Digital caliper is a measuring tool for measuring length, internal and external diameter and depth.The digital caliper has the characteristics of intuitive reading, convenient use and various functions.The digital caliper is mainly composed of ruler body, sensor, control calculation part and digital display part.According to the different forms of sensors, digital calipers can be divided into two categories: magnetic grid digital calipers and capacitive grid digital calipers.Working principle: The ruler body of the digital caliper is equipped with a high-precision rack, which drives the circular grid plate to rotate. Using the photoelectric pulse counting principle, the displacement of the caliper measuring claw is converted into a pulse signal, and the measured size is digitally displayed on the screen through the counter and display.
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