speed-sensing device

Researches into the Particularity and the Structure of Stepless Speed Change Device

带式无级变速器特性与结构的分析研究

The Check Unit of the Standard Device of the Train Speed Indicator

列车测速仪标准装置传感器检查器

A measuring device for melting and crystallization parameters of slag has been developed using single thermal couple which not only is as a measuring temperature element, but also as a heating element with the characteristics of higher speed of temperature going up and lowering and higher measuring efficiency.

研制了热丝法炉渣熔化和结晶参数测定仪，该测定仪用一根双铂铑热电偶丝既作加热元件又作测温元件，具有升、降温速度快，测量效率高的特点。

The compound control mode of speed control and tension control was used and the zero shift of the tension measuring device was compensated and spot-calibrated by software and hardware.

在控制方案上采用速度控制和张力控制的复合控制方式，同时通过软硬件对张力测定仪的零点漂移进行补偿和现场校正。

A take up device of high speed telephone cable tandem line is presented which features simple construction and relatively easy to manufacture.

介绍一种结构简单，制造相对容易的高速市话电缆串列线收线器。