? 天津国产压力变送器,差压变送器常见故障分析!压力仪表制造厂家

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                天津国产压力变送器,差压变送器常见故障分析!
                信息来源: 差压变送器生产 | 2019-05-13 点击量: 2261

                   压力变送器常见故障分析!西安华恒仪表制造有限公司为您〖介绍:

                 
                  Pressure transmitter common fault analysis!Xi'an Huaheng Instrument Manufacturing Co.,Ltd.
                 
                  一:无输出
                  One:No Output
                 
                  1、导压管开关没有打开;
                  2、导压管路堵塞;
                  3、供电电源过低;
                  4、供电电源接错;
                  5、仪表输出回路故障;
                  6、安全栅故障;
                  7、表头故障、无法显示;
                  8、内部插件接触不良;
                  9、电路板故√障
                 
                  1.The switch of the guide pipe is not opened;
                  2.The guide pipe is blocked;
                  3.The power supply is too low.
                  4.Connection fault of power supply;
                  5.Output circuit fault of instrument;
                  6.Safety grid fault;
                  7.Head failure,unable to display;
                  8.Poor contact of internal plug-ins;
                  9.Circuit Board Faults
                 
                  二、输出过大
                  Excessive Output
                 
                  1、导压管中♀有残存液体、气体;
                  2、电路板故障;
                  3、负导压管一次阀没开或者是没开全;
                  4、负压管泄露;
                  5、安全栅故障;
                  6、DCS量程设置过大;
                 
                  1.There are residual liquids and gases in the guide pipe;
                  2.circuit board fault;
                  3.negative guide pipe primary valve is not opened or not fully opened;
                  4.negative pressure pipe leakage;
                  5.safety grid fault;
                  6.DCS range setting is too large;
                 
                  三、输出过小
                  Third,too small output
                 
                  1、正导压管堵;
                  2、平衡阀漏或者没关死;
                  3、电路板故障;
                  4、正导压管一次阀没开或者是没开全;
                  5、正压管¤泄露;
                  6、安全栅故障;
                  7、DCS量程设々置过小;
                 
                  1.Plugging of positive pressure guide pipe;
                  2.Leakage or not closing of balance valve;
                  3.Circuit board fault;
                  4.Primary valve of positive pressure guide pipe is not opened or not fully opened;
                  5.Leakage of positive pressure pipe;
                  6.Safety grid fault;
                  7.DCS range setting is too small;
                 
                  四、输出不稳定
                  IV.Output instability
                 
                  1、导压管中有残存液体、气体;
                  2、被测介质有波动;
                  3、输出回路中有接触不良或断续短路;
                  4、接线松动;
                  5、内部接插件接触不良;
                  6、压力传感器损坏;
                  7、电路中有多处接地;
                 
                  1.There are residual liquids and gases in the guide pipe;
                  2.There are fluctuations in the measured medium;
                  3.There are bad contacts or intermittent short circuit in the output circuit;
                  4.loose wiring;
                  5.bad contacts of internal connectors;
                  6.damage of pressure sensors;
                  7.there are many grounding points in the circuit;
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