CHINA QXD-25 zirconia ceramic fineness gauge double-channel Fineness gauge 0~25μm
SE
double-channel0~25μm
Double-channel, zirconia ceramic material, suitable for heavy corrosion materials, range 0-25μm, Graduation 1.25μm, there are three units of μm, Hegman, mils, groove size 140 × 12.5mm.