... sensor of Rosemount, is able to perform on – line testing on various fluids or liquid mixture. It has ... . Convenient convention of occupation standard density. Continuous on – line measurement without interruption. Able to directly use in the industrial ... lactic acid, etc.·Mining Coal, potash, saline, phosphate, calcium compound, etc.·Oil refiningLubricating oil, aromatics, fuel oil, and vegetable oil ...