Cropico DO7e

Rugged digital micro ohmmeter for low resistance measurement

  • True 4 wire measurement eliminates lead resistance
  • 6 push button ranges 6 milli ohm to 600 ohm
  • Resolution 1 micro ohm on 6 milli ohm range
  • Auto ranging
Cropico DO7e

Cropico DO7e

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The DO7e is a very rugged yet compact and portable digital micro ohmmeter for the measurement of low resistance.

Using a rechargeable sealed lead acid battery with built-in charger, the DO7e is capable of measuring with a current of 10 Amps on the lowest range.

The DO7e has been designed with the latest solid state and microprocessor techniques to ensure the very best in measurement, reliability and features.

Automatic range selection, forward and reverse current measurements with auto average and a remote start socket are all included as well as an energy saving power down mode.

Cropico DO7e

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to Request a Quote

Technical specification
 

Measurement 4 Terminal Kelvin/Thomson principle eliminates error due to lead resistance. Open circuit measurement voltage~5V dc
Display 0.8" LED 6000 count with automatic decimal point and polarity indication
Ranges 6 push button or auto selected with LED indication
Calibration Digital, security code protected
Protection 415 rms maximum at input terminals
Battery Sealed lead acid, rechargeable cell gives a minimum of 1 hour of continuous measurement on the lowest 10 amp ranges and 20 hours on all other ranges. Internal charger with battery state indicator
Terminals 6mm binding posts accept spade tags and 4mm banana plugs
Working Temp 0...40°C rel. humidity 80% max. non-condensing
Storage Temp  -20...+50°C
Mains Supply 10/230 Volts +10% -10% 47Þ63Hz 20VA
Safety EN 61010-1
EMC Complies with EN61326
Dimensions 343 x 327 x 152mm (W D H) approx
Mass 6kg approx
Accessories Supplied complete with mains cord, measuring leads with Kelvin Clips, handbook, and calibration certificate

 

Resistance ranges

Range  Resolution Typical Current Accuracy @ 20°C ±5°C, 1 year Temperature Coefficient / °C
600Ohm 100mOhm 1mA ±(0.25% Rdg +0.05% FS) 40 ppm Rdg + 30 ppm FS
60Ohm 10mOhm 10mA ±(0.25% Rdg +0.05% FS) 40 ppm Rdg + 30 ppm FS