A New System for Traceable Calibrations of Weld Current Monitors at INTI Argentina

This article presents an improved system for traceable calibrations of weld current monitors/testers at short duration high pulsed currents developed recently at the Instituto Nacional de Tecnología Industrial (INTI) in Argentina. The calibration system has an increased capability of generating short duration high pulsed currents of up to 25 kA, and an improved uncertainty of 0.2% of the calibration system for the measurement of their root-mean-square values. The performance evaluation of the improved calibration system conducted at INTI and also at the National Research Council (NRC) Canada is presented. Its use is intended for providing a traceable and ISO/IEC 17025 Standard compliant calibration service to the automotive industry in Argentina.