Description

Megger DLRO2 Low Resistance Ohmmeter

The Megger DLRO2 Low Resistance Ohmmeter is a compact, high-precision instrument designed for measuring low resistance in electrical systems, including cables, busbars, switchgear, and other conductors. Supplied with a robust carrying box, this unit is ideal for field engineers and maintenance professionals who require accuracy, portability, and durability.

With its advanced measurement technology, the DLRO2 provides reliable readings from 0.1 µΩ to 20 kΩ, making it suitable for applications such as contact resistance testing, joint verification, and quality control in manufacturing or maintenance operations. The instrument offers selectable test currents and automatic measurement ranges, ensuring precise results across a wide range of low-resistance values.

The DLRO2 features a clear digital display, simple one-button operation, and memory for storing test results, enabling quick and efficient testing in any environment. Its sturdy, impact-resistant box protects the instrument during transport and field use, ensuring longevity even in demanding conditions.

Engineered for safety, speed, and accuracy, the Megger DLRO2 with Box is an essential tool for electrical contractors, service engineers, and industrial maintenance teams who need dependable low-resistance measurement in the field or the workshop.

Specifications

Measurement Capabilities

• Resistance Range: approximately 1 µΩ – 2000 Ω – ideal for testing contacts, cable joints, busbars, and industrial components.

• Test Current: up to 2 A with multiple test current levels (2 A, 1 A, 100 mA, 10 mA, 1 mA).

• Measurement Accuracy: ±1 % ±2 digits in bi-directional mode.

• Test Modes: standard measurement, long test lead mode, and inductive load measurement mode.

Safety & Durability Features

• Live Voltage Protection: can handle up to <600 V without blowing fuses if accidentally connected to live circuits, protecting the instrument and speeding field work.

• Safety Rating: CAT III 600 V / CAT IV 300 V per IEC 61010 — safe for industrial electrical systems.

• Environmental Protection: IP54 — dust and splash resistant, suitable for outdoor or harsh industrial environments.

Functionality & Ease of Use

• Difference Meter: allows quick comparison of repeated measurements against an initial reference value.

• Long Test Lead Function: supports long test leads up to 1 A without slowing measurement speed.

• Display: digital display (often backlit) for clear readings in various lighting conditions.

Physical & Portability Features

• Design: hand-held, rugged, portable — ideal for field testing, industrial maintenance, and production quality control.

• Protective Box: supplied with a robust carrying box for safe storage and transport in the field.

• Power Options: rechargeable NiMH or AA batteries, providing flexibility when mains power is not available.