Cleaning of the volume pipe shall be made before recalibration to remove greases in the standard section of the pipe and wax deposited in pipe wall.

• 在复检前需要对体积管进行清洗,去除体积管标准段内的油垢和管壁上的结蜡,如果清洗不彻底,将直接影响体积管的标准体积及准确度。