Micro Ohmmeters – RMO-G series

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Overview

RMO-G series contain 7 models of powerful and lightweight micro ohmmeters:

       RMO100G – test current from 5 to 100 A, weighs only 8 kg / 17.6 lbs
       RMO200G – test current from 5 to 200 A, weighs only 8 kg / 17.6 lbs
       RMO300G – test current from 5 to 300 A, weighs only 8 kg / 17.6 lbs
       RMO400G – test current from 5 to 400 A, weighs only 9 kg / 20 lbs
       RMO500G – test current from 5 to 500 A, weighs only 9 kg / 20 lbs
       RMO600G – test current from 5 to 600 A, weighs only 11 kg / 24.3 lbs
       RMO800G – test current from 5 to 800 A, weighs only 11,5 kg / 25.4 lb
  • Measuring range: 0,1 μΩ – *999,9 mΩ (*499,9 mΩ for RMO800G)
  • Resolution: 0,1 μΩ
  • Typical accuracy: ± (0,1 % rdg + 0,1 % FS)
  • Remote Control Unit (optional)
  • Both Sides Grounded Unit (optional)
  • SINGLE / CONTIN / BSG / DTRtest modes

RMO-G series of Micro Ohmmeters (hereafter referred to as “RMO-G”) is based on a state of the art technology, using the most advanced switch mode technique available today.RMO-G generates a true DC ripple-free current with automatically regulated test ramps. During a test the RMO-G ramps with increasing current before measuring and decreasing current after the measurement. This eliminates magnetic transients.

The RMO-G instrument can store internally up to 500 measurements. All measurements are time and date stamped. Using the DV-Win software a test can be performed from a user’s PC, and the results can be obtained directly on the PC. Communication between the RMO-G and a PC is through an USB (as standard) or an RS232 cable (as an option). Bluetooth communication interface is also available as an option.Using the DV-Win the result can be arranged as an Excel spread-sheet which can be later shown as a diagram and printed for a report.

The set is equipped with a thermal and an overcurrent protection. The RMO-G has a very high ability to cancel electrostatic and electro-magnetic interference in HV electric fields. It is achieved by very efficient filtration. The filtration is made utilizing a proprietary hardware and software.

The RMO-G instrument has four separate test modes:

  • SINGLE mode
  • CONTIN mode
  • BSG mode (Both Sides Grounded)
  • DTRtest mode (Dead Tank Resistance)

Accessories

Included accessories

  • DV-Win PC software
  • USB cable
  • Mains power cable
  • Ground (PE) cable
Recommended accessories

  • Current cables 2 x 5 m (16.4 ft.),       XX* mm2 with battery clips
  • Sense cables 2 x 5 m with alligator clips
  • Transport case
  • Cable bag
Optional accessories

  • Built-in thermal printer
  • Thermal paper roll
  • Test shunt 600 A / 60 mV
  • Current cables 2 x 10 m XX* mm2
  • Current cables 2 x 15 m XX* mm2
  • Extension cable 2 x 10 m XX* mm2
  • Sense cables 2 x 10 m with alligator clips
  • Sense cables 2 x 15 m with alligator clips
  • Cable plastic case
  • Remote control unit
  • Current clamp 30/300 A power supplied from the instrument with extension 5 m (Both Sides Grounded Unit)

 

XX* recommended cross-section

Model / Cable length 5 m / 16.4 ft. 10 m / 32.8 ft. 15 m / 49.2 ft.
RMO100G 16 mm2 (6 AWG) 16 mm2 (6 AWG) 25 mm2 (4 AWG)
RMO200G 25 mm2 (4 AWG) 25 mm2 (4 AWG) 35 mm2 (2 AWG)
RMO300G 35 mm2 (2 AWG) 35 mm2 (2 AWG) 50 mm2 (1/0 AWG)
RMO400G 35 mm2 (2 AWG) 35 mm2 (2 AWG) 50 mm2 (1/0 AWG)
RMO500G 50 mm2 (1/0 AWG) 50 mm2 (1/0 AWG) 70 mm2 (2/0 AWG)
RMO600G 50 mm2 (1/0 AWG) 50 mm2 (1/0 AWG) 70 mm2 (2/0 AWG)
RMO800G 95 mm2 (3/0 AWG) 95 mm2 (3/0 AWG)

DV-Win Software


dv-win


  • Full control of the device in test
  • Test raports available in several formats
  • Several filters for results download to a PC
  • Test plans
  • Samling time feature for CONTIN mode
  • Detailed Help menu

*included in the purchase price



RMO DV-Win Software provides several advanced features as a supplement to multiple functions of RMO devices. Testing in Continuous mode is upgraded with a sample time feature which allows user to record test results in specific time intervals set in seconds. After performed measurements results can be saved in a various formats and test report can be generated and saved or printed. Result can also be downloaded from the device to the PC by use of several different search filter.

For the RMO form of DV-Win software there is Help menu available, with detailed instructions and explanations of all functions and features.

Download


Download brochure


Version: 305
Published: 2017-03-30

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