Micro Ohmmeters and Resistance Testers
Resistance testers for electrical equipment and connections
A Micro-Ohmmeter (sometimes referred to as a Ductor tester) is used to accurately measure the resistance of an electrical circuit or electrical connections. A ductor tester measures the resistance of a joint, connector, busbar, cable or connection by using Ohm’s law, where a DC current is passed through the item under test and the voltage drop across the circuit or connection is measured. Basic Ductor Testers are suitable for measuring resistance of simple equipment such as joints and cables, however more complex equipment such as transformers and motors require more specialised equipment to safely test the resistance.  
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All equipment is supplied with a calibration certificate ("if Applicable"), tested & checked before we dispatch it and transported in a heavy duty transport case.