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    Automatic Digital Refractometers

    Automatic Digital Refractometers
    Automatic Digital Refractometers
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    Product Code : ADR
    Product Description

    Automatic Digital Refractometers

    Automatic Refractometer Model AR-1700

    The AR-1700 Automatic Refractometer is a compact instrument used for measuring the refractive index and brix at the digital, automatic level. The AR-1700 Automatic Refractometer features exceptional accuracy, automatic temperature compensation, a wide reading range, and simple and fast operation. It offers outstanding flexibility to provide accurate readings for a variety of applications.

    The refractive index measurement is easy, fast and non-destructive and can be used to identify and characterize materials. The sample is placed on the measuring prism and is irradiated by a 589nm (Na D-line) LED.

    The shadow line is detected with a high-resolution linear array CCD and hence the refractive index is obtained using internal software and is displayed. Degrees Brix (symbol °Bx) is the sugar content of an aqueous solution. It is the most commonly used refractometer scale for measuring solids dissolved in water; it corresponds directly to the refractive index scale. Temperature correction or control is necessary in refractometers because refractive index varies with temperature. In Holmarc’s refractometer automatic temperature compensation (ATC) corrects readings over a range of temperatures for sucrose solutions. A temperature sensor is also integrated for the precise measurement of sample temperature.

    The AR-1700 refractometer features an expanded refractive index reading range of 1.3200 to 1.7000 which enables you to analyze a broad range of samples. The alphanumeric key pad and graphic display provide a means of entering and displaying prompts and data. Regardless of an instrument’s specified accuracy, a refractometer’s real world performance depends on how well the instrument is cleaned between samples. The AR-1700 addresses this issue by providing a very flat, easy to clean measurement surface with no corners or crevices that tend to trap samples causing contamination.

    SpecificationModel AR-1700
    Principle of operationOptical-Refraction Critical-Angle detection system
    Refractive index1.3200 – 1.7000
    Resolution0.0001
    Accuracy+- 0.001
    Brix0 – 95%
    Resolution0.01%
    Accuracy+- 0.5%
    Optical Wavelength589nm (Na D-line)
    Light SourceLED
    Filter589 nm Interference Filter
    DetectorLinear Array CCD
    DisplayGraphic LCD
    Temperature SensorPt 100
    Power SupplyAC 230V / 50Hz

    Additional Information:
    • Item Code: AR-1700

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