ISO/IEC 17025 - accredited Calibration of drawing stroke of sheet metal testing machines according to ISO 9513:2013 ISO/IEC 17025 - accredited Calibration of Ear Measuring Instrument, Model 126 Plus, acc. to ISO 9513:2013 ISO/IEC 17025 accredited Calibration of the Bulge test pressure sensor (models 145, 146, 161) acc. to DKD-R 6-1:2014 (procedure A) Model 430: ISO/IEC 17025 - accredited Calibration of the cutting distance according to ISO 9513:2013