测量直流电压电流，在数码管上显示，并且可显示功率。
Measuring DC voltage and current, the LED display, and display power.
J 0403型高中演示电表共有十四档量程，供教学演示实验中作检流计，测量微小电流，测量直流电压、直流电阻。
Demonstrating Electric Meter, Model J0403 has 14 ranges. It can serve as current detector in the experiment demonstration, measurement of micro current. DC voltage and DC resistance.
对于交流电压测量﹐利用有效值转换电路或精密整流器电路将交流信号转换成直流电压。
For AC voltage measurement, an RMS converter circuit or a precision rectifier circuit convert the AC signal into a DC voltage.
对于直流电流测量﹐在电流通道串联一电流分流器﹐将电流转换成直流电压信号。
For DC current measurement, a current shunt is place in series in the current path and convert the current to a DC voltage signal.
可以对0 ~ 500v电压范围内的交、直流电压进行较高精度的测量。
Can be 0 ~ 500v voltage range ac and DC voltage measurements with high accuracy.
介绍使用普通数字万用表的直流电压档在线测量电容和扩展电容测量范围所使用的技术。
In this paper, the methods of measuring capacity on line and expanding capacity range in DMMs DCV are introduced.
例如，在测量小直流电压的系统中，开关的接触电势将会被叠加到信号上。
For example, in a system for measuring small DC voltages, the contact potential of the switch will be added to the signal.
文中通过实验测量和模拟计算，得到了不同气压湿度下的正直流电晕起始电压和电晕离子电流。
It was obtained through experiment and simulation that positive DC corona inception voltage and corona ion current under different air pressure and humidity conditions.
介绍由单片机AT89C51、数据采集系统MAX197组成的直流电压测量电路。
The paper introduces the measuring circuit of volts d. c. equipped with AT89C51 single-chip microcomputer and MAX197 data-acquisition system.
本文介绍一种采用双积分A/D实现的直流电压光纤测量数字系统。
This paper introduces a DCHV optic-electronic measurement system which uses a dual-slope A/D as its signal converter.
这些测量通常包含直流电流和电压、电容以及脉冲i - V。
These measurements often include DC current and voltage, capacitance, and pulsed I-V.
它可对直流电压、直流电流、电阻及频率进行直接测量。
It can DC voltage, DC current, resistance and frequency of direct measurements.
此外，7461A能2通道电压测量和1个通道电流测量的直流电压，BC H码输入，有助于提高测量系统的性能。
Furthermore, the 7461a is capable of 2-channel voltage measurement and 1-channel current measurement with the DCV-Bch input, contributing to higher measurement system performance.
首先将整流直流电压的测量值与给定值进行比较并相减，再经过具有低通滤波功能的误差放大器后得到电压控制量。
First, rectified DC voltage are compared with the given value and subtraction, and then obtained voltage control value after get through a low-pass filtering and the error amplifier.
正如本书第一章所述，高源内阻的测量包括：低直流电压、弱直流电流、高电阻和电荷的测量。
As described in Section 1 of this handbook, measurements made from high resistance sources include low DC voltage, low DC current, high resistance, and charge measurements.
利用该统一模型，分析了外加直流电压法、外加交流电压法、乒乓切换法中电刷接触电阻对励磁绕组接地电阻测量值的影响和危害。
By using power of DC superimposed AC, oxidation rate rose with increase of voltage but had nothing to do with frequencies in this experiment.
利用该统一模型，分析了外加直流电压法、外加交流电压法、乒乓切换法中电刷接触电阻对励磁绕组接地电阻测量值的影响和危害。
By using power of DC superimposed AC, oxidation rate rose with increase of voltage but had nothing to do with frequencies in this experiment.
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