ISO 7921:2024
International Standard
Current Edition
·
Approved on
09 February 2024
Ophthalmic optics and instruments — Near reading charts
ISO 7921:2024 Files
English
8 Pages
Current Edition
80.84 USD
ISO 7921:2024 Scope
This document applies to printed, projected, and electronic displays of high-contrast text that are designed for assessment and measurement of near reading acuity under photopic conditions.
The definitions and requirements of this document apply to the Latin alphabet.
Best Sellers
GSO 150-2:2013
Gulf Standard
Expiration dates for food products - Part 2 :
Voluntary expiration dates
YSMO GSO 150-2:2020
GSO 150-2:2013
Yemeni Technical Regulation
Expiration dates for food products - Part 2 :
Voluntary expiration dates
YSMO GSO 2055-1:2020
GSO 2055-1:2015
Yemeni Standard
HALAL FOOD - Part 1 : General Requirements
GSO 2055-1:2015
Gulf Technical Regulation
HALAL FOOD - Part 1 : General Requirements
Recently Published
ISO 6182-18:2025
International Standard
Fire protection — Automatic sprinkler system — Part 18: Requirements and test methods for flexible sprinkler hose
ISO 8426-1:2025
International Standard
Hydraulic fluid power — Determination of derived displacement of positive displacement pumps and motors — Part 1: Two-step Toet method
ISO 21121:2025
International Standard
Spices and condiments — Dried lime (whole, slices and ground) — Specification
ISO 15614-2:2025
International Standard
Specification and qualification of welding procedures for metallic materials — Welding procedure test — Part 2: Arc welding of aluminium and its alloys