Swirlmeter is a new kind of velocity flow meter which has been widely used in industry for gas and stream flow measurement.
旋进旋涡流量计是一种新型的速度式流量计，已广泛应用于工业现场中的气体、蒸汽的流量测量。
A new portable propeller-type current meter BH-1 is introduced, which consists of three parts: flow velocity sensor, signal process circuit and data analysis software.
介绍了一种新型BH- 1型便携式旋桨流速仪，主要由自主研制的流速传感器、手持式主机及微机数据回放处理软件三部分组成。
The measurement of flow quantity and velocity is the primary task of hydrological measurement, whereas it is much hard to design a meter with high precision and convenient usage.
河流流量和流速测量是水利测量的基础工作，然而设计测量精确而又使用方便的仪器比较困难。
This paper introduced the flow measuring principle of time-difference method of ultrasonic flow meter and the flow calculating method in flow measurement with velocity instrument.
论述了流速仪法测流及水轮发电机组现场效率试验的原理和计算方法。
The analysis on the accuracy is made for measuring flow with monitoring system or with IS-25 flow velocity meter.
对监测系统监测流量与IS-25型旋浆式流速仪实测流量进行精度分析。
The analysis on the accuracy is made for measuring flow with monitoring system or with IS-25 flow velocity meter.
对监测系统监测流量与IS-25型旋浆式流速仪实测流量进行精度分析。
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