本文对d系列老式水力测功器的测量精度进行了分析，提出了改造测功器的措施和方法。
The measuring precision on D-series hydraulic dynamometer was analysed, and the measures and methods were developed in this paper.
第二是说明分压式线性传感器及其测试系统在柴油机水力测功器磅秤读数P（公斤）测量上的应用。
The second is the application of this sensor which is used for measuring the parameter P (kq) of Diesel.
本文简要介绍了HS - 125型水力测功器工作原理、主要技术指标、试验程序，概述了试验过程中出现的问题和处理方法。
In this paper, working elements, primary technology index and testing procedure of hydraulic dynamometer HS125 are introduced in brief.
本文简要介绍了HS - 125型水力测功器工作原理、主要技术指标、试验程序，概述了试验过程中出现的问题和处理方法。
In this paper, working elements, primary technology index and testing procedure of hydraulic dynamometer HS125 are introduced in brief.
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