Side Mounted Liquid Density Meter

HYDP301 series online density (concentration) sensor is a continuous online measuring instrument of liquid density, mainly used for industrial process automation control. The corresponding 4-20mA analog signal is generated according to the change of the medium density, and at the same time it can be converted to output a digital signal to facilitate remote calibration and monitoring. According to different industrial processes, density can be expressed as: Brix degree, GL degree, Baume degree, Plato degree and concentration percentage.

HYDP301 density (concentration) sensors can be widely used in industrial pipelines such as on-site pipelines, open or closed storage tanks, and can continuously and real-time measure the liquid density of pipelines or tanks online.

Working principle

The HYDP301 density (concentration) sensor is based on the Archimedes principle: P=ρgh, the static pressure of a liquid column at a certain height is proportional to the density of the liquid, so it can be based on the static pressure value measured by a pressure measuring instrument Measure the density of liquids. The detection end uses a capsule pressure measuring element to directly measure the static pressure value of the liquid column, and then processes the program to convert the static pressure value into the density value of the medium.

Principle of differential pressure measurement

Based on the traditional principle of measuring static pressure：

Typical application industry

◆Sugar industry and brewing industry:

Extract juice, syrup, grape juice, etc., alcohol GL degree, ethane ethanol interface, etc.

◆Dairy industry:

Condensed milk, lactose, cheese, yoghurt, lactic acid, etc.

◆Construction and mining:

Slurry adjustment, coal (coal washing), potash, brine, phosphate, compound, limestone, copper, etc.

◆Oil refining:

Lubricating oil, fragrance, fuel oil, vegetable oil, etc.

◆Food processing:

Tomato juice, fruit juice, vegetable oil, starch milk, jam, etc.

◆Pulp and paper industry:

Black pulp, green pulp, paper pulp cleaning, evaporator, white pulp, caustic soda, etc.

◆Chemical:

Battery (sulfuric acid concentration, ratio) acid, caustic soda, urea, detergent, polymer, ethylene glycol, sodium chloride, sodium hydroxide, etc.

◆Petrochemical:

LNG, oil and gas washing, kerosene, lubricating oil, oil/water interface, etc.

◆Beverage processing:

Beer, soft drinks, fruit wine, instant coffee, malt, etc.

◆Pharmaceutical:

Concentration, fermentation, evaporation, proportioning, etc.

Technical characteristics

◆Direct density or concentration readings, engineering units that can be used include: g/cm3, kg/m3, specific gravity, °Brix, °Baume, °Plato, °GL, percent solids, etc.

◆Suitable for flowing or still liquid

◆Suitable for density measurement of pipelines and tanks

◆Two-wire system adopts 4-20mA/Hart output

◆Three-wire system adopts 4-20mA/RS485 output

◆Adopt integrated structure, no moving parts

◆Standard industrial and hygienic process connection

◆The converter can be equipped with GPRS wireless remote transmission function

◆Built-in temperature sensor provides accurate temperature compensation

◆Built-in bubble level meter, it is easier to ensure the installation level

◆Online remote verification, digital local display

◆Factory multi-point linear correction, higher accuracy

◆On-site recalibration: no standard reference source, no experimental calibration, no process interruption

◆The converter is compatible with three installation methods: wall-mounted, embedded and desktop

◆The converter uses touch screen display, the interface is more friendly

Technical Feature

Outline

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