WCA March 2013

Improved testing of power distribution equipment during the installation of cables is provided by the Cropico DO4000 range of high performance, digital milliohm meters now available from Seaward. The portable and rugged instrument DO4000: Made to measure for power distribution cable integrity

features a number of advanced features to test and measure accurately the integrity of switchgear cable joints and other distribution equipment to ensure they are fully maintained and func- tion correctly. These include forward and reverse current measurement with auto averaging, true current zero, long scale length and a selectable measure- ment range from 40mW to 4kW with respective resolutions between 10mW and 1W. Within the range, model 4001 also includes temperature compensation, with preset coefficients for copper and aluminium

❍ ❍ The Cropico DO4000 from Seaward

plus user settable coefficients for other materials. Temperature measurement over the range –50 to +800ºC is also available. Protection up to 415V rms is provided at the measurement terminals and push button operation is achieved easily by clearly marked function controls. Direct reading measured values are displayed on a four-digit LCD display. Over range and low battery indication is also provided and warning LEDs illuminate when an open circuit lead condition is detected. The 4000 series can be supplied with long leads to allow for accurate measurement of large blades, and a rechargeable battery option includes a battery pack, docking station and charger. Seaward Group – UK Website : www.seaward.co.uk

32

Wire & Cable ASIA – March/April 2013

www.read-wca.com