50W1F-H50A1A10B7AW德國E+H電磁流量計代理
50W3H-H50A1A10A7AW,50W1F-H50A1A10B7AW:德國E+H恩格斯豪50W3HH50A1A10A7AW,50W1F-H50A1A10B7AW,E+H電磁流量計在污水處理中就會用到:
1進水管;
2初沉池到貯泥池泥量檢測;
3污泥泵房剩余、污泥流量檢測;
4污泥泵房回流污泥流量檢測;
5二沉池配水井的出水流量檢測;
6消化池進泥量檢測;
7消化池出泥量檢測;
8絮凝池藥劑進量檢測等等。
E+H流量計比對的方法與標準表校準法
流量計比對的方法與標準表校準法相似,應在足夠長的時間內(nèi)比較標準表積算總量‰和被校表積算總量V。
1.用皮托管或其它插入式電磁流量計的請參照IS03966用皮托管比對大口徑電磁流量計流量值,這樣就必須在流量計上游(或下游)適當位置預留插入皮托管或其他插入式流量計的孔或閥。
2.用超聲流量計現(xiàn)在較多用可移動夾裝式超聲流量計(即便攜式超聲流量計)作流量比對。若電磁流量傳感器裝于地下儀表井時,應在儀表井內(nèi)電磁流量傳感器上游(或下游)預留夾裝超聲換能器所需管段和空問。若是新建管線則在未裝流量傳感器之前,精確測量擬裝夾裝式超聲換能器管段的內(nèi)徑,并記錄在案,計算準確的流通面積,以便比對時應用。內(nèi)徑測量方法可參照JJG640J94《差壓式流量計檢定規(guī)程》。
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