标准砝码 meaning in English

standard test weight
standard weights
weight standard

Standard guide for evaluating , selecting , and specifying balances and standard masses for use in soil , rock , and construction materials testing
评定选择和规范土壤岩石及结构材料试验用天平和标准砝码的标准指南
As weights of higher class require use of standards of higher accuracy and more elaborate calibration procedures , calibration charge will be higher
由于较高级别的砝码须使用较准确的标准砝码及较复杂的校正程序，因此校正收费会较高。
And lower from 20 kg to 50 kg . the classification of weights depends on their maximum permissible errors ( refer to the following table ) , shape , material , construction and surface finish , as described in the international recommendation r111 - ( weights of classes e
本所可为由1毫克至10千克的国际法制计量组织( internationalorganisationoflegalmetrology ) ( oiml ) e2级别及以下的标准砝码及20千克至50千克的f1级别及以下的标准砝码提供校正服务。