The DLRO100H and HB are the top-of-the-line models of the DLRO100 series of digital low resistance ohmmeters. Both the H and HB model runs on line power, while HB model includes an integrated Li-ion battery that is able to supply a constant 100 A current for up to 200 automatic or manual tests, enhancing productivity in remote locations.
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Overview
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.
