BS ISO 3058-1998 无损试验.目测检验辅助设备.低倍放大镜的选择

标准号：BS ISO 3058-1998
中文标准名称：无损试验.目测检验辅助设备.低倍放大镜的选择
英文标准名称：Non-destructive testing - Aids to visual inspection - Selection of low-power magnifiers
标准类型：H26
发布日期：1998/5/15 12:00:00
实施日期：1998/5/15 12:00:00
中国标准分类号：H26
国际标准分类号：19.100
适用范围：1 This International Standard specifies the characteristics of the following types of low-power magnifiers and gives recommendations for their selection for the inspection of surfaces. — Single-element magnifiers of magnification typically up to ×4 (Type A). — Multi-element magnifiers of magnification typically up to ×10 (Type B). — Twin-system magnifiers of magnification typically up to ×15 (Type C), categorized as follows: a) binocular, normally with a long working distance (Type C.1); b) bi-ocular