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- test frequency converter 测试变频器
- VFC? Voltage to Frequency Converter? 电压频率变换器?
- Purpose: UHF frequency converter, local oscillator，wide band am plifier. 用途:用于超高频频率转换,负载振荡器,宽频放大。
- Programmable controller, man-machine interface and frequency converter are of Japanese "Mitsubishi" brand. 可编程控制器、人机界面、变频器采用进口产品。
- An optional 20 kHz test frequency can be added to those five frequencies. 还能增加可选的20kHz测试频率。
- The testing system was mainly composed of PLC, MMI, frequency converter, approach switch and acceleration transducer. 并通过plc、MI、频器、近开关、速度传感器等组成的控制系统完成了对零部件的振动试验。
- As more switch cards are added to expand the system, the maximum allowable test frequency may decrease. 当通过增加开关卡扩展系统时，最大允许测试频率将下降。
- Bear the function of spare unit but consume you less investment when compared with frequency converter. 相比变频,多了备用机的功能,投资反而更少了。
- According to reports, Jamaica last year's IAAF out-of-competition doping test frequency, the world's fifth more. 据报道，牙买加去年接受的国际田联赛外药检次数，是世界第五多的。
- Cost you less than frequency converter but save you more energy in a certain range. 比变频的投资更少,在部分范围更节能。
- The switchgear cabinets for this crane series feature frequency converter technology. 此系列起重机的开关箱采用变频器技术。
- In severe cases, hearing loss may be profound with descending curve, which imply that the hearing loss is severer as the test frequency becomes higher. 在严重病例，重度的听力下降表现为下降型曲线，即随着测试频率的上升，听力下降的程度越来越重。
- This paper describes a Static Phase Advancer using thyristor AC-AC frequency converter which is designed for asynchronous induction motor. 介绍了一种由可控硅构成的交交变频器为主要结构的异步电动机静止进相器。
- The New Techniques Development of High Voltage High Power Frequency Converter of ABB Co. ABB高压大功率变频器的最新技术发展
- Adopt multi-function digital-indication frequency converter, and stepless variable speed. 采用多功能数显变频器，无级变速；
- Add hardness test for the raw material and finish parts to the drawing and inspection standard, and set suitble test frequency to ensure the pats conformance with the standard. 3在图纸和检验标准中增加原材料和成品零件硬度检验的规定;设定合适的检验频率;确保零件符合标准要求.
- Man-machine interface, programmable controller, tem-controller and frequency converter are of import brand. 人机界面、可编程控制器、温控模块、变频器采用进口产品。
- This new crane has the new FR. Tronic, with continuous speed control of the various motors using a static frequency converter, as standard equipment. 此新型起重机配备新型FR.;tronic;作为标准配置;安装有一个使用静止变频器的马达转速连续控制器。
- This product is used for connecting motor and frequency converter of some other places where higher shielding performance is required. 本产品与变频器连接的电机引线或其它有较高屏蔽要求场合使用。
- A simple test will show if this is real gold. 简单的试验就能证明这是否是真金。
