... data storage Equipment function The roll gap measuring instrument can read the distance between the roll ... data transfer, storage. Equipment type:ZYT-SQF Instrument features 1.Electronic digital display 2.Accuracy of ... (20mm ~-20mm) C Rod: 230 (20mm ~-20mm)Measuring direction: the driving motivation of any measure: <1. ... power key[ON / OFF] 6, France guide wheel 7, the next contact 8, rod prepared by ...