... 2.Two wire current transmitter 3.On line density meter 4.Digital display On line Density MeterVRWS3051-MD series ... intelligent on–line density meter equipped with a multiple parameter flanged sensor of Rosemount, ... , and lactic acid, etc.·MiningCoal, potash, saline, phosphate, calcium compound, etc.·Oil refiningLubricating oil, aromatics, fuel oil, and vegetable ...