To testing the yarn twist of roving .
Specifications:
Testing method: Direct “untwist" method
Testing Length Range: 0~300mm
Measuring Range: 1~500
External Dimensions:600*120*220mm (L*W*H)
Standard: GB/T2543.1 GB/T2543.2 ISO2061 17202 BS2085 ASTM D1422 ,1423
Accessories: magnifying glass , Analysis needle

