法兰式静压液位变送器
2012-02-07 15:43  点击:1280
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姓名:蔡先生(先生)
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地区:上海
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法兰式静压液位变送器
LV70系列
原理,结构                                                                              
基于陶瓷电容技术,当液位增加时,加在陶瓷电容上的压力增大,使得电容值增大,电容值 正比于液位高低。                                                                                 
特点                                                                                   
法兰式安装,过载能力强,稳定性好,每年优于0.1%的满量程,抗干扰能力强,极高的精度及重复性,可达0.2、0.5级 ,可在现场调节零点、满量程。陶瓷测量界面抗腐蚀性好。
应用                                                                                   
适用于粘稠和浆状介质、强腐蚀液体、富含颗粒类介质,不易堵塞。                            技术参数                                                                                   
●测量范围:                            见选型表                                                       
●精度等级:                       0.2%或0.5%                                                  
●线性度:                           ±0.2%或±0.5%                                                   
●迟滞:                       ≤±0.01%满量程                                                 
●稳定性:                               优于每年0.1%                                                      
●温度影响:                            Tk<±0.02%FS/K                                                 
●量程迁移:                        可按标准量程的10:1迁移                                                   
●工作电压                         12…36V DC                                                   
●负载电阻 :                      ≤1000Ω                                                      
●工作温度:                        -30…85℃                                                      
●介质温度:                       -30…80℃                                                      
●存储温度:                            -30…85℃                                                      
●法兰规格:                            DN50 PN4.0MPa                                                 
                            DN80 PN4.0MPa                                                 
●防护等级:                       IP65                                                       
●变送器外壳材料:                           模压铸铝                                                       
●法兰材料:                        不锈钢316L/聚四氟乙烯(PTFE) 可选