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    Home » Products » Digital Polarimeter » Digital Polarimeter Model No: HO-DP-500

    Digital Polarimeter Model No: HO-DP-500

    Digital Polarimeter Model No: HO-DP-500
    Digital Polarimeter Model No: HO-DP-500
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    Product Code : DP
    Product Description

    Digital Polarimeter Model No: HO-DP-500

    Parisa Technology supplies automatic digital polarimeters for industry and research with robust performance and efficiency. Symmetric angular oscillation optical null technique by Faraday Modulation is implemented in our polarimeters to achieve high resolution and repeatability. Operation is simple: place the sample filled tube in the automatic Polarimeter and press READ button. Measurement is displayed on the soft color LCD display of the instrument.

     

    The Polarimeter is used for determining the optical rotation of substances. By measuring optical rotation, the concentration, content, purity etc of certain substances can be found out. Therefore, the Polarimeter has become one of the most useful instruments in laboratories of sugar industry, pharmaceutical industry, oil refining, foodstuff industry, chemical industry, universities and scientific research field.

    Major modules in our Polarimeter include light source, Interference filter, polarizer, faraday modulator, sample chamber, analyzer and Detector.

    Unpolarized light from light source (Sodium vapour lamp) passes through an interference filter and polarizer so that a fixed wavelength polarized light comes out. This polarized light enters the Faraday Modulator and then passes through the sample cell. The modulated light which passed through the sample cell enters a second polarizer, known as the “Analyzer,” which detects the angle of rotation. Finally, the light falls on a photomultiplier tube which converts the light intensity to an electric signal.

    SPECIFICATIONSLight source : Sodium vapor Lamp

    Optical wavelength : 589 nm (Na D-line)
    Measuring range : ± 180° (Switchable)
    Resolution : 0.001 Deg.
    Repeatability : ± 0.03 Deg.
    Accuracy : ± 0.03 Deg.
    Sugar Scale Range : ± 259°Z
    Resolution : ± 0.01°Z
    Repeatability : ± 0.1°Z
    Accuracy : ± 0.1°Z
    Measuring modes : Optical Rotation, Specific rotation, Concentration,
    Optical Purity & Sugar Scale.
    Sample chamber : Accepts sample cells up to 200mm Length
    Principle : Symmetric angular oscillation optical null principle.
    User interface : 5.7 inch Graphical LCD & Keyboard and PC Software
    PC Interface : RS232
    Calibration : Automatic calibration by push button
    Detector : PMT
    Dimension : 625 x 335 x 270 mm h
    Weight : 30 Kg (Approx.)
    Power requirement : AC100- 230 V 50 Hz

    Optical rotation is directly proportional to path length; the longer the tube, the greater the overall accuracy. Holmarc’s Polarimeter accepts tubes up to 200mm long. A 200mm sample tube offers twice the sensitivity when measuring the same solution in a 100mm sample tube. Different types of sample tubes are available up to 200mm length.


    Additional Information:
    • Item Code: HO-DP-500
    Trade Information
    • Main Domestic Market
    • All India

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