Reading MicroscopeJC-10 JC4-10 Use Portable measuring reading microscope simple structure, easy to use, can be determined distance, groove width and groove distance, keyway width slit dents, the workpiece width, length, surface quality of metal, fiber, fabric density, such as field samples.　　 The apparatus is particularly suitable for measuring Brinell, Rockwell and Vickers hardness test indentation size. Lighting The apparatus employs advanced LED lighting systems, lighting in the field or inconvenience the use of the site. Specification Model No. JC-10 JC4-10 Total magnifications 20× 40× Eyepiece magnifications 20× 20× Object magnifications 1× 2× Reticle-foot lattice value (㎜) 1 0.5 Eyepiece grid reticle few feet 8 4 Effective measurement range (㎜) 0～6 0～4 Micrometer drum Min. reading (㎜) 0.01 0.005 Net weight (㎏) 0.5