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  1. Milliohm Meters

Megger 247002 DLRO Micro-ohmmeter

0 to 599.9µΩ range, with current-reversing switch to average out voltage offset.

Megger 247002 DLRO Micro-ohmmeter
Megger 247002 DLRO Micro-ohmmeter
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Overview

Features

  • Resolution to 0.1μΩ on 599.9μΩ range
  • Standard accuracy of ±0.25%
  • Kelvin-type, four-wire measurement
    • Eliminates lead & contact resistance errors
  • Digital readout with automatic zero circuit
    • Eliminates field test inaccuracies

Description

The Megger 247002 DLRO micro-ohmmeter are a family of highly accurate instruments that provide a simple, practical and reliable means of making low-resistance tests in the field. They also are ideal for production quality control. They operate on the four-wire measurement principle, thus eliminating lead and contact resistances. With basic accuracy of ±0.25% and resolution down to 0.1 μΩ, they are nonetheless designed to be rugged and portable for use at the job site. A variety of optional test leads and calibration resistance standards are offered for use with DLROs.

This model provides an extra range, 0 to 599.9 μΩ, for applications requiring 0.1 μΩ resolution. It also features a current-reversing switch to average out any voltage offset in the test sample. Captive wing nuts are also standard.

Operation is simple: just connect the leads, turn the instrument on and read the measurement directly from the digital LED display. No warm-up is required.

Applications for the Megger 247002 DLRO:

  • Switch and circuit breaker contacts
  • Transformers and generators
  • Motor windings
  • Busbar and other joints
  • Aircraft, rail and pipe bonds
  • Cable splices, welds and fuses
  • Metal alloys
  • Graphite electrodes and other composites
  • Wire and cable

Documents

Spec Sheets

  • Megger 247002 DLRO Micro-ohmmeter Datasheet PDF (917 KB)

Manuals

  • Megger 247002 DLRO Micro-ohmmeter Manual PDF (405 KB)

Other

  • Megger 247000/247001 DLRO Test Leads PDF (938 KB)
  • Megger Low Resistance Testing Guide PDF (1.9 MB)

Links

  • All possible part numbers

Accessories

Test Leads

Megger 241005 / 242005 Test Lead Set
Megger 241005 / 242005 Test Lead Set

Kelvin clips 0.5in (1.3cm), gold plate or silver plate options, 7ft of cable.

Starting at $320.00
Megger 242002 Test Lead Set
Megger 242002 Test Lead Set

Spacing between P and C probe tips 0.35in, Max test current 10A.

Starting at $1,190.00
Megger Replaceable Needle Points
Megger Replaceable Needle Points

Max test current, 7ft in length.

$1,465.00
Megger 242004 Test Lead Set
Megger 242004 Test Lead Set

Clamp capacity 2in, Max test current 10Aanvil insulated from the clamp.

Starting at $870.00
Megger 242006 Test Lead Set
Megger 242006 Test Lead Set

Kelvin clips 1.5in (4cm), Max test current 10A.

Starting at $555.00
Megger 242009 Test Lead Set
Megger 242009 Test Lead Set

10A, 18ft duplex test leads & helical hand spikes with spring points & push button switch on the probe to initiate reading.

$1,315.00
Megger 242011 Test Lead Set
Megger 242011 Test Lead Set

Helical spring point leads, Spacing between P and C 0.4in, Max test current 10A.

Starting at $1,225.00

Accessories

Please consider these optional accessories.

Megger 242144 Test Lead Set
Megger 242144 Test Lead Set

Lead set with 100A max test current, a potential lead set is required to complete the Kelvin pair .

Starting at $2,590.00
Megger 18313 Carrying Case
Megger 18313 Carrying Case

Carrying case for DLRO Leads.

$280.00

Need Help? Call a Temperature engineer at 1-800-884-4967

We're open 8:00 am to 5:30 pm ET

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Applications Engineer
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Applications Engineer
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Applications Engineer
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Senior Applications Engineer
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Temperature Engineering Lead
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Senior Applications Engineer
20 years at Instrumart
Dwight M. headshot Dwight M.
Senior Applications Engineer
28 years at Instrumart
Luke M. headshot Luke M.
Applications Engineer
5 years at Instrumart
David S. headshot David S.
Applications Engineer
Rhys D. headshot Rhys D.
Applications Engineer
Alex A. headshot Alex A.
Senior Applications Engineer
19 years at Instrumart
Ron J. headshot Ron J.
Temperature Engineering Lead
29 years at Instrumart
Shawn D. headshot Shawn D.
Senior Applications Engineer
20 years at Instrumart
Dwight M. headshot Dwight M.
Senior Applications Engineer
28 years at Instrumart
Luke M. headshot Luke M.
Applications Engineer
5 years at Instrumart

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Megger 247002 DLRO Micro-ohmmeter
Megger 247002 DLRO Micro-ohmmeter
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