National Metrological Technical Specifications of the People's Republic of China
Replace
JJF(纺织)021-2006
Scope
This specification applies to the calibration of fabric yarn length measuring instruments and similar fabric yarn length measuring instruments (hereinafter referred to as yarn length measuring instruments) that are newly manufactured, used for the first time, in use and after repair.
JJF(纺织) 021-2013 Referenced Document
GB/T 29256.3-2012 Textiles.Woven fabrics.Construction.Methods of analysis.Part 3: Determination of crimp of yarn in fabric
GB/T 29256.5-2012 Textiles.Woven fabrics.Construction.Methods of analysis.Part 5:Determination of linear density of yarn removed from fabric
JJF 1059.1-2012 Evaluation and Expression of Uncertainty in Measurement