GSO ISO 33401:2025

ISO 33401:2024
Gulf Standard   Current Edition · Approved on 14 October 2025

Reference materials — Contents of certificates, labels and accompanying documentation

GSO ISO 33401:2025 Files

English 10 Pages
Current Edition Reference Language
USD 85.48

GSO ISO 33401:2025 Scope

This document is intended to help reference material producers (RMPs) in preparing clear and concise documentation to accompany a reference material (RM). It lists and explains mandatory, recommended and other categories of information to be considered in the preparation of product information sheets and RM certificates. This information can be used by RM users and other stakeholders in confirming the suitability of an RM or certified reference material (CRM).

This document also contains the minimum requirements for a label attached to the container of an individual RM unit.

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 ISO 7963:2026
ISO 7963:2022 
Gulf Standard
Non-destructive testing — Ultrasonic testing — Specification for calibration block No. 2
GSO ISO/TS 21236-2:2026
ISO/TS 21236-2:2021 
Gulf Standard
Nanotechnologies — Clay nanomaterials — Part 2: Specification of characteristics and measurements for clay nanoplates used for gas-barrier film applications