Laboratory Weights

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OIML Class E1 to M3, ANSI/ASTM Class 1 to 4 for Reliable Weighing Processes

METTLER TOLEDO offers a comprehensive selection of weights, from 1 mg to 5 tons in all common nominal values and weight classes.


  • Vacuum melted steel for highest level of material purity
  • Unique weight adjustment procedure
  • Initial weight calibration performed by robots
  • Routine testing

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