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- current meter measurement principle 流速仪法测流原理
- current meter measurement 临仪测流
- A 10~(-14)A pico-ampere current meter made of integrated circuit CA3420 is presented. 用集成电路CA3420可制成10~(-14)A高灵敏微电流计。
- We have got the instrument (pressure gauge, thermometer, tachometer, current meter, universal meter) ready for the experiment (test). 我们已经准备好做实验（试验）的仪器（压力表、温度计、转速计、电流表、万用表）。
- We hae got the instrument (pressure gauge, thermometer, tachometer, current meter, uniersal meter) ready for the experiment (test). 我们已经准备好做实验（试验）的仪器（压力表、温度计、转速计、电流表、万用表）。
- To use the elements,you should prepare the adjustable transformer or silicon controlled transformer,voltage meter,current meter and autocontrol temperature meter etc. 使用元件必须配备调压变压器或可控硅调压器及电压、电流表和温度自动控制仪表等。
- To derive the residual low frequency current velocity, one usually deploys current meter moorings over 25 hours or more to remove the diurnal and semi-diurnal tidal components. 若要得到低频流速（主要是平均流及周期大于一天的海流），通常会施放流速仪，测量海流时间超过25小时，才能将全日潮和半日潮的成分滤除而得低频流的流速。
- This compact meter measures both surface resistivity and resistance to ground. It is giving simple repeatable measurement of conductive static dissipative and insulative surface. 表面电阻测试仪是一种测试物体表面电阻率和对地电阻的仪器,可进行简单可重复的导电性能、静电耗散、绝缘表面性能的测量。
- In-line flow restrictor protects the meter measuring element and the backflow preventer components from damage due to excessive flow. 管内流量限制器保护仪表测量元件和防回流阀部件不会因为过大的流量而受到损坏。
- China Association of metered measurement of the first member of the Committee, has now become an integrated company. 中国计量协会水表工作委员会第一批会员单位，目前已成为一个综合性的公司。
- Electric control board control all the operation of spray drying operation, it include voltage meter, electric current meter, AC thermograph, air switch, adjusting pressure meter, control meter, etc. 喷雾干燥工艺过程的操作、控制集中在电气控制柜上进行，电控柜由电压表、电流表、空气开关、交流接触器、可控硅调压表、温度显示、控制仪表，可控硅，大功率二极关等电气元件组成。
- Spray nozzle and magneto electric transformation, which uses diaphragm valve and water steelingproof to compose integration of IC card water current meter by IC card and monolithic processor. 本文根据节水科学管理的要求,介绍一种采用双喷嘴侧射流测量机构和磁电转换的流量测量原理,利用隔膜阀控制机构和防窃水结构,由IC卡和单片机系统组成的一体化IC卡水表。
- At present, method of thermal current meter, hotbox method, infrared thermal perturbation of the external walls in China are main methods to measure the heat transfer coefficients. 现阶段,热流法、热箱法,热红外摄像仪法是我国测量外墙传热系数的主要方法。
- uncertainty in meter measurement 测量不确定度
- Along with the increase of frequency, the meter measure error add, and the error of induction watt-hour meter relate to harmonics times and harmonics power. 感应式电能表随着频率的增加，计量误差加大，具有下降式的频率特性； 感应式电能表的计量误差与谐波次数的高低、谐波功率的大小、谐波功率的方向有关；
- A sound level meter measures sound pressure level.It has several frequency-weighted decibel (dB) scales (A, B, C) to cover different portions of the range of measured loudness. 声级表是用来测量声压级别的，它根据声音的频率分为几个分贝级（A, B, C）。
- They lowered nets, dredges, bathythermographs, still cameras, water bottles, coring pipes,current meters. 他们沉降下去网、挖掘机、深海温度测量器、静态照相机、水瓶、以及取心钻管和测流计。
- They lowered nets, dredges, bathythermographs, still cameras, water bottles, coring pipes, and current meters. 他们沉降下去网、挖掘机、深海温度测量器、静态照相机、水瓶、以及取心钻管和测流计。
- The testing equipment for wave and current meters drives the sensors to move and simulates the wave and current state by mechanical system. 摘要“彼浪与海流测量仪器测试装置”依靠机械传动机构带动传感器作相对运动，模拟“波浪”和“海流”测量状态。
