数字万用表

• Doing a measurement with your dmm in the acv position on your dc circuit will give a quick indication of any excess ripple on the supply when you don " t have a scope at hand
  用数字万用表的交流档在直流电路上进行测量，将在供电端产生一个任意超额纹波的快速指示，如果手头没有示波器的话。
• The scopemeter in this project is a handhold instrument , which can work absolutely , it is the new - style universal instrument and it synthesizes the functions of the digital storage oscilloscope , digital multimeter
  本课题研制的示波表是集数字存储示波器、数字万用表功能为一体能独立工作的手持式仪表，是电子测量领域内一种新型的、通用型仪表。
• Manufacturer of precision instruments and controls including barometers , density monitors and level control for use in applications in chemical , petrochemical , food , medical , pharmaceutical , water and wastewater treatment , utility industries
  -销售非接触红外测温仪环境测试仪音量计噪音计照度计温湿度计一氧化碳测试仪电力基础仪表数字万用表交直流钳形表。
• Multi - meter integrated in scopemeter can implement the measure of voltage , current , resistance , and diode . and it extends the function of scopemeter and offers more facility for users . in addition , the dmm module offers hardware
  在示波表有限的空间内集成了33 / 4位数字万用表功能模块,能够实现对交直流电压、电流、电阻、二极管的测量,扩展了示波表的多用途功能,方便了用户现场使用。
• And then this thesis mainly discusses the methods of developing virtual instrument such as digital scope , arbitrary waveform generator , digital multimeters , spectrum analyzer , with labview and modularization instruments based on pxi
  接着着重论述了利用labview和基于pxi总线的各种模块化仪器，开发诸如虚拟示波器、任意信号发生器、数字万用表，频谱分析仪等虚拟仪器的方法及实现过程。
• For example : the high frequency digital oscilloscope , the appropriative debugging , tests computer , eprom read - write , the multimedia computer video frequency signal generating device , the digital camera , dmm , weatherometer , the wave ridge welding machine and so on
  如：高频数字示波器专用调试测试电脑eprom读写器多媒体电脑视频信号发生器数码相机数字万用表器件测试老化台波峰焊机等等。
• Labview application environment is adopted for implementation of local instrument control . programmable instruments such as function generator , multi - meters , and oscilloscopes have been linked to the computer through general purpose interface bus ( gpib )
  采用labview应用程序开发环境对本地仪器进行控制，并通过gpib接口将可程控仪器，例如：函数信号发生器、数字万用表和示波器等设备连接到计算机上。
• Dmm s up to 7 - 12 digits are normally calibrated against the laboratory precision dmm s or calibrators . for dmm s of higher resolutions , or requiring special test specifications or techniques for better measurement uncertainties , calibration charges will be quoted , upon request
  至于更高分解度的数字万用表或要求按特别测试规定或技术以达致较佳计算误差的数字万用表，本所将按个别要求另行报上校正收费。
• As a new development in the field of electronic oscilloscopes a hand - held digital oscilloscope is a truly integrated test tool , with digital storage oscilloscope ( dso ) , multimeter and digital ondometer in one easy - to - use instrument
  <中文摘要> =手持式数字示波表是示波器技术的一个新的发展方向。通过使用大规模集成电路和液晶显示器，它把数字存储示波器、数字频率计、数字万用表组合在一个手持式仪表体内。
• But , with the development , it can ’ t meet the need of modern manufacture more and more . as a result , handhold digital storage oscilloscope is studied . handhold dso is an important genre of digital storage oscilloscope , it ’ s outstanding feature include small form , use battery instead of ac supply for power , and include the whole function of dso while implementing the basic function of multimeter . handhold dso can measure wave range automatic , analyze wave use cursor , measure resistance 、 diode and short circuit if choice digital multimeter
  手持式数字存储示波器是数字示波器的一个分支,它具有体积小、重量轻、便于携带、电池供电、无须外接交流电源等优点,它集数字万用表( dmm ) 、数字存储示波器于一体,可自动对信号进行幅度的测量,也可用光标对波形进行分析,同时还可以通过菜单选择来实现对电阻、二极管以及电路通断的测试;可以选择触发通道和触发模式。