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用小角度圆锥形管接头(推荐圆锥角15°,见图5)将一次装置连接在管道上的方法是可行的,在此情况下,出入口直管部分的口径应与流量计保持同样的尺寸(见7.1.2),当管线是水平时,为防止形成气阱,应采用偏心锥管。 现象:电极短路的判别比较简单,若被测介质中含有金属物质时,电极短路较易诊断,此时测量值明显偏小或趋于零,但这种现象在日常运行中并不多见,因电磁流量计经常应用于原水和污水等计量环境,电极结垢的发生几率较高。沈阳市厂家SANIL山一SD-30MS,SD-30MSB,SD-30MSP,SD-30MSBP,SD-30MSK,SD-30MSKB,SD-30M,SD-30MB,SD-30MP,哪家好
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由当前坑房内的实际温度到设定档位温度按上述规律继续工作,控制湿温是保证烘烤质量的重要环节,为适应不同及增加人为的性,在35-43℃范围内控温档位设为9档,湿温控制曲线如图2所示,档位设定和控制规律与干温类似。 可提前作细致检查,三,故障检查和采取措施本节分别讨论上述五个方面故障原因的检查方法和采取措施,1.流动本身的波动(或脉动)检查流程图第1项,若流动本身波动,仪表输出晃动则是如实反映波动状况,管系流动波动(或脉动)的原因通常有三个方面:(1)电磁流量计上游的流动动力源采用了往复泵或膜片泵(经常用于精细。沈阳市厂家SANIL山一SD-30MS,SD-30MSB,SD-30MSP,SD-30MSBP,SD-30MSK,SD-30MSKB,SD-30M,SD-30MB,SD-30MP,哪家好
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