Things You Will Need
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Examine the height gauge for any obvious signs damage or wear which could affect the function of the gauge. Verify that the height gauge is in good working order.
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Clean all parts of the height gauge including the gauge base, scribe tool, rails, and body.
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Measure a 1” gauge block with the height gauge. Verify the measurement taken matches the specification on the gauge block. If the reading is incorrect, the gage is out of calibration and will need to be repaired.
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Perform additional measurements with the gauge using random calibrated gauge blocks. Verify each measurement taken matches the specification on the gauge block. Measurements should be taken at random heights from the base to the gauge’s full height. If any measurement is incorrect, the gauge is out of calibration and will need to be repaired.