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Atmospheric condition:• Relative Humidity:65%• Temperature:20◦C(68 ◦F)• Tolerance Zone: Relative Humidity :±4% Temperature:±2◦C• Preconditioning: Relative Humidity:25% Temperature:50◦C(122◦F) Time: 4hrsN.B: According to ISO139:2005(E)
Fabric Length
Measurement Process Flow: A Wide Table which can accommodate the
open cloth width with one edge graduated
One trial measurement before conditioned
Marks are made on the selvedge at 5yds intervals (for fraction of 5yds measured at the end is measured nearest .5’’)
leaving 24hrs testing atmosphere again measured.If changes <0.25% second measurement is
appropriateSome fabrics may recover more than .25% in the
first 24hrs. They are left for a further 24hrs and remeasured and repeated until <0.25%change of previous. Then final measurement is taken
Continuous Measurement of width
By Jiewertz design Process• On running fabric using one pair of
photoelectric cell at each selvedge through scanning edge.
• Detecting changes in width.• Signals are translated into cloth width.
indicated on meter or recorded on a chart.• Accuracy ±.3cm accepted.