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Inline process refractometers PR21S and PR21S-T

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Code: #18955

Supplier: A.KRÜSS Optronic GmbH

The process refractometer is the ideal solution for the chemical, petrochemical, automotive, aviation, metal processing, food, sugar, beverage, paper industries as well as wastewater control.

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    • Characterisation tests in research and development
    • Identity test, purity control and concentration determination of raw materials, semi-finished products and end products
    • Tracking of chemical processes during production
    • Identity test and concentration determination
    • Outgoing goods inspection
    • Stability test
    • Determination of the sugar concentration
    • Determination of the sugar concentration in semi-finished products and end products
    • Determination of the solids content in solutions
    • Determination of the purity in combination with a polarimeter
    • Routine analysis with high sample throughput
    • Determination of the sugar concentration in juices and alcohol-free beverages
    • Determination of the alcohol or extract content in beer, spices, wine or spirits
    • Quality control of dairy products
    • Sewage water check

  •  PR21SPR21S-T
    MEASUREMENT DATA
    SCALESRefractive index (nD)
    Concentration of sucrose, glucose, fructose and invert sugar [%Brix],
    User-defined
    MEASUREMENT RANGEnD 1.3200–1.5200 *
    0–95 %Brix
    MEASUREMENT ACCURACYnD ±0.0002
    ±0.2 %Brix
    RESOLUTIONnD 0.0001
    0.1 %Brix
    MOUNTINGInline
    MEASUREMENT PERIOD3–60 s
    MEASUREMENT PRISMSapphire
    LIGHT SOURCELED
    WAVELENGTH589 nm
    TEMPERATURE DATA
    TEMPERATURE COMPENSATIONICUMSA or freely definable
    TEMPERATURE MEASUREMENTWith integrated temperature sensor Pt100
    TEMPERATURE MEASUREMENT RANGE10–120 °C
    TEMP. MEASUREMENT ACCURACY±0.2 °C
    TEMP. MEASUREMENT RESOLUTION0.1 °C
    PROCESS TEMPERATURES10–60 °C10–120 °C
    AMBIENT TEMPERATURE0–60 °C
    FURTHER SPECIFICATIONS
    PERMITTED PRESSURE LOAD1 - 10 bar
    IP CODEIP65
    OPERATING VOLTAGE24 V (18–30 V)
    POWER CONSUMPTION (MEASUREMENT OPERATION)5 W without display, 6 W with display
    DIMENSIONS (W X H X D)180 mm x 190 mm x 180 mm
    WEIGHT3.5 kg
    SPECIAL FEATURES.Water cooling

  • Accurate results for automatic and continuous process control

    The inline process refractometers PR21S and PR21S-T are installed in pipelines of production facilities in order to control and regulate the concentration, mixing and fermentation processes. Thanks to the standardised connections, the measurement devices can be easily installed in pipelines. The measuring chamber is made of stainless steel, the measurement prism consists of scratch-resistant and especially chemical-resistant sapphire and is designed to prevent solids from sticking.

    • Determination of the refractive index directly in the line within a range of nD 1.3200–1.5200 and 0–95 %Brix
    • Measurement intervals from 3 to 60 seconds selectable
    • Automatic temperature compensation (%Brix and freely definable for customer-specific products)
    • Integrated sensor for temperature monitoring
    • User-defined scales
    • Stainless steel measurement chamber that meets all the requirements of the food and pharmaceutical industry, CIP/SIP capable
    • Sample prisms, made of scratch-proof and chemical-resistant sapphire
    • Cleaning via process cleaning processes
    • PR21S-T model can be coupled with water cooling and is suitable for process temperatures up to 120 °C
    • Easy connection with process control system or MPC via analogue outputs (0/4-20 mA)
    • Display for the visual monitoring is also available

 

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