查询词典 ammeters

Specially, in the field of high voltage power system, the standard signal source, which simulates the harmonic of electric power lines, is needed to calibrate the performance of detecting instruments, such as the detection of phase of high voltage electric power lines, the measurement of performance of lightning arresters, the calibration of ammeters, and so on.

特别是在高压电力系统的检测领域，常常需要模拟电网谐波的标准信号源对检测设备的性能进行校验，例如高压电力线路的相位检测，避雷器的性能检测，用户电能表的性能校验等。

Guarding is described further in Section 2.2.1 for voltmeters, Section 2.3.1 for ammeters, and Section 2.4.2 for ohmmeters.

有关电压表、安培计和欧姆计的保护技术将在第2.2.1、2.3.2和2.4.2节进一步介绍。

The product is widely used in dirty water wells, telecommunication cables wellhead, water meters and ammeters wells, and other checks wellhead.

该产品广泛应用于污水井口，电信电缆井口，水表电表井口以及其它检查井口。

Magnetic sensors based on semiconductor are also widely used in many areas, such as the measurement of the magnetic field, the read head of magnetic hard disk, the detection of non-magnetic signal, the automotive, contact less control and many ammeters.

基于硅的半导体磁敏传感器广泛应用于测量磁场强度的各种磁场计、读出磁介质上信息的各类磁头以及非磁信号的探测器等。

Note: flameproof push button box with four button, four indicators, two ammeters, one voltage meter and one switch

说明：隔爆型按钮箱，面板装有4只按钮，4只指示灯，2块电流表，1块电压表，1只开关。

This paper emphasized on the effect of the displacement of the wire from the core center and the effect of the rotation of the core, two shapes of commonly used N-turn coils were analyzed, the detailed steps for the uncertainty evaluation of clamp ammeters were given finally.

本文分别从被测导体偏心度和倾斜度以及不同校验线圈对钳形表铁心磁感应强度的影响等几方面进行分析，并给出钳形电流表校准不确定度评定的具体方法与步骤。

AC Ammeters above 100A require a basic 5A meter combined with extemal CT.

100A以上的直流电流表需要一个5A基本表，配外置电流互感器。

Motor starters, ammeters, pressure gauges, etc.

马达起动器，安培计和压力表应被弹性安装。

DC Ammeters above 50A require a basic 50mV meter combined with extemal shunt.

50A以上的直流电流表需要一个50mV基本表，配外置分流表。

Draw and interpret circuit diagrams containing sources, switches, resistors,lamps ,ammeters voltmeters, bells, and diode.

会画含电源，开关，电阻，灯，电流表，电压表，电铃和二极管的电路图。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。