Milliohmeter's designed to measure with extreme accuracy in the toughest conditions

The D04000 series of digital milliohmeters offer true portability without any sacrifice to accuracy or functionality. These ruggedly constructed instruments are housed in a stylish plastic case with easy to use keyboard.

The measured values are displayed on a large LCD screen which allows for ease of viewing. Automatic or manual range selection is available and many advanced features are included.

Cropico DO4000
  • Up to 1 Amp measuring Current (DO4002)
  • Fully Portable
  • Full automatic mode
  • High resolution
  • High Accuracy
  • Protected up to 415V
  • Fast measuring speed
  • Temperature compensation
Click to view datasheet
Cropico DO4000 Series Comparison
Features Product
DO4000 DO4001 DO4002
True 4 terminal measurement eliminates lead resistance errors
Measuring range from 4 milli ohm to 4 kilo ohm  
Measuring range from 4 milli ohm to 400 ohm    
10 micro ohm resolution  
1 micro ohm resolution    
True zero capabilities
Digital Calibration
Auto / Manual range selection
Automatic temperature compensation    
Temperature measuring range -50 to +800C    
Open circuit lead warning LED
100mA measuring current  
1A measuring current    
Auto power off to maximise battery life
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Typical Application Areas Include:

Wind Industry

  • The DO4000 units are used for quality control during turbine blade manufacture
  • Supplied with long leads to allow large blade testing. The unit can null these leads for accurate measurement.

Power Distribution

  • Used to test integrity of product during the installation of power cables
  • Maintenance of switchgear and cable joints, ensuring good joins during the maintenance procedure as a poor cable joint is an in-efficient cable joint.


  • Quality control test on robotic weld quality
  • Testing resistance of airbag detonators
  • Battery crimp terminations
  • Quality control of general electrical connections

Military / Aerospace

  • Earth Bonding checks (e.g fuel tanks to vehicle)
  • Earth connections within Aircraft bodies


  • Track joint resistance
  • Power distribution joints
  • Signal information, checking the integrity of signal wire

Offshore Oil and Gas

  • Maintenance of cable joints
  • Pump motor winding maintenance
  • Measuring of umbilical cable for integrity before laying / installation


  • Meets the MEIGAN standard (DO4002 only)
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