• New ‘Difference Meter’ for quick data comparisons
  • Use long leads at 1 A without compromising test speed
  • Safely test the resistance of inductive loads at 1 A
  • Up to 600 V active protection against inadvertent live connections without blowing a fuse
  • For outdoor use with protection against dust & moisture to IP54
  • Industry standard safety rated at CATIII 600 V/CATIV 300

What's in the Box

  • DLRO2
  • Kelvin clip lead set 2m CAT IV 300 V 10 A
  • Kelvin probe lead set 2m CAT IV 300 V 10 A
  • 100-240 V, 50/60 Hz Charger power supply
  • Six Batteries: 1.2 V NiMH AA 2000mAHR
  • Hanging hook and strap
  • Soft pouch
  • USB memory stick (with user guide)


The DLRO2 is a tough, hand-held 2 Amp low resistance ohmmeter. It's designed to provide fast, accurate, repeatable measurements, even in electrically noisy locations. The DLRO2 is the latest in a long line of instruments to proudly display the Ducter™ brand, the Ducter™ testers being as well-known and relied upon as Megger insulation resistance testers. For the utility or industrial user, a high level of safety is provided with a CATIII 600 V/CATIV 300 V rating to IEC61010. In addition, the instrument can protect itself from inadvertent connections to up to 600 V without blowing a fuse, thereby avoiding essential time lost due to repairs or finding a replacement fuse. When working outside, the IP54 rating ensures that neither rain nor dust will prevent testing. The DLRO2 measures low resistance values across a wide range of applications, from railways and aircraft to the resistance of industry components

The DLRO2 is also equipped with a new innovative feature called a ‘difference' meter. This allows repetitive measurements to be easily compared with an initial reference measurement. The difference meter translates percentage difference to a needle/pointer movement to make it visually easy to see change. New reference measurements can be set at the push of a button.