Test & Measurement

Handheld digital microhmmeters cover wide range of applications

27th May 2016
Mick Elliott

A series of handheld digital microhmmeters from Seaward provides a practical solution for a wide range of low resistance measurement applications in the precision engineering and manufacturing sectors. The portable and rugged instrument range includes a number of advanced features to ensure high measurement accuracy including forward and reverse current measurement with auto averaging, true current zero, long scale length and a selectable measurement range from 40mW to 4kW with respective resolutions between 10mW and 1W.

Within the three model series, the DO4001 also includes temperature compensation, with preset coefficients for copper and aluminium 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 Cropico DO4000 series comes complete with a standard 1 metre length lead set and a rechargeable battery option includes a battery pack, docking station and charger.

The DO4000 series forms part of a comprehensive range of Cropico instrumentation available from Seaward for precision measurement applications.

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