ASMGM, Air Shipment Milligauss Meter for Magnetic DC Fields up to 200/2000mG

Item number: ASMGM

  • Measuring range: ±199.99 mG or ±1999.9 mG with polarity indicator
  • Resolution: 0.01 mG
  • Accuracy: ±2% of reading
  • Category: Magnetic Field (DC)


    1.331,61 €

    including 19% VAT.

    Exp. shipping time: ca. 2-3 weeks

    : 7 workdays

    pc.


    Description

    ASMGM, Air Shipment Milligauss Meter for Magnetic DC Fields up to 200/2000mG

    This meter (Oersted Meter) is used to verify compliance with IATA, IACO and FAA regulations on magnetism from packages to be shipped by air.
    The regulations state that any package that has a horizontal magnetic field greater than 5.25 milligauss at a distance of 15 feet from the surface of the package cannot be shipped by air or must be repacked to be below 5.25 milligauss. If the field is below 5.25 milligauss at 15 feet but above 2 milligauss at 7 feet, the package can be shipped, but must be labeled as magnetic. If below 2 milligauss at 7 feet, it can be shipped without labeling or any other restriction.

    Features:

    • 4 ½ digit display reads magnets with .01 milligauss resolution, including polarity.
    • Performs relative and absolute field measurements
    • Probe and battery included.
    • Supplied with a NIST traceable calibration certificate
    • Integrated jack for permanent AC power supply (option)
    • CE Compliant.

    The Air Shipment Milligauss Meter has been designed so that one person alone can be the tester, and do repackaging, if necessary, without moving from the area. The remote sensor shown on the left side of the photo is connected through a 15-foot cable to the control box on the right. This control box is placed next to both the package and the tester (person) so the tester can manually rotate the shipment. The remote sensor is placed either 15 feet or 7 feet away, depending on which test is being done.

    Using knobs on the control box, the meter is first set to zero without the air shipment present. This compensates for the field in the room (including the earth's field). This "zero" adjust remains accurate until the sensor is moved or if something large and magnetic is moved nearby. After zeroing, the package is brought in and rotated (in a "lazy Susan" manner) 360° on the floor. As the package is rotated, the tester is watching to see if the display ever reads over "5.25" or "-5.25" milligauss, or "2.00" or "-2.00", depending on which test is being done. With the fast update speed of the numerical display, the whole test requires about 20 seconds, including 360° rotation.

    The meter is performing ?relative? field measurements when used as described above (where the meter detects up or down deviations of the field relative to the normal room field). In addition, this meter can perform absolute field measurements of up to +/-1500 milligauss (compared to the earth field of 200 to 600 milligauss). This absolute measurement function is handy for checking the effectiveness of demagnetization steps and for other research and process monitoring with magnetic materials.


    Technical data:
    Measurement parameter: DC magnetic flux density
    Measuring range: ±199.99 mG or ±1999.9 mG with polarity indicator
    Resolution: 0.01 mG
    Accuracy: ±2% of reading @ -1°C to+49°C (up to ±1500mG)
    Battery: 9V alkaline


    Optional accessory:
    Analog output jack

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