ASTM E617-23

Standard Specification for Laboratory Weights and Precision Mass Standards

ASTM International , 08/15/2023

Publisher: ASTM

File Format: PDF

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Description

Standard By:ASTM International , 08/15/2023

Published:08/15/2023

Pages:16

File Size:1 file , 370 KB

Language:English

Note:This product is unavailable in Russia, Ukraine, Belarus

1.1This specification covers weights and mass standards used in laboratories, specifically classes 000, 00, 0, 1, 2, 3, 4, 5, 6, and 7. This specification replaces National Bureau of Standards Circular 547, Section 1, which is out of print.

1.2This specification and calibration method is intended for use by weight manufacturers, national metrology institutes, weight calibration laboratories, accreditation bodies, users of weights, and regulatory bodies.

1.3This specification contains the principal physical characteristics and metrological requirements for weights that are used.

1.3.1For the verification of weighing instruments;

1.3.2For the calibration of weights of a lower class of accuracy; and

1.3.3With weighing instruments.

1.4Maximum Permissible Errors (formerly tolerances) and design restrictions for each class are described in order that both individual weights or sets of weights can be chosen for appropriate applications.

1.5Weight manufacturers must be able to provide evidence that all new weights comply with specifications in this standard (for example, material, density, magnetism, surface finish, mass values, uncertainties) to make any claim of compliance to Specification E617, Maximum Permissible Errors, weight classes, or metrological traceability.

1.5.1During subsequent calibrations, calibration laboratories must meet the requirements of ISO/IEC 17025:2017.

1.5.2Subsequent calibrations must meet all the requirements, including Sections 7, 8, and 9, Table 8 and Table 11 (environmental parameters) to make any claim of compliance to Specification E617, Maximum Permissible Errors, weight classes, or metrological traceability.

Note 1:Requirements set forth in NIST IR 6969 and NIST IR 5672 are compliant with all the requirements of Specification E617, Sections 7, 8, and 9.

1.6The values stated in SI units are to be regarded as standard.

1.7This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

ASTM E617-23

Standard Specification for Laboratory Weights and Precision Mass Standards

ASTM E617-23 History

ASTM E617-23

ASTM E617-18

ASTM E617-13

ASTM E617-97(2008)

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