Micro Ohmmeter RMO100A

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Overview


rmoa rmoa2

  • Lightweight – only 7 kg / 15.4 lbs.
  • Powerful 5 A – 100 A DC
  • Measuring range 0,1 μΩ – 999,9 mΩ
  • Resolution: to 0,1 μΩ
  • Typical accuracy 0,1 %
  • Rmax function
  • Protection rating IP43

RMO100A is a Micro Ohmmeter based on a state of the art technology, using the most advanced switch mode technique available today. RMO100A generates a true DC ripple-free current with automatically regulated test ramps. During a test the RMO100A ramps with increasing current before measuring and decreasing current after the measurement. This eliminates magnetic transients. After the test current has been set, pressing the Ω-button starts the automatic test procedure.

The RMO100A 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 RMO100A and a PC is through an USB (as standard) or an RS232 cable (as an option). Using the DV-Win the result can be arranged as an Excel spreadsheet that can be later shown as a diagram and printed for a report.

The set is equipped with a thermal and an overcurrent protection. The RMO100A has a very high ability to cancel electrostatic and electromagnetic interference in HV electric fields. It is achieved by very efficient filtration. The filtration is made utilizing a proprietary hardware and software.

Accessories

Included accessories

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

  • Current cables 2 x 5 m 16 mm2 with battery clips
  • Sense cables 2 x 5 m with alligator clips
  • Cable bag
  • Device bag
Optional accessories

  • Built-in thermal printer
  • Thermal paper roll
  • Test shunt 600 A / 60 mV
  • Current cables 2 x 10 m 16 mm2
  • Current cables 2 x 15 m 25 mm2
  • Extension cable 2 x 10 m 25 mm2
  • Sense cables 2 x 10 m with alligator clips
  • Sense cables 2 x 15 m with alligator clips
  • Cable plastic case
  • Transport case

 

Technical data

Mains Power Supply

  • Connection: according to IEC/EN60320-1; C320
  • Mains supply: 90 V – 264 V AC
  • Frequency: 50/60 Hz
  • Input power: 1160 VA
  • Fuse: 12 A / 250 V, type F
Output data

  • Test current: 5 A – 100 A DC
  • Max load interval (at 100 A): 300 s (5 min)
  • Full Load Voltage: 7,25 V DC at 100 A
    *At 230 V of supply voltage
Measurement

  • Resistance range: 0,1 µΩ – 999,9 mΩ
  • Resolution
    • 0,1 µΩ – 999,9 µΩ           0,1 µΩ

      1,000 mΩ – 9,999 mΩ     1 µΩ

      10,00 mΩ – 99,99 mΩ     10 µΩ

      100,0 mΩ – 999,9 mΩ      0,1 mΩ

  • Typical accuracy: ± (0,1 % rdg + 0,1 % FS)
Display

  • Display: LCD screen 20 characters by 4 lines; LCD display with backlight, visible in bright sunlight
Interface

  • Interface: RMO100A is equipped with an USB port (optional: RS232) to connect to an external computer
Test Result Storage

  • Test Result Storage: RMO100A can store up to 500 measurements
Environment conditions

  • Operating temperature:       –10°C – +55°C / 14°F – 131°F
  • Storage and transportation: –40°C – +70°C / -40°F – 158°F
  • Humidity: 5 % – 95 % relative humidity, non condensing
  • Installation/overvoltage category: II
  • Pollution degree: 2
Dimensions and Weight

  • Dimensions: 198 mm x 255 mm x 380 mm
                             7.8 in  x   10 in    x   15 in
  • Weight: 7 kg / 15.4 lbs
Warranty

  • Warranty: three years
Safety Standards

  • European standards: EN 61010-1 LVD 2006/95/EC
  • International standards: IEC 61010-1, UL 61010-1, CAN/CSA-C22.2 No. 61010-1, 2nd edition, including Amendment 1
Electromagnetic Compatibility (EMC)

  • CE conformity:EMC standard 89/336/EEC, EMC directive 2004/108/EC
  • Emission: EN 61326-1
  • Immunity: EN 61326-1

DV Win

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 filters.

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: 300
Published: 2015-06-17

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