613-925-5934
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    Why Measurements International?

    Why Choose Measurements International?

    At Measurements International (MI), we deliver unmatched precision and reliability in electrical metrology and transformer loss measurement—solutions trusted by the world’s leading National Measurement Institutes (NMIs) and hundreds of top-tier calibration laboratories.

    Our cutting-edge systems cover everything from resistance, voltage, and current calibration to high-voltage transformer testing, providing the essential traceability, repeatability, and automation that today’s scientific research, energy infrastructure, and global trade demand.

    Whether you operate a calibration lab, test facility, or manufacture power equipment, MI stands as your dependable partner for achieving ultra-precise, standards-compliant measurements—delivering confidence and consistency in every test.
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    AccuLoss® Series of Transformer Loss Measurement System

    • Performance of Load and No
      Load Loss Measurements
    • Heat Run Test
    • Induced Voltage Test
    • Zero Sequence
      Impedance Measurement
    • Manual and Auto-ranging
    • Automatic Calculation & Display of Power Measurement
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    6020A DCC Ratio Bridge

    • 6020A Resistance Ratio Bridge
    • Next Generation Bridge
    • NEW Micro-Controller for improved speed and functionality
    • NEW capacitive touchscreen with enhanced design and easy-to-use operation
    • Best Accuracy < 0.025 µΩ/Ω
    • Maximum Ratio 14:1
    • IEEE488.2 Standard
    • System Integration with Measurements International (MI) Matrix Scanners and High-Current Range Extenders
    • NEW Zero Filter
    • NEW 1 kHz Sample Rate
    • NEW Selectable Settle Time & Measurement Time
    • NEW MI Software Package
    • Two Selectable Measurement Algorithms
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    7070A AC Ratio Bridge

    • Calibration of Voltage and Current Transformers from a Single Instrument
    • Calibration of Instrument Transformers with Different Rated Ratios Using One Single Reference Standard
    • Test Frequency from 15 to 100 Hz
    • Calibration of CT Up to 10000 A
    • Calibration of VT Up to 800 kV
    • Short Measurement Times with High Accuracy and Low Inherent Burdens
    • Accurate Ratio Measurements of Two AC Signals – White Paper
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    AccuBridge® 6020T Series

    6020T – Premium Automated Thermometry Bridge

    • 0.01 Ω to 100 kΩ Range
    • Front Panel Channel Scanner
    • Accuracy < 15 × 10-9
    • Linearity < 5 × 10-9

    6020T – Base Automatic Temperature Secondary Bridge – 14:1 Ratio

    • 0.01 Ω to 100 kΩ Range
    • Front Panel 6-Channel Scanner
    • Keep Warm Currents
    • Best Accuracy < 7 × 10-8
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    About Measurements International

    Measurements International (MI) is a global leader in the design and manufacture of ultra-precise electrical metrology and transformer loss measurement systems. Since our founding almost 40 years ago, MI has been dedicated to advancing the science of electrical measurement and supporting the world’s most demanding calibration and testing applications.

    Starting as a small innovator focused on solving complex metrology challenges, MI quickly earned a reputation for technical excellence and reliability. Today, our products and services are trusted by the majority of National Measurement Institutes (NMIs) and hundreds of primary standards laboratories worldwide. As well as Transformer Manufacturers worldwide. Our solutions have become integral to national and international measurement infrastructure, supporting critical sectors such as scientific research, energy infrastructure, aerospace, and trade compliance.

    Over the decades, MI has consistently invested in research and development, introducing cutting-edge innovations like high-accuracy self-balancing bridges, temperature-controlled artifact calibrators, and fully automated transformer loss measurement systems. This continuous innovation, combined with a commitment to customer support and quality, has positioned MI as the preferred partner for laboratories, manufacturers, and utilities seeking traceable, repeatable, and reliable measurements.

     

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    1-800-324-4988

    Mail Us

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    Our Core Values

    Measurements

    Measurements are the foundation for all we do.

    Accuracy

    Accuracy is the heart of our company. We are continuously moving forward, innovating, and improving.

    Courage

    Courage means we are entrepreneurial and thus take risks in design to advance the science.

    Quality

    Quality defines our company and the products we produce.

    Why Measurements International?

    Measurements International (or simply MI) specializes in providing products and services in two different and key areas: electrical metrology and electrical power transformer testing.

    Widely acknowledged as the preferred provider of electrical metrology products and services, MI is used by the majority of National Measurement Institutes as well as hundreds of industrial primary standards laboratories worldwide. These permit the international community to support worldwide scientific research, as well as critical trade and commerce. Specialized in creating and supporting traceability to the international standards for resistance and voltage for electrical metrology, MI is the proven and preferred supplier of these tools.

    With nearly 40 years of company experience, MI’s technologists, including engineers and technicians themselves, have significant years of experience in this field of metrology and instrumentation. This uniquely offers users unsurpassed confidence in their quality of measurement, its’ consistency over time, and confidence in its traceability to international scientific standards.

    Call Us

    1-800-324-4988

    Mail Us

    sales@mintl.com
    READ MORE

    Latest Products

    August 15, 2025

    6020T

    The all-new 6020T replaces all previous Temperature Bridges from Measurements International, improving on both performance and ease of use. Combining ultra-fast speed, exceptional measurement precision, and effortless data integration, the 6020T sets a new benchmark in thermometry. Its advanced ampere-turn sensitivity and innovative voltage feedback circuitry significantly reduce linearity error, enhancing measurement confidence and repeatability. With a broad ratio range from 0.1 to 14, the 6020T offers the flexibility and performance required for today’s most demanding applications. Whether you’re conducting critical research or calibrating standards, the AccuBridge® 6020T delivers the accuracy and reliability you need.

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    January 2, 2024

    6020A Automated Resistance Bridge

    The 6020A Resistance Ratio Bridge from Measurements International is the next generation replacement for the world leading 6010 series. Measurements International is pleased to release the next generation room temperature Direct Current Comparator Resistance Ratio Bridge. The model 6020A is the latest in industry leading technology from Measurements International. It continues on the success of the long standing industry chosen 6010 series of Room Temperature Resistance Ratio bridge. The 6020A, developed for the Metrologist, improves upon the 6010 series and brings the technology into the current forward.

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    November 8, 2023

    7070A-UI AC Ratio Bridge

    The model 7070-UI is an AC Ratio Bridge that combines AC current and voltage ratio measurement capabilities. It provides the user with the convenience of one single measuring unit to calibrate VTs and CTs without losing accuracy. Its main application is for VT and CT test sets. The flexibility and high accuracy of this design can be a single instrument solution for multiple measurements at any AC lab.

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    October 31, 2023

    6820T Compact Dry QHR System

    Introducing the Revolutionary MI 6820T QHR System: Your New Intrinsic Resistance Standard in today’s rapidly evolving world, precision and accuracy are paramount, National laboratories and industries around the globe demand reliable, traceable reference standards to ensure the integrity of their measurements. That’s where Measurements International (MI) steps in with the measurement-changing 6820T QHR Table Top System.

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    July 9, 2023

    8110A 10 Volt Reference

    Unlock the potential of precise measurements with our state-of-the-art 8110A 10 Volt Reference. Designed to meet the demanding requirements of Metrologists worldwide, this cutting-edge reference source sets a new benchmark in accuracy, reliability, and versatility.

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