数字万用表
- 网络Multimeter;digital multimeter;DMM;DVOM;DVM
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HP-36B型数字万用表的原理与维修
Principle and Maintenance of HP-36B Type DMM
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数字万用表(DMM)只能测量直流和几十到几百赫兹的低频正弦信号幅度,不能测量高频信号和信号的频率。
On usual DMM only can measure signal 's amplitude of DC and AC from fifty to five hundred Hz , it can not measure signal 's frequency or amplitude of high frequency .
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基于DSP的高精度数字万用表研究
Research on the High Precision Digital Multimeter Based on DSP
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数字万用表h(FE)测试性能改进
Improvements in Test Properties of Digital Multimeter h_FE
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基于CPLD和单片机实现高精度数字万用表
Based on the CPLD and the Single Slice Computer to Realize High Accuracy Numeric Multimeter
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通过扫描电镜、激光Raman、数字万用表对薄膜结构和性质进行分析。
The film structure and the property were detected by the scanning electricity microscopy , Raman spectrum and the digital multitester .
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检测LCM对数字万用表准确度的要求
A Requirement of Digital Multimeters ' Accuracy for Inspecting Liquid Crystal Modules
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数据采集系统硬件由采集控制单元、数字万用表、计算机和直流电源组成;系统软件是基于Visualc++6.0的程序。
The hardware of the system consists of sampling control unit , digital multimeter , computer and power source , and the software of the system is developed based on Visual C + + 6.0 .
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激光能量计信号输入到数字万用表,数字万用表通过RS232总线与微机通讯;
Signal from laser energy meter is imported into digital multimeter , which is linked with computer via RS232 bus .
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该接口实现了与数字万用表的连接,可以与任何具有IEEE-488接口的仪器相连接。
It had been connected to a digital multimeter successfully , and can be used to connect any instrument equipped IEEE-488 interface .
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该方案对测量10Ω以下的小值电阻和20MΩ以上的高值电阻有较高的精度和分辨率,拓展了常规数字万用表的电阻测量范围,有较好的实际应用价值。
This method can be used to measure the numerical value of resistance below 10 Ω and above 20M Ω with relatively high precision and resolution ratio . It is of practical applicable value for the method has extended the measurement range of the conventional digital multimeter .
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然后利用理论研究的结论设计了以TMS320VC5502为核心处理器的高精度数字万用表测量系统,包括硬件设计和软件设计。
After method study , We design the measurement system of the high precision digital multimeter based on the digital signal processor ( TMS320VC5502 ) with low power consumption .
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一种增强数字万用表功能的高频电压测量电路
A High Frequency Voltage Measurement Circuit for Increasing Function of Multimeter
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袖珍式数字万用表的构成及常见故障处理
The Composition and Usual Malfunction Disposal of Pocket-size Digital Multimeter
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虚拟电子测试平台数字万用表的研制
The Development of Virtual Electronic Test Platform for Digital Multimeter
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一种用数字万用表测量电感的方法
One kind measures the method of the inductance with digital universal meter
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台式41/2位数字万用表故障分析方法
Analysis on the Failures of 41 / 2 Digit Bench-Type Digital Multimeter
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数字万用表的常用电路简介及检修
Brief Introduction of Circuit Principle and Repair of Digital Multimeter
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数字万用表测电阻功能扩展研究
On the Function Expansion of Digital Multimeter in Measuring Resistance
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在线测试数字万用表的设计
Design of Digital Multimeter for Used on line Measurement
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我还看到一个实验室通过互联网来校准高级数字万用表。
I also visited a lab that calibrates high-end DMMs using the Internet .
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自动换量限的数字万用表自动量程转换电路设计
Digital Multimeters of Auto-range Design of Automatic Range-changing Circuit
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一种数字万用表的自动计量检定系统
An Automatic Measurement and Verification System for Digital Multimeter
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使用数字万用表巡检功能对基站电信号进行监测
Detecting the Base Station Signal by Using Digital Oscillograph
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基于LabWindows/CVI的数字万用表远程控制
Digital Multi-meter Remote Control Based on LabWindows / CVI
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50000字手持数字万用表的研究与设计
Design and Research of 50000 Words Handheld Digital Multimeter
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数字万用表测量电容功能的扩展
Function Expansion of Digital Multimeter in Measuring Capacity
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数字万用表故障检测与排除的实用方法
Diagnosis and trouble shooting method for digital multimeter
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5位半台式数字万用表的研究与设计
Research and Design of 5.5 Bit Digital Multimeter
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数字万用表电导型附加器设计
Designing Conductance Adapter for the Digital Multimeter