Megger DLRO100HB LG2-P3 Digital Low Resistance Ohmeter, 100A, Mains Powered

Product Highlights

The DLRO100 series of digital low resistance micro-ohmmeters are portable, lightweight instruments that can deliver a test current of 100 A. They can be supplied with internal rechargeable Li-ion batteries that provide sufficient power for up to 200 manual/automatic tests on a single charge. This degree of autonomy makes it easy for you to perform high current low resistance testing in almost any location, including areas without access to a mains power supply.

To ensure dependable operation even in the most demanding environments, the DLRO100 instruments use novel circuitry that gives high noise immunity and guarantees stable readings. For physical protection, they feature enclosures with an IP54 ingress protection rating even when the lid is open and testing is in progress.

Operator safety in adverse conditions is assured by a CAT IV 600 V safety rating in line with IEC 61010. With an optional DC clamp, dual ground operation is also supported. DualGround greatly enhances safety when working in substations and similar environments by allowing tests to be carried out with both sides of the equipment under test grounded.

DLRO100 instruments have a wide range of applications, including checking the resistance of busbar and cable joints, measuring wire and cable resistance, and verifying lightning conductor bonding. They are also well suited for testing switchgear and circuit breakers during manufacture and in the field, and they offer a smooth DC output that is particularly valuable for circuit breaker tests.

Instruments in the DLRO100 series have a measuring range of 0.1 µΩ to 1.999 Ω with a resolution of 0.1 µΩ. Results are shown on a large LCD panel and, depending on the model, can also be stored in a large capacity internal memory for later access via the display or downloading via a USB drive. Versions are also available with support for remote operation, Bluetooth connectivity, and asset/result tagging.

• integrated Li-ion battery
• Mains
• DualGround - grounds both sides of the breaker under test
• Rugged Design for Use in Demanding Environments
• Adjustable 10-100A Output, 4 Terminal Measurement
• 0.1μΩ to 2 Ω Measurement Range
• 0.1μΩ Resolution
• Accuracy of ±0.05 μΩ Between 0.1 μΩ and 10 μΩ, ±0.2% Between 10 μΩ and 2 Ω
• CATIV 600V Safety Rating
• Battery and Mains Powered
• Battery Capacity - 360 Single Tests or up to 30 Minutes Continuous 1c00A output
• Memory Storage USB Download Capability
• Adjustable Current Ramp Rates and Test Duration
• Low Ripple D.C.
• IP Rating 67 (Lid Closed) IP54 (Lid Open - Battery Operation Only)
• Large, Clear LCD Display
• Time and Date Stamped Memory for Recording of Results (999 Readings)

Each Unit Includes

• Line Cord
• Quick Start Guide
• Certificate of Test
• Calibration Certificate
• Information CD