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Cropico digital ohmmeter combines versatility and accuracy

29 November 2010

Improved low resistance measurement across electrical bonding resistance, component quality assurance and power system safety applications among others is now provided by the Cropico DO4A digital ohmmeter from Seaward.

The DO4A uses True 4 Wire measurement to eliminate lead resistance errors across a push button selectable range from 40mW to 4kW with respective resolutions between 10m W and 1W .

Contained in an aluminium case with a tilted carrying handle, the robust unit is a highly practical instrument that can be used in the workshop, by field or maintenance engineers or as part of more comprehensive electrical test facilities. Input protection is provided up to 415volts rms.

For ease of operation the control functions have been kept to a minimum and a four digit LCD gives direct readings of the resistance measured, with over range and low battery indicators also provided.

Other special features include an auto zero facility where thermal emf may cause a large measuring error and warning LEDs to indicate an open circuit lead condition.

Rechargeable batteries provide full portability with over 14 hours of continuous working on the lowest ranges and 28 hours’ operation on others.

The Cropico DO4A is supplied ready for immediate use and comes complete with battery, mains cord and measuring leads. In addition, a wide range of optional accessories including duplex handspikes, other specialist clips, long length leads and wire clamps further extend the instrument’s versatility.

The DO4A forms part of a comprehensive range of precision measurement instruments available from the Seaward Group. More at

www.cropico.co.uk Tel: 0191 5878731


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