This standard specifies the requirements, test methods, inspection rules and markings, Encasement, transportation and storage of paper and Cardboard short-range compression testers. These provisions apply to test instruments for short-range compression testing of paper and Cardboard, referred to as short-range compressors. The provisions of this standard can be referred to when performing periodic technical status inspection of short-range compressors in use. The standard also includes provisions on basic requirements, working Environmental requirements and basic technical parameters. The requirements of the working environment include temperature, Humidity, stability and flatness of the table, as well as the cleanliness of the working environment and the absence of vibration and corrosion gases. In addition, the basic technical parameters of short-range compressors are also specified.