BC156-300型比長(zhǎng)儀
MODEL BC156-300 LENGTH COMPARATOR
用于按GB751、JC313、JC453、GB/T750、JC476等國(guó)家標(biāo)準(zhǔn)的要求測(cè)定水泥試件各齡期的干縮率或膨脹率。
Conforming with GB751, JC313, JC453, GB/T750, JC476 standard to determine the drying shrinkage and the percentage of cement specimen.
主要技術(shù)參數(shù) Main specifications:
1. 百分表或千分表最小刻度值--------------- 0.01mm divisions or 0.001mm
Dial gauge graduated in
2. 有效試驗(yàn)空間高度---------------------------156-300 mm
Effective height
3. 儀表測(cè)點(diǎn)與下支承孔同軸度-------------- 0.25 mm
Axiality