CHINA QXD-50 Zirconia Ceramic Fineness gauge double-channel Fineness gauge 0~50μm
SE
double-channel0~50μm
Double-channel, zirconia ceramic material, suitable for heavy corrosion materials, range 0-50μm, Graduation 2.5μm, there are three units of μm, Hegman, mils, groove size 140 × 12.5mm.