First, after using, it is necessary to timely the dust on the ruler with a cloth, especially for the price of the tape should pay attention to the maintenance of the scale, ensure that the surface of the shell clean, then use the oil has not been used to run the tape measure the body, so easy to use in the next time.
Second, the ruler of the ruler is generally nickel-plated, chrome or other coatings can easily be worn, to keep clean.
Third, try not to make the ruler with the measured surface friction, to prevent scratches. In the amount of the process, should be measured as short as possible.
Clean, no friction, moderate application of oil, careful maintenance, tape measure life can be extended so that its use value to maximize the play.