Softline On-site Test-GSM Check Leave a Comment / Watch Our Latest Videos / By Branding Manufacturing Services GSM Check Softline On-site Test Video GSM stands for Grammes per Square Meter. Here is a video of how GSM test is being conducted during an inspection on-site. #product inspection #on-site test #softline Cut the fabric via fabric cutting machine.Use electronic balance to weigh the cut fabric.Record the data from balance.GSM = Record data x 100. Post Views: 1,561