Weight Calibration Services

ISO/IEC 17025 Accredited Weight Calibration Services

Troemner understands the importance of precision and accuracy when it comes to weights & measures.

With over 170 years of industry experience, Troemner’s staff of metrologists and calibrators possess a high level of expertise with primary and secondary mass standards. At Troemner we address every variable of our measurement process to ensure consistency of calibration, which leads to accurate results in your processes, products and services. Troemner’s foundation is built upon skill in precision measurement. Our standards are continually maintained according to NIST procedures and ISO/IEC 17025 guidelines. We are committed to reducing costs, increasing efficiencies and improving quality in support of our customers.

Troemner has the largest collection of mass comparators in the world, and we are constantly purchasing new comparators to keep our capabilities up-to-date to maintain the highest level of precision. Additionally, seven newly acquired robots allow Troemner to provide impeccable service by increasing not only precision, but also efficiency. We also use proprietary software to track the performance of our equipment and standards to assure that our calibration system is in control. Magnetic permeability testing and magnetic susceptibility testing are incorporated into our processes and utilize a susceptometer.

Accreditation ISO/IEC 17025, Accredited by NVLAP*

Laboratory Scope From 1 mg to 1000 kg (0.000035 oz to 3000 lb) with capabilities from 0.050 mg to 5000 lb

Weights Serviced
  • Precision Weights
  • Test Weights
  • Custom Weights
  • Education Weights
Service Levels
  • ISO 17025, NVLAP Accredited Certificates of Mass Calibration
  • ISO 17025, NVLAP Accredited Calibrations for Mass Value
  • Density Determination
  • Magnetic Susceptibility Determination

* NVLAP Lab Code 105013-0

Weight Uncertainties Chart

View Troemner's weight uncertainties through our range of masses and classes.

Weight Uncertainties Chart
Get a Quote

Get a Quote

Contact us to receive a quote for your weight calibration needs.

Reference Library

Reference MaterialsReference Materials

  • Reference Materialstechnicalpapers

    Tolerance Chart

    Troemner's Tolerance Charts (Maximum Permissible Error) as determined by denomination and class.

    PDF - 455KB

  • Reference Materialstechnicalpapers

    Uncertainty Chart

    Uncertainties for NVLAP Accredited Calibrations as determined by denomination and class.

    PDF - 160KB

  • Reference Materialstechnicalpapers

    Certificate Options

    Certificates are designed to provide a range of choices in measurement precision, quality of data, and standards compliance.

    PDF - 85KB

  • Reference Materialstechnicalpapers

    Calibration Laboratories

    Our Calibration System: our philosophy, facilities, personnel, equipment and standards.

    PDF - 304KB

  • Reference Materialstechnicalpapers

    Selecting Weight Classes

    In order to select the appropriate weight for your laboratory, you must first determine exactly how you intend to use the weight.

    PDF - 151KB

  • Reference Materialstechnicalpapers

    Weight Specifications

    Weights are manufactured to meet or exceed the highest tolerance standards for ANSI/ASTM, OIML and NIST.

    PDF - 60KB

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Technical Papers Technical Papers

  • Technical Paperstechnicalpapers

    Cal-Paks & USP 41

    Troemner Cal-Paks™ are the ideal weight sets to meet the required revisions to USP 41.

    PDF - 2.8MB

  • Technical Paperstechnicalpapers

    Magnetic Susceptibility

    This report is a comparison of susceptibility results by three different laboratories.

    PDF - 2.8MB

  • Technical Paperstechnicalpapers

    Advantages of Alloy 8

    Troemner’s Alloy 8 Stainless Steel has extremely low magnetic properties and a more consistent density.

    PDF - 4.2MB

  • Technical Paperstechnicalpapers

    Calibration Intervals

    Determining the calibration interval requires examination of the weight over time and its processes.

    PDF - 3.5MB

  • Technical Paperstechnicalpapers

    Mass Magnetic Properties

    Using a susceptometer to determine the magnetic properties of a 1 kg mass standard.

    PDF - 2.5MB

  • Technical Paperstechnicalpapers

    Alloy 8 Material

    How to distinguish Alloy 8 Stainless Steel precision weight material.

    PDF - 2.2MB

  • Technical Paperstechnicalpapers

    Cal-Paks

    Troemner’s Cal-Paks™ consist of high quality precision mass standards with low measurement uncertainties.

    PDF - 2.6MB

  • Technical Paperstechnicalpapers

    NIST Handbook 105-1

    Specifications and tolerances for reference standards and field standard weights and measures.

    PDF - 277KB

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LiteratureLiterature

  • Literaturetechnicalpapers

    WC+A Catalog

    WC+A Weight Case and Accessory Catalog includes weight cases, custom carts, and weight accessories.

    PDF - 3.2MB

  • Literaturetechnicalpapers

    Weights & Accessories Catalog

    Comprehensive Weight Catalog includes our complete line of weight styles, cases and accessories.

    PDF - 3.9MB

  • Literaturetechnicalpapers

    Calibration Services Guide

    Complete Calibration Service information including laboratory scope, devices serviced, personnel and processes.

    PDF - 1MB

  • Literaturetechnicalpapers

    Weight Guide

    The Weight Guide offers an overview of our weight product offering. Also included are certificate options and descriptions.

    PDF - 2.2MB

  • Literaturetechnicalpapers

    Cal-Pak Sell Sheet

    Essential information about Troemner Cal-Paks™, accessories, and traceability.

    PDF - 1MB

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