Evaluation of uncertainty in measurement ofdc digital voltmeter examined with digital multimeter;
数字多用表检定直流数字电压表的不确定度评定
This paper presented the development of display meter and the advantages of digital meter and gave the design dates of AC/DC voltmeter,AC/DC current meter and AC power meter.
给出了交直流电压表、电流表和交流功率表的设计数据和实例。
Model J0408 DC Voltmeter is suitable for students to measure the voltage in a DC ciruit in laboratory.
J0408型直流电压表供学校学生在实验中测量直流电路中的电压用。
AC-DC digital voltage meter
交直流两用数字电压表
Digital electronic d.c.voltmeters and d.c.electronic analogue-to-digital convertors
GB/T14913-1994直流数字电压表及直流模数变换器
The Analyses of Magnetoelectric Voltage Meter Measuring AC Voltage and Rectifier Voltage Meter Measuring DC Voltage
磁电系电压表测量交流电压和整流系电压表测量直流电压的结果分析
The meter can be measured as in all kinds of AC/DC ampere 、 AC/DC voltage .
本仪表适用各种工业用电的交流直流电流电压测量显示。
DC ammeter with shunt
带分流器的直流电流表
The Uncertainty Evduation of Measurment for Dcvoltage of Three-phase and Direct Current Power Standard
三相交直流仪表检定装置的直流电压测量结果不确定度评定
AC clip-on voltammeter
钳形交流电压电流表
Analogue direct voltage signals for industrial process measurement and control instruments
GB/T3370-1989工业自动化仪表用模拟直流电压信号
Design of Controllable Dual Integral Direct Current Digital Voltage Instrument;
一种可控积分式直流数字电压表的设计
All range voltage,Ampere meter,can suit the demand of customer.
任意量程的交直流电压、电流表均可按用户要求供货。
A dc-motor load (the other application of these converter) can be represented by a dc voltage in series with the motor winding resistance and inductance.
直流电动机负载则可以表示为一个直流电压与一个电感和电阻串联。
frequency-DC voltage converter
频率-直流电压变换器
transistorized regulated DC power supply
晶体管直流稳压电源
D.C.resistive volt ratio boxes
GB/T3928-1983直流电阻分压箱
multiterminal HVDC transmission system
多端高压直流输电系统
two-terminal HVDC transmission system
二端高压直流输电系统
HVDC transmission line pole
高压直流输电线路极线