| 天津國產壓力變送器，差壓變送器常見故障分析！ |
| 信息來源： 差壓變送器生產 | 2019-05-13 點擊量： 4535 |
壓力變送器常見故障分析！西安華恒儀表制造有限公司為您介紹：
Pressure transmitter common fault analysis!Xi'an Huaheng Instrument Manufacturing Co.,Ltd.
一：無輸出
One:No Output
1、導壓管開關沒有打開；
2、導壓管路堵塞；
3、供電電源過低；
4、供電電源接錯；
5、儀表輸出回路故障；
6、安全柵故障；
7、表頭故障、無法顯示；
8、內部插件接觸不良；
9、電路板故障
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、輸出過大
Excessive Output
1、導壓管中有殘存液體、氣體；
2、電路板故障；
3、負導壓管一次閥沒開或者是沒開全；
4、負壓管泄露；
5、安全柵故障；
6、DCS量程設置過大；
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、輸出過小
Third,too small output
1、正導壓管堵；
2、平衡閥漏或者沒關死；
3、電路板故障；
4、正導壓管一次閥沒開或者是沒開全；
5、正壓管泄露；
6、安全柵故障；
7、DCS量程設置過??；
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、輸出不穩定
IV.Output instability
1、導壓管中有殘存液體、氣體；
2、被測介質有波動；
3、輸出回路中有接觸不良或斷續短路；
4、接線松動；
5、內部接插件接觸不良；
6、壓力傳感器損壞；
7、電路中有多處接地；
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;
陜ICP備09007751號-1