SIST ISO 14807:2011 PDF

Name: SIST ISO 14807:2011 — Photography - Transmission and reflection densitometers - Method for determining performance
SKU: SIST ISO 14807:2011
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Photography - Transmission and reflection densitometers - Method for determining performance

Название (английский):

SIST ISO 14807:2011

Photography - Transmission and reflection densitometers - Method for determining performance

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 16
Дата публикации:: 8 июня 2011 г.
ICS:: 37.040.10
Технический комитет:: GRT - Graphical technology

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Описание (английский):

This International Standard defines a common set of reporting parameters and describes the methods to be used in the determination and presentation of individual densitometer performance and manufacturer-reported performance specifications. This International Standard applies to transmission and reflection densitometers typically manufactured for and used by the photographic, graphic arts and radiographic trades.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

ISO 14807:2001 - "Photography - Transmission and reflection densitometers - Method for determining performance" defines a common set of reporting parameters and prescribes methods to determine and present densitometer performance. It applies to both transmission and reflection densitometers typically used in photography, graphic arts and radiography. The standard standardizes how manufacturers and users evaluate and report three core performance characteristics: ISO repeatability, ISO stability and ISO bias estimate.

Key topics and requirements

Scope and applicability: Targets densitometers used in photographic, graphic arts and radiographic trades and establishes uniform reporting parameters.

Performance characteristics:

ISO repeatability - closeness of agreement under repeatability conditions (same procedure, instrument, operator, environment, short time).
ISO stability - ability of an instrument to maintain metrological characteristics over time (standard includes both 8-hour and 7-day stability determinations).
ISO bias estimate - estimate of systematic error (bias) of the instrument; the standard notes limitations in averaging bias across models.

Sampling and handling: Instruments evaluated must be stored, handled and operated per manufacturer instructions; deviations must be documented. Manufacturers should use statistically valid sampling when deriving typical performance specifications.

Measurement and reporting methods: Detailed procedures for repeatability, stability and bias determination and standardized reporting formats for:

individual instrument performance (repeatability, stability, bias)
manufacturer-reported performance specifications (average/typical repeatability and stability)

Traceability and metrology terms: Uses internationally-accepted metrology definitions (VIM), and emphasizes calibration, reference/certified reference materials and uncertainty concepts.

Practical applications

Enables objective comparison of densitometers across manufacturers by standardizing test methods and reporting.

Helps manufacturers produce defensible performance specifications for product datasheets (typical repeatability and stability).

Assists calibration laboratories and quality managers in verifying instrument performance and establishing traceability.

Useful for photographic labs, prepress/graphic arts facilities and radiography departments that require reliable density measurements for process control, QC and archival imaging.

Related standards

Normative references in ISO 14807 include:

ISO 5-1, ISO 5-2, ISO 5-3, ISO 5-4 (Photography - Density measurements parts 1–4)

ISO 554 (Standard atmospheres for conditioning/testing)

Keywords: ISO 14807, densitometer performance, transmission densitometer, reflection densitometer, repeatability, stability, bias estimate, photographic metrology, calibration, traceability.

SIST ISO 14807:2011 PDF

Abstract

Похожие стандарты

Overview

Key topics and requirements

Practical applications

Who should use this standard

Related standards

Технические детали

ISO 14807:2001

Photography — Transmission and reflection densitometers — Method for determining performance

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