lCompliant with standards：ASTM D130, D1838, D4048, GB/T 5096, ISO 2160

lCan eliminate the result deviation caused by the operator

lStandardization of light sources can be achieved, reducing visual deviation of light sources

lDigital data records can be created, and the results can be retained and traced

lTouch screen operation can enlarge the copper film image

lCan integrate LIMS function