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Model 3242 Asphalt Content Gauge for construction testing

    Model 3242 Asphalt Content Gauge


    Troxler's Model 3242 Microlab Asphalt Content System provides a quick, accurate, and safe method of measuring the asphalt content of your bituminous mixes in your lab.

    In most countries you can possess the Model 3242 without the expense of obtaining a Radioactive Materials License. In states governed by the US Nuclear Regulatory Commission, the savings in licensing fees can pay for the Microlab after just a few months of lab operation. In states or countries with their own license requirements, your savings may be even higher.

    Precision @ 6% Asphalt
    1 min.
    4 min.
    8 min.
    16 min.
    7000 gram
    4" compacted
    6" compacted
    Neutron Source

    100 µCi ±10% Cf-252

    Source Form Stainless Steel Encapsulation, Special Form
    Shielding Polyethylene and Cadmium
    Shipping Case DOT 7A, Type A
    Power Source 110/220 VAC, 50/60 Hz; 12 V vehicle battery or 
    Alkaline Batteries (D Cell)
    Power Consumption

    1 Watt (nominal)

    Baud Rate Range 300 - 2400 baud
    Test Data Storage Up to 99 tests
    Calibration Storage Up to 64 calibrations
    Interface RS-242C for transfer to printer or computer
    Length 14.25 in. (36.2 cm)
    Width 11.00 in. (27.9 cm)
    Height 10.50 in. (26.7 cm)
    Weight 30 lbs. (13.62 kg)
    Operational Temperature 0 to 140°F (-18 to 60°C)
    Sample Temperature 0 to 350°F (-18 to 177°C)
    Mechanical (Control Unit)
    Length 8.62 in (21.9 cm)
    Width 11.00 in. (27.9 cm)
    Height 3.60 in. (9.2 cm)
    Weight 2.75 lbs. (1.25 kg)
    Operational Temperature 0 to 140°F (-18 to 60°C)
    Sample Temperature 0 to 350°F (-18 to 177°C)

    Supplied with:

    • Four stainless steel pans.
    • One 4" fixture with Universal Sample System (6" available as an option).
    • Four Helium3 thermal neutron detectors.
    • Hardshell case for transport. 

    The Model 3242 Microlab System eliminates many of the licensing requirements of the Model 3241-C, but it doesn't sacrifice any of the performance features. The Model 3242 gives you:

    • Nuclear asphalt content measurement without the need for a Radioactive Materials License (in most cases) 
    • Asphalt content measurement without the hazard and expense of the toxic chemicals employed in the solvent extraction method 
    • Compatible with the optional Universal Sample System, providing the added convenience of measuring either the commonly used 100 mm (4 inch) or 150 mm (6 inch) laboratory compacted samples 
    • The ability to download test data directly to a printer or computer, simplifying the reporting of results 
    • Calibration transfer from a centrally located gauge greatly reduces calibration time for field sites.
    • A twelve-month warranty and fifty years of Troxler experience give you the confidence you deserve.