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NIST Traceability: Ensuring Precision in Measurements

As the legally established National Standards Laboratory, The National Institute of Standards and Technology (NIST)'s responsibility extends to developing, maintaining, and safeguarding national standards of measurement. This ensures that measurements made in the United States are consistent with these standards, as well as with those of other nations through a meticulous documentation of the measurement process that connects various calibrations back to a specified reference standard.
 
Here's a breakdown of key points about NIST traceability:
  • NIST's Role: NIST maintains national standards for the seven base units of the International System of Units (SI), governed by standards such as ISO/IEC 17025.
  • Traceability in Calibrations: A NIST traceable calibration involves maintaining a comprehensive record of the measurement process, connecting a series of calibrations back to the specified reference standard in accordance with NIST Special Publication 250.
  • Tektronix Calibrations: Calibrations performed by Tektronix within the United States are NIST traceable, in compliance with ISO 9001 and ISO/IEC 17025. These calibrations are conducted in accordance with NIST standards to ensure precision in measurements.
  • International Calibrations: Calibrations completed outside the United States are traceable to the relevant national metrology institute, adhering to international standards such as ISO/IEC 17025.

Read more about the NIST Policy on Traceability

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Metrological Traceability

Metrological traceability refers to the measurement result which can be related through an unbroken chain of calibrations, including measurement uncertainty determination, to specified references. It is a basic assurance that a relationship exists between the measurement results of a measurement instrument and the value of a measurement standard. Tektronix standards are traceable directly to the SI Units | NIST, which is the most widely used international system of measurement responsible for defining the meter, kilogram, second, ampere, kelvin, mole, and candela.

NIST Calibration

How Traceability Impacts Global Markets

Traceability of measurement results to the SI makes it possible to achieve the accuracy, precision and interchangeability required for global trade markets. To deliver truly standardized components, industry depends upon reliable and consistent measurements that are traceable to a recognized measurement system such as the International System of Units.

ISO Compliance

Traceability is particularly important to companies that must comply with or follow the requirements of International Organization for Standardization (ISO) standard(s). ISO requirements often require that test, measurement and control equipment be traceable to recognized national or international standards. Other organizations may voluntarily follow the requirements of ISO so that they can claim ISO compliance for their product. This compliance is normally an indication of an organization’s commitment to service and/or quality.

 

Calibration Capabilities

We provide calibration for a wide variety of instruments from countless brands and are experts in calibration for a diverse breadth of industries.

 

Calibration Service Levels

Our standard and accredited calibration service options are designed to meet your specific quality requirements.

 

Service Delivery Options

We offer local pickup and delivery, periodic onsite, and permanent onsite calibration.

Choose Tektronix for all your calibration needs

  • Calibration services for equipment from 9,000-plus manufacturers—far more than just Tektronix!
  • Extensive global service network—more than 100 points of service.
  • Superior quality—181 ISO/IEC 17025:2017 accreditation parameters.
  • 1,100-plus associates—highly skilled technicians and sales representatives.