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On line Density Meter
On line Density Meter

1.Density measurement 2.Two wire current transmitter 3.On line density meter 4.Digital display

On line Density Meter

VRWS3051-MD series intelligent on–line density meter equipped with a multiple parameter flanged sensor of Rosemount, is able to perform on – line testing on various fluids or liquid mixture. It has been widely used in many industries such as petroleum, oil refining, food, dairy, paper making, chemicals, and biological pharmacy,etc.

Main features:

Use of two wire current transmitter with integrated structure. No moving parts. Easy maintenance.Digital display.Easy installation and use.Used for the fluids in the pipeline or drum vessel, of flow or rest state.Interactive display between temperature and density parameter. Convenient convention of occupation standard density. Continuous on – line measurement without interruption. Able to directly use in the industrial control.Safe and clean. Wetted parts made of SS. Various options.

Application area:

·Sugar making & Brewing

Exaction of fruits juice, syrup and alcohol, etc.


Refining of milk, milk sugar, cheese, and lactic acid, etc.


Coal, potash, saline, phosphate, calcium compound, etc.

·Oil refining

Lubricating oil, aromatics, fuel oil, and vegetable oil, etc.

·Food processing

Tomato juice, grape juice, lemon juice, and jam, etc.

·Pulping and paper making

Black liquor, green liquor, pulp cleaning, bleached pulp, caustic alkali, etc.


Beer, soft drinks, wine, and instant coffee, etc.

·Chemical industry 

Caustic soda, acid, urea, sodium chloride, sodium hydroxide, etc.


Natural gas, coal gas, lubricating oil, and oil / water interface

Technical parameter

·Signal output

Two wire current 4 – 20 mA + Hart protocol

·Power supply

12 – 45 VDC

·Digital display

·Density range

0 – 5g/cm3


0.001 g/cm3



·Environmental temp

-10 - 60°C

·Load rang

Physical parameter

·Electrical interface

1/2 NPT – 14, M20 X 1.5

·Process interface

Metric flange / British flange / Collar clamp

·Wetted parts

316L, Hayne’s alloy or PTFE coating


Silicon oil DC200, high temp silicon oil, olive oil

On line Density Meter

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