The Megger DLRO100HB (1004-959) Micro-Ohmmeter enables low resistance measurement across multiple applications in areas without access to AC power. The integral Li-Ion battery supplies a constant 100A current for up to 200 manual/auto tests to enable enhanced productivity in remote locations.

With a focus on user safety, advanced design features ensure the safe operation of the instrument in the most adverse conditions, including a CAT IV 600V safety rating in accordance with IEC61010. A DualGround feature is available on the DLRO100HB, adding to the operators' safety by grounding both sides of the breaker under test.

The rugged design, intuitive interface and IP54 (lid open) rating ensure reliability and ease of use in the most arduous of conditions.

Test Modes

The manual testmode allows the user to initiate the test procedure once the probes are in contact with the object under test. Once the TEST button is depressed the TEST lamp will illuminate and the instrument will undertake a single test to verify the resistance of the test object.

In auto mode the user selects the desired current, connects the current test leads and as soon as the potential leads are connected a test will start automatically. To repeat a test, simply break contact with the potential probes and remake contact.

In continuous mode, the user connects the test leads and presses the TEST button, initiating the test procedure. The instrument will continue to test, updating the display after each new test cycle, until the TEST button is pressed or the test procedure times out.