SIST EN ISO 376:2012 PDF

Name: SIST EN ISO 376:2012 — Metallic material - Calibration of force-proving instruments used for the verification of uniaxial testing machines (ISO 376:2011)
SKU: SIST EN ISO 376:2012
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Metallic material - Calibration of force-proving instruments used for the verification of uniaxial testing machines (ISO 376:2011)

Название (английский):

SIST EN ISO 376:2012

Metallic material - Calibration of force-proving instruments used for the verification of uniaxial testing machines (ISO 376:2011)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 38
Дата публикации:: 19 декабря 2011 г.
ICS:: 77.040.10
Технический комитет:: PKG - Testing of metallic materials

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Описание (английский):

ISO 376:2011 specifies a method for the calibration of force-proving instruments used for the static verification of uniaxial testing machines (e.g. tension/compression testing machines) and describes a procedure for the classification of these instruments. It is applicable to force-proving instruments in which the force is determined by measuring the elastic deformation of a loaded member or a quantity which is proportional to it.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

EN ISO 376:2011 (ISO 376:2011) specifies a standardized method for the calibration of force‑proving instruments used to perform the static verification of uniaxial testing machines (for example, tension and compression testing machines). The standard covers instruments that determine force by measuring the elastic deformation of a loaded member (or a quantity proportional to that deformation) and defines procedures for calibration, classification and use.

Key topics and requirements

Scope and principle

Applies to force‑proving instruments where force is inferred from elastic deformation.
Calibration is performed by applying known forces and recording the indicator output as an integral part of the assembly.

Instrument identification and characteristics

Unique identification of all elements (manufacturer, model, serial number) and indication of maximum working force for the transducer.
Loading fittings and transducer design must ensure axial application of force in tension/compression.

Measurement system and indicators

Deflection measurement may be mechanical, electrical, optical, etc.; the method affects allowable interpolation and classification.
Rules for replacing indicators without full recalibration (traceable electrical calibration, compatible excitation, and limited additional uncertainty).

Calibration procedures and tests

Options for calibration with reversible (increasing/decreasing) forces or with increasing forces only - influencing whether hysteresis or creep tests are required.
Preliminary checks such as overload tests, verification of axial loading, and (optionally) variable voltage tests for electrically excited instruments.

Performance metrics and errors

Definitions and symbols for repeatability, reproducibility, interpolation error, zero error, reversibility, creep and resolution (see Clause 4 and Table 1).
Annex C provides guidance on measurement uncertainty of calibration and subsequent use.

Applications and who uses this standard

Calibration and testing laboratories performing verification of uniaxial testing machines.

Manufacturers of force transducers, force‑proving instruments and calibration equipment.

Quality, test and R&D engineers in metallurgical, aerospace, automotive and materials testing sectors.

Accreditation bodies and laboratories applying ISO/IEC 17025 for traceable calibration services.

Maintenance teams ensuring test-machine verification and compliance with traceability and uncertainty requirements.

SIST EN ISO 376:2012 PDF

Abstract

Похожие стандарты

Overview

Key topics and requirements

Applications and who uses this standard

Related standards and documents

Технические детали

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