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DMO 200 200A DC Micro-Ohmmeter


DMO 200 200 Amp DC
The DSM 200 is supplied with a high quality 3-meter lead set
The DSM 200 is supplied with a high quality 3-meter lead set
Optional output lead sets in 5, 8 or 10-meter lengths
Optional output lead sets in
5, 8 or 10-meter lengths

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T&R Test Equipment - Logo DSM600 Digital High Current
Micro-ohmmeter - Overview

T&R Test Equipment is a market leader in the field of high current micro-ohmmeters, manufacturing durable, accurate and user friendly units. The DSM 600 is a high current micro-ohmmeter suitable for measuring very low resistances in a wide range of applications. The unit is equally suited to commissioning, maintenance, and production line environments. Contact resistances in circuit breakers, switch panels, isolators, and busbar joints are all easily and safely measured.

DSM600 Digital High Current



  • 0 to 600 Amp DC test current.
  • 0.1Ω resolution.
  • mV. A, and Ω displayed simultaneously.
  • Direct Ohms reading at any current.
  • Large back-lit liquid crystal display (LCD).
  • Thermal and over-current protection.
  • Compact and portable.
  • Isolated RS-232 interface for printer or PC.
  • 90 Volts to 264 Volts 50/60Hz supply voltage.
  • High quality 3-meter output lead set - supplied as standard.

The DSM 600 is simple to operate, only requiring the user to switch the output 'ON' and set the test current. Selection of all ranges is fully automatic, and current, voltage and resistance are displayed simultaneously at all times. The resistance is calculated from the test current and sense voltage, and there is no need to set an exact test current to guarantee an accurate test result. To assist the user, all readings are held on the display when the output is switched 'OFF'.

DSM log Software

Connecting the DSM 600 to a PC running the optional DSMlog software adds data capture and reporting functions to the unit, allowing test results to be exported directly to Excel or saved to a file.

All results are time stamped, and comments may be added to each test. Data capture can be controlled from the PC, and the resistance of a test object can be monitored over a period of time.

Alternatively, connecting a printer allows all of the test parameters to be printed automatically whenever the reading is held.


Ordering Information

T&R Test Equipment DSM 600

Digital High Current Micro-Ohmmeter, Supplied with: Mains lead, User manual, 3-meter High current output lead set, and Spare fuses.


Lead Set: A 3-meter output lead set is supplied with the DSM 200 which includes two (2) 70mm2 high current leads terminated in copper battery clips, also includes a sense lead terminated in copper crocodile clips.


Optional Accessories

T&R Test Equipment Printer

DSM600 Printer

T&R Test Equipment DSMlog

DSM600 Software

T&R Test Equipment Shunt

100 micro-ohm Shunt

T&R Test Equipment A224-xxxx

5-meter output lead sets

T&R Test Equipment A224-xxxx

8-meter output lead sets

T&R Test Equipment A224-xxxx

10-meter output lead sets


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Macey's Electrical Pty. Ltd.
ABN 17 344 601 468
Unit 1, 49 Gavenlock Road, Tuggerah, NSW Australia 2259
Phone: +61 2 4353 4644    Mobile: 0412 678 925