltage Range: Operates from 50 V to 550 V (400 V at 16 Hz), with a warning for over 330 V to prevent phase-to-phase errors.
• High-Resolution Testing: Offers two ranges—20 Ω (0.01 Ω resolution) and 200 Ω (0.1 Ω resolution)—for accurate loop impedance measurements.
• Flexible Frequency Detection: Auto-adjusts to 16 Hz, 50 Hz, 60 Hz, or 400 Hz, ensuring compatibility with various supply systems.
• Durable Construction: Housed in a rubber-armoured, IP54-rated case with a protective cover, ideal for tough environments.
• Multiple Lead Options: Available with red/green leads (LT300-EN-00), BS1363 mains plug (LT300-EN-BS), or fused leads (LT300-EN-FS) for versatile testing.
• Clear Display: Large, easy-to-read screen enhances visibility, even in low-light or adverse conditions.
• Long Battery Life: Powered by eight AA batteries (alkaline or NiMH), supporting extended use in the field.

The Megger LT300 High Current Loop Tester is a powerhouse for electricians needing a dependable, straightforward tool to verify loop impedance in diverse settings. Its ability to handle a wide 50 V–550 V range and auto-detect frequencies from 16 Hz to 400 Hz makes it a versatile fit for everything from industrial systems to residential checks.

Encased in a tough, weatherproof shell, it’s built to withstand the rigors of daily use, while the high-resolution results – down to 0.01 Ω – ensure pinpoint accuracy you can trust.

With a choice of lead sets and a bright, legible display, it’s as practical as it is precise, and the long-lasting AA battery power keeps you going without interruption. Backed by Megger’s quality and a 3-year warranty, the LT300 is a smart, reliable choice for pros who value performance and durability in their testing gear.