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Density meters for semi-automatic sample supply

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Code: #18977

Supplier: A.KRÜSS Optronic GmbH

A comprehensive quality assurance covering the entire production process is a must in any industrial sector. Density measurements are frequently used for this purpose, especially in the pharmaceutical, chemical, petrochemical as well as the food and beverage industry. They allow the manufacturer to analyse raw materials, semi-finished and finished products as well as the manufacturing steps in terms of a number of factors.

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  • Density can be used to identify substances, to determine their quality or purity and to measure their concentration in binary or quasi-binary mixtures. Substance conversions and reaction dynamics can also be inferred from it. In combination with other methods such as refractometry that measures the refractive index of substances, the density measurement allows you to make precise statements about the quality of each step of the production process.

    Density meters based on the oscillating U-tube method are characterized by high ease of use and are therefore used in particular for continuous density measurement and for rapid routine measurements with larger numbers of samples in laboratories.

  •  DS7700DS7800
    MEASUREMENT DATA
    SCALESDensity [g/cm³]
    Relative Density
    Brix [%Brix]
    Concentration of alcohol [vol%]
    Concentration of sulphuric acid [wt%]
    User-defined
    MEASUREMENT RANGE0–3 g/cm³
    MEASUREMENT ACCURACY±0.001 g/cm³±0.0001 g/cm³
    MEASUREMENT PERIODTypically 1–3 minutes including temperature control
    SAMPLE VOLUME IN CASE OF MANUAL INJECTION0.9 ml
    AMBIENT TEMPERATURE10–40 °C
    TEMPERATURE CONTROL RANGE10–40 °C
    TEMPERATURE MEASUREMENT ACCURACY±0.02 °C
    METHODSA practically unlimited number of methods can be set
    ADJUSTMENTAutomatic (menu-driven), with dried air and distilled water
    CONTENT SET 3
    DS7700-3
    DS7800-3    		Drying unit with 3/2-way valve DS7060
    Peristaltic pump
    Tygon tube set for use with drying unit: Suction tube, drain tube, air tube, waste tube, tube connections Luer
    Tube set for peristaltic pump: TPE pump tubes, PTFE tube connections (olive),
    Luer nozzles
    Luer syringes
    PE waste container with lid

  • High efficiency and special suitability for hazardous substances

    In case of low-viscous to slightly viscous samples, it is possible to perform a semi-automatic sample supply and cleaning of the U-tube oscillator using a peristaltic pump. This means higher efficiency and more safety if aggressive or harmful substances are analysed. It also improves the reproducibilityof the measurement results.

    • Drying unit and peristaltic pump with high chemical resistance
    • Intuitive operation via touch-screen display
    • Easy, menu-driven adjustment
    • Pre-defined scales such as density, relative density, brix, alcohol and sulfuric acid concentration
    • Compliance with GMP/GLP, 21 CFR Part 11, pharmacopoeias (USP, BP, JP, Ph. Eur.), FDA, ISO, HACCP, OIML, ASTM, ICUMSA, NIST

 

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