The height vernier caliper with an upper limit of more than 1000-2000mm will wear out the measuring surface of the claw and the working surface of the base after a long time of use. The ruler is located at one end of the base, and the working surface of the base at this end is more worn during use. , causing the working surface of the base to be not perpendicular to the base surface and the scale surface of the ruler. The measuring jaw surface and the working surface of the base are not parallel, resulting in a large indication error.
About PDLC Smart Film and Switchable Smart Glass working voltage are 110V/60V/48V, usually home using voltage are 110V/220V,so we need a PDLC Smart Film Power Supply or Voltage Transformer to connect with Intelligent Glass and Privacy Smart Film
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