In the paper, the influence of blending ratio on electrical signal produced by blended strands in the capacitive evenness tester is disscused when strand volume content in the condensor is very small.

• 根据纱条在电容传感器中的实际情况，提出了充满度很小时纤维和空气组成并联介质的分析方法，建立了电容与纱条混纺比之间的线性关系。