GB/T 21389-2008 in English

《GB/T 21389-2008游标、带表和数显卡尺》由TC132（全国量具量仪标准化技术委员会）归口，主管部门为中国机械工业联合会。
本标准规定了游标卡尺、带表卡尺和数显卡尺的术语和定义、型式与基本参数、要求、试验方法、检验条件、检验方法、标志与包装等。本标准适用于分度值/分辨力为0.01mm、0.02mm、0.05mm和0.10mm，测量范围为（0～70）mm至（0～4000）mm的游标卡尺、带表卡尺和数显卡尺。

Scope

This standard specifies the terms and definitions, forms and basic parameters, requirements, test methods, test conditions, test methods, signs and packaging of vernier calipers, dial calipers and digital calipers. This standard is applicable to vernier calipers, dial calipers and digital calipers with division values/resolutions of 0.01 mm, 0.02 mm, 0.05 mm and 0.10 mm, and measuring ranges from (0 to 70) mm to (0 to 4 000) mm (hereinafter referred to as "Caliper").