本文件描述了一种使用电容测量设备来确定沿纺织线长度的线密度不均匀性的方法。 本方法适用于由天然纤维或人造纤维制成的毛条、条子、粗纱、细纱和连续长丝，短纤维股为4 tex（g/km）至80 ktex（kg/km），连续长丝为1 tex（g/km）至600 tex（g/km）。不适用于花式纱线或全部或部分由金属等导电材料组成的股线；后者需要一个光学传感器（见A.4），并根据特定标准对生丝进行测试。购买本文件时可获得的所有当前修订均包含在购买本文件中。

This document describes a method, using capacitance measuring equipment, for determining the unevenness of linear density along the length of textile strands. The method is applicable to tops, slivers, rovings, spun yarns and continuous filament yarns, made from either natural or man-made fibres, in the range of 4 tex (g/km) to 80 ktex (kg/km) for staple-fibre strands and 1 tex(g/km) to 600 tex (g/km) for continuous-filament yarns. It is not applicable to fancy yarns or to strands composed fully or partly of conductive materials such as metals; the latter requires an optical sensor (see A.4), and to raw silk filaments which are tested according to a specific standard.All current amendments available at time of purchase are included with the purchase of this document.