Cropico DO7 Plus Digital Microhmmeter

Cropico Instruments

Cropico authorised distributor and service centre.

The Cropico DO7 Plus has built in rechargeable batteries which will provide up to 1 hour of continuous use at 10A, and up to 20 hours at all other ranges.

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£ 2,569.00 rrp £ 2,855.00

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(£ 3,082.80 inc VAT.)

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The DO7 Plus is a 10A micro ohmmeter, suitable for applications within aerospace, utilities, cable or machine manufacturers or where a cooling curve is required to plot peak resistance. Sealed in an IP67 case (when closed or IP53, lid open)Cropico DO7Plus case it is ruggedly constructed to ensure durability.

The DO7Plus microhmmeter has a backlit LCD graphics panel, full QWERTY keyboard, temperature compensation via optional PT100 probe, and built in coefficients for Copper and Aluminium as well as user defined. Full cooling curve facilities are built in, with real time graphical plotting on the LCD.

The Cropico DO7Plus microhmmeter has a display length of 60000 counts and auto averaging of forward and reverse measurement removes thermal emf differences. Connectivity is improved with both USB and RS232 for data downloading. The internal memory holds up to 1000 date and time stamped readings and which can be viewed on the LCD or downloaded with the free software provided, as CSV file to a PC for further analysis.


Full cooling curve facilities built in.
Real time graphical plotting.
Storage of 1,000 tests downloadable via USB or RS232.

Cropico DO7 Plus Specifications:

  • Measurement: 4 terminal Kelvin / Thompson principle.
  • Ranges: 7 resistance ranges.
  • Forward / reverse & auto average of reverse current.
  • Display: 60,000 count + sign LCD graphics panel with backlight select display value of °C or °F.
  • Terminals: 4mm safety sockets.
  • Working temperature: 0 deg C to 40 deg C.
  • Storage Temperature: -20 deg C to +50 deg C.
  • Safety: Conforms to EN 61010-1:2001 50V Cat 3.
  • Full cooling curve facilities built in.
  • Real time graphical plotting.
  • Storage of 1,000 tests downloadable via USB or RS232.
  • Battery: Internal, fixed NiMh battery pack.
  • Mains Supply: External mains psu 90V – 253V, 47Hz to 63Hz with interchangeable plugs.
  • Multilingual: Display available in English, French, German, Spanish or Italian.
  • Dimensions: 358mm X 269mm X 155mm.
  • Weight: <5Kg (instrument only).
  • Cropico DO7 Plus Warranty: 1 year.

Includes: Measurement test leads, CD-ROM which includes: Data logger, USB drivers and Cropico DO7Plus pdf manual, Universal external main charger, Standard USB cable, Printed manual for Cropico DO7 Plus micro ohmmeter, External Pouch for leads.

Weight Less than 5Kg (instrument only)
Calibration Certificate No
Test Current 10A

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Cropico DO7 Plus Digital Microhmmeter