Insulation Tester Megger BR4 500V

A 500V Megger insulation tester is a portable, reliable instrument designed to measure electrical insulation resistance in low-to-medium voltage systems (up to 500V or 1000V)

Key Features & Capability
  • Dual Functionality: Acts as a standard insulation resistance tester and includes bridge and Varley test capabilities for fault locating.
  • Historical Context: Many units available today are “Ex MOD” (former Ministry of Defence) surplus, often found in superb, unissued condition.
  • Voltage Standard: While modern handheld Meggers often offer multiple test voltages (e.g., 250V, 500V, 1000V), the 500V range is the industry standard for testing low-to-medium voltage systems, such as industrial control circuits and motor windings.

Description

The Megger BR4 500V is a classic, high-reliability insulation and continuity tester specifically engineered for telecommunications and low-voltage electrical systems. Renowned for its durability and precision, the Megger BR4 500V is a staple tool for field engineers who require a dependable analog solution for detecting insulation breakdowns, moisture ingress, and conductor faults in communication cables.
Equipped with a stabilized 500V DC test voltage, this instrument provides accurate insulation resistance measurements up to 100 MΩ. Its dual-function design also allows for low-resistance continuity testing, making it versatile for verifying circuit integrity and grounding. The Megger BR4 500V features a clear, easy-to-read analog scale that allows technicians to observe “moving” insulation trends—a critical advantage when diagnosing intermittent faults that digital displays might miss.
Built for the rigors of on-site work, the Megger BR4 500V is housed in a robust, impact-resistant case that protects it from the harsh environments of manholes and outdoor cabinets. Its battery-powered operation and lightweight frame ensure maximum portability for long shifts in the field. For telecom professionals and maintenance teams who value the consistency and tactile feedback of analog testing, the Megger BR4 remains an essential asset for ensuring network uptime.

Brand

Megger

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