ISO 3611:2023

Name: ISO 3611:2023 — Geometrical product specifications (GPS) — Dimensional measuring equipment — Design and metrological characteristics of micrometers for external measurements
SKU: ISO 3611:2023
Price: 25200 RUB
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Geometrical product specifications (GPS) — Dimensional measuring equipment — Design and metrological characteristics of micrometers for external measurements

Название (английский):

ISO 3611:2023

Geometrical product specifications (GPS) — Dimensional measuring equipment — Design and metrological characteristics of micrometers for external measurements

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 14
Дата публикации:: 16 мая 2023 г.
Издание:: ISO IS 3611 edition 3 version 1
ICS:: 17.040.30

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Описание (английский):

This document provides the most important design and metrological characteristics of micrometers for external measurements: — with analogue indication; — with digital indication: mechanical or electronic digital display.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

ISO 3611:2023 - Geometrical product specifications (GPS) for dimensional measuring equipment - defines the key design and metrological characteristics of micrometers for external measurements. The standard covers micrometers with analogue and digital indication (mechanical or electronic displays), and specifies important design elements, test methods and classification rules to support reliable measurement, calibration and conformity assessment.

Key Topics and Requirements

Design characteristics

General design and nomenclature follow ISO 14978 guidance (frame, spindle, anvil, measuring faces, thimble, sleeve, fiducial line).
Typical dimensions and measuring spans (usually 25 mm; other spans possible) and important accessory interface dimensions.
Frame rigidity and thermal insulation for handheld use.

Indicating devices

Analogue micrometers: spindle pitch of 0.5 mm or 1 mm; thimble scale intervals representing 0.01 mm; optional vernier for 0.001 mm graduations.
Digital micrometers: mechanical or electronic displays with digital steps of 0.01 mm or 0.001 mm.

Measuring force limiting device

Mandatory provision of a force-limiting device (e.g., ratchet or friction) integrated in the thimble or fast drive.

Metrological characteristics & test methods

Rated operating conditions, reference point definitions, test methods for length measurement error (E) and variation in length measurement error (V), including test point selection and use of optical parallels.
Requirements for measuring forces, specifications and a classification system of maximum permissible errors (MPE).

Conformity and calibration

Decision rules for conformity (alignment with ISO 14253 series), treatment of measurement uncertainty, marking and calibration guidelines (see Annex A).

Informative annexes

Calibration guidelines, practical usage notes, and relationship with the GPS matrix model (ISO 14638).

Applications and Users

ISO 3611:2023 is used by:

Micrometer manufacturers for design and product specifications.

Calibration laboratories and metrology labs for setting test routines and reporting uncertainty.

Quality and inspection engineers in aerospace, automotive, precision engineering and manufacturing for equipment procurement, periodic verification and in-process inspection.

Standards bodies and conformity assessment organizations implementing GPS-based inspection rules.

Practical uses include device selection, design verification, calibration procedure development, conformity assessment and training in dimensional measurement best practices.

Related Standards

ISO 14978:2018 (GPS measuring equipment concepts)

ISO 14253-1, -5, -6 (decision rules and uncertainty in inspection)

ISO/IEC Guide 98-3 (GUM - uncertainty)

ISO/IEC Guide 99 (VIM - metrology vocabulary)

Keywords: ISO 3611:2023, micrometers for external measurements, GPS, dimensional measuring equipment, metrological characteristics, analogue micrometer, digital micrometer, measuring force limiting device, calibration, maximum permissible error.

ISO 3611:2023

Abstract

Похожие стандарты

Overview

Key Topics and Requirements

Applications and Users

Related Standards

Технические детали

ISO 14978:2018

Geometrical product specifications (GPS) — General concepts and requirements for GPS measuring equipment

SIST EN ISO 14978:2019

Geometrical product specifications (GPS) - General concepts and requirements for GPS measuring equipment (ISO…

SIST EN ISO 14253-1:2018

Geometrical product specifications (GPS) - Inspection by measurement of workpieces and measuring equipment -…

BS EN ISO 14638:2015

Geometrical product specifications (GPS). Matrix model.