GSO ISO 20654:2021

ISO 20654:2017
Gulf Standard   Current Edition · Approved on 01 July 2021

Graphic technology — Measurement and calculation of spot colour tone value

GSO ISO 20654:2021 Files

GSO ISO 20654:2021 Scope

ISO 20654:2017 defines a metric for assessing intermediate tones of a spot ink. This method for the calculation of Spot Colour Tone Value (SCTV) produces approximately uniform visual spacing of tones between substrate and solid. It can be calculated from spectral reflectance or colorimetric measurements of the solid ink, substrate and one or more patches of intermediate tones to be measured.

Best Sellers From Metrology Sector

GSO OIML R87:2021
OIML R87:2016 
Gulf Standard
Quantity of product in prepackages
GSO OIML R79:2021
OIML R79:2015 
Gulf Standard
Labeling requirements for prepackages
GSO OIML R 76-1:2009
OIML R 76-1:2006 
Gulf Standard
Non-automatic weighing instruments – Part 1: Metrological and technical requirements - Tests
GSO OIML R111-1:2007
OIML R111-1:2004 
Gulf Standard
Weights of classes E1, E2,F1,F2,M1,M1-2,M2,M2-3 and M3 Part 1: Metrological and Technical requirements

Recently Published from Metrology Sector

GSO ASTM E230/E230M:2026
ASTM E230/E230M:23a 
Gulf Standard
Standard Specification for Temperature-Electromotive Force (emf) Tables for Standardized Thermocouples
GSO ISO 6142-2:2026
ISO 6142-2:2024 
Gulf Standard
Gas analysis — Preparation of calibration gas mixtures — Part 2: Gravimetric method for Class II mixtures
GSO IEC 62127-2:2026
IEC 62127-2:2025 
Gulf Standard
Ultrasonics - Hydrophones - Part 2: Calibration for ultrasonic fields
GSO ISO 10140-4:2026
ISO 10140-4:2021 
Gulf Standard
Acoustics — Laboratory measurement of sound insulation of building elements — Part 4: Measurement procedures and requirements