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Detailed explanation of 1 ton weightHow about the performance of the 1 ton weight for calibration?product description:◎Material: pure gray cast iron casting, exterior process spray paint, density of 7.00g/cm3, gray cast iron weights are not only accurate, but also strong in wear resistance. The inte

[Summary] This article mainly introduces our knowledge and practice of weightless calibration of weighing instruments;[Keywords] Analog sensor, digital weighing system, weight-free calibration; 0:PrefaceThe calibration of weighing instruments with unconventional shapes of load-bearing devices has al