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Wear and repair of laboratory precision balance weights
Date:2025-11-17 14:15     Source:daokedao     Browse:23

Laboratory precision balance weights are used for weight calibration, with an accuracy requirement of 0.1mg. Weights with surface wear and calibration errors exceeding the standard can only be scrapped traditionally. The cost of a single high-precision weight exceeds $1000, and the annual replacement cost of a metrology laboratory in Germany is high. Daokedao adopts micro melting technology and is equipped with a high-power microscope observation system to accurately melt a platinum iridium alloy coating on the worn surface of the weight. The coating thickness is only 0.05mm, and the accuracy error after repair is less than 0.05mg, fully meeting the measurement requirements. After application, the service life of the weights has been extended from 3 years to 10 years, saving $8000 in replacement costs annually and maintaining a calibration pass rate of 100%. This repair plan has been recognized by the German Metrology Research Institute (PTB) and has become the designated repair technology for multiple metrology laboratories in Europe.

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