Cropico DO4000 Series

Portable, general purpose, digital micro ohmmeter combining all of the features that you need in a wide range of applications

  • Truly portable precision micro ohmmeter
  • 4 wire measurement eliminating lead resistance errors
  • Measuring ranges from 1 micro ohm to 4 kilohms
  • Available with test current from 100 micro amps to 1 amp
Cropico DO4000 Series

Cropico DO4000 Series

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The Cropico D04000 series digital micro ohmmeters 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 Series Comparison
Features Cropico DO4000 Cropico DO4001 Cropico 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 +800°C    
Open circuit lead warning LED
100mA measuring current  
1A measuring current    
Auto power off to maximise battery life

Cropico DO4000 Series

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Technical Specification:

DO4000/DO4001 Technical Specifications
Range Resolution Typical Current Accuracy @ 20°C ±5°C 1 Year Temperature Coefficient/°C
4kΩ  100μA  ±(0.05% Rdg +0.02% FS)  30ppm Rdg + 1ppm FS
400Ω 100mΩ  1mA  ± (0.05% Rdg +0.02% FS) 30ppm Rdg + 1ppm FS 
40Ω 10mΩ 10mA ± (0.05% Rdg +0.02% FS) 30ppm Rdg + 1ppm FS
1mΩ 10mA  ± (0.05% Rdg +0.03% FS) 30ppm Rdg + 4ppm FS 
400mΩ 100μΩ 10mA ± (0.05% Rdg +0.05% FS) 30ppm Rdg + 25ppm FS
40mΩ 10μΩ 100mA  ± (0.05% Rdg +0.1% FS) 30ppm Rdg + 25ppm FS 

 

DO4002/DO4002 Technical Specifications
Range Resolution Typical Current Accuracy @ 20°C ±5°C 1 Year Temperature Coefficient/°C
400Ω 100Ω  1mA  ±(0.05% Rdg +0.02% FS) 30ppm Rdg + 1ppm FS
40Ω 10mΩ  10mA  ± (0.05% Rdg +0.02% FS) 30ppm Rdg + 1ppm FS 
1mΩ 100mA ± (0.05% Rdg +0.02% FS) 30ppm Rdg + 1ppm FS
400mΩ 100μΩ 1A  ± (0.05% Rdg +0.03% FS) 30ppm Rdg + 4ppm FS 
40mΩ 10μΩ 1A  ± (0.05% Rdg +0.05% FS) 30ppm Rdg + 25ppm FS
4mΩ 1μΩ 1A ± (0.05% Rdg +0.1% FS) 30ppm Rdg + 25ppm FS

 

Measurement   Dimensions
4 terminal Kelvin/Thomson principle eliminates errors due to lead resistance   215mm x 130mm x 55mm (W H D) approx 467mm x 374mm x 216mm packed in carton
Display   Mass
15mm LCD 4000 count with automatic decimal point and polarity indication   0.8kg approx
Ranges   Zero
6 automatic or manual selection with LED indication   Button to null measurement offsets
Terminals   Protection
4mm safety sockets   415 Vrms maximum at the measuring terminals will blow internal protection fuse
Working Temperature   Calibration
0°C to +40°C rel. humidity 80% max. non-condensing   Digital security code protected
Storage Temperature   Battery
-20°C to +50°C   Removable pack with 5 1.5V non-rechargeable batteries. Separate rechargeable pack, charger and docking station as optional extras
Safety    
EN 61010-1 EMC-EN 61236