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 电容器测试仪的原理与使用 [2009-10-13] |
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| 本文介绍一种实用电容器测试仪。
便携式电容 测试仪 可模拟电容器系统的在线运行状态，在不拆线或保险的情况下，方便地测量电容器带电运行时所表现的容量和介损，尤其可方便地适用于多个电容器并联的系统中，并可用以检查电容器系统电气连接情况和保险的状态以及电容...
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| 气体涡街流量计的产品特点及技术参数 [2009-10-13] |
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| 气体涡街流量计是根据卡门（Karman）涡街原理测量气体、蒸汽或液体的体积流量、标况的体积流量或质量流量的体积流量计。并可作为流量变送器应用于自动化控制系统中。
该仪表采用先进的差动技术，配合隔离、屏蔽、滤波等措施，克服了同类产品抗震性差、小信号数据紊乱...
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| 流量仪表的发展趋势和在线检验方法 [2009-10-13] |
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| 流量仪表在线检验方法
电磁流量计在线检验方法，其在线的检验规范需要得到国家技术监督部门和各相关行业协会对的认可电磁流量计在应用过程中的精度保证一直是用户所关心的热点问题。
在过去，电磁流量计的校验必需送到专门的标定校验设备上进行检查。但是，随着电...
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| 校验仪的常见故障的原因及其处理方法 [2009-10-13] |
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| 一.负压达不到标准
原因：
1.换向阀换向不到位，产生漏气现象。
2.正压单向阀或负压单向阀运动之后没有复位，造成空压现象。
处理方法：
1.换向阀一定要换向到位，换向阀杆不能半空悬浮。
2.检查正压、负压单向阀座孔是否没有达到要求。
3.弹簧倾斜严重，单向阀...
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| 新能源和可再生能源已占一次能源9% [2009-10-12] |
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| 从中国国家统计局获悉，2008年中国煤炭在一次能源结构中的比重为69%，石油和天然气在一次能源结构中的比重为22%，新能源、可再生能源量在一次能源结构中的比重为9%。
改革开放以来，尤其是最近几年，中国的水电、核电、风电、太阳能等新能源、可再生能源和清洁能源得...
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| LDT Sensors Get Interface Module for ControlLogix PLC [2009-10-12] |
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| AMCI releases an LDT interface module for Allen-Bradley’s ControlLogix PLC. Bringing Linear Displacement Transducer (LDT) position sensor data into the 1756 ControlLogix PLC is now easy and affordable. AMCI’s 2 channel 7252 LDT/MDT interface card c...
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| ASHRAE offers Building Energy Modeling Professional certification [2009-10-12] |
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| As building owners and developers become increasingly concerned about rising energy costs and potential obligations under climate change programs, building energy modeling helps provide a preview into a building’s likely energy use and allows decisi...
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| Exlar publishes Motion Control Product catalog [2009-10-12] |
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| Exlar announces its 2010 Product Catalog and Engineering Guide is now available. A manufacturer of high performance servo actuators and motors, Exlar offers seven product families featuring a broad range of capabilities with peak forces exceeding 40,...
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| Frost & Sullivan names Top Ten technologies [2009-10-12] |
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| Up to 85 percent of technologies developed globally never see the commercial light of day because they founder in the so-called Valley of Death – the virtual chasm so often separating applied research from technology demonstration. To help investors...
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| Horner APG introduces SmartMon power and energy monitoring products [2009-10-12] |
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| Horner Advanced Products Group (APG) introduced its series of SmartMon Energy Monitoring products that enable small to medium sized facilities to experience energy monitoring and management that was once only available to larger operations or simply ...
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