The core selling points of this granite height gauge include its ultra-high measurement accuracy and durable structure. The main column is made of integral precision granite, which undergoes strict aging treatment to eliminate internal stress, ensuring that the straightness error is less than 0.8μm per meter. The measuring rod is made of hardened stainless steel, which has high wear resistance and corrosion resistance. The gauge head adopts a ruby contact head to improve wear resistance and measurement accuracy. It is equipped with a scale engraved by laser engraving technology to ensure clear and accurate reading, and the base is designed with anti-slip pads to improve stability during use.
Specific parameters of this manual granite height gauge are as follows: material of the main column is precision engineering granite with a density of 2.65g/cm³; measuring range is 0-300mm; resolution is 0.001mm; base size is 200×100mm; straightness of the main column is ≤0.8μm per meter; surface roughness of the working surface is Ra0.4μm; total weight is 12kg; it adopts manual operation without battery, suitable for various workshop environments; packaging uses shockproof foam and wooden box to protect the precision measuring rod during transportation; each product is equipped with a factory calibration report for traceable measurement.
This manual granite height gauge is mainly used in mold processing, precision machining, instrument calibration, and electronic component manufacturing industries. It can be used to measure the height of mechanical parts, detect the flatness of machine tool guide rails, calibrate other height measuring tools, and inspect the assembly accuracy of precision equipment. It is especially suitable for high-precision processing workshops that require strict height measurement accuracy, replacing traditional aluminum alloy height gauges that are prone to deformation.
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