电石渣电磁流量计

原理，结构

智能电磁流量计是一种电磁感应式流量仪表，它由传感器和智能信号转换器组成。它能测量各类导电液体的体积流量，所测量的介质包括酸、碱、盐等强腐蚀性液体,原水，冷却水等导电液体及固液两相液体                                                                               

特点

"流量传感器的测量管道内无阻流件，没有压力损失。在测量导电液体介质时，只要合理选择内衬和电极材料，就能正常计量，并不受流体的密度、粘度、温度、压力和电导率变化的影响，故测量准确度高。

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应用                                                                                   

应用于石化、钢铁、电力、冶金、纺织、食品、制药、造纸等行业及市政环保、水利等领域

技术参数                                                                                         

●公称通径（mm）                          管道式四氟衬里：DN10～DN600（DN2DN3DN6DN8可选）                                                             

●特殊规格可定制                            管道式橡胶衬里：DN40～DN1200                        

●流动方向：                               正，反，净流量                                                    

●量程比：                                 150:1                                                             

●重复性误差：                         测量值的±0.1%                                                        

●等级：                            0.2级&0.5%级                                                           

●被测介质温度：                            普通橡胶衬里：－20～＋60℃                               

                                          聚四氟乙稀衬里：－30～＋100℃                             

                                          高温型四氟衬里：－20～＋180℃                                                     

●额定工作压力：         （高压可定制）  DN10－DN80：≤2.5MPa          

                                        DN80－DN150：≤1.6MPa                                           

                                        DN200－DN1200：≤1.0MPa                                       

●流速范围：                     0.1－15m/s                                             

●电导率范围：                  被测流体电导率≥5μs/cm                                           

●电流输出：                     负载电阻                     0～10mA：0～1.5kΩ                       

                                          4～20mA：0～750 Kω                     

●数字频率输出：                     输出频率上限可在1～5000HZ内设定带光电隔离的晶体管集电极开路双向输出。外接电源≤35V导通时集电极电流为250mA                        

●供电电源：                     AC220V、DC24V或3.6V电池                                             

●消耗总功率：                  小于20W                                                

●连接方式：                     流量计与配管之间均采用法兰连接                                      

●相对温度：                     5%～95%                                               

●防护等级：                     IP65（特殊订制IP68）                                                

●环境温度：                     零下25～＋60℃                                            

●要求直管段长度                            上游≥5DN，下游≥2DN