VGOTECH DRAPE METER

1.      Take an ammonia paper from its package and find its mass in grams correct to two decimal places. Measure its dimensions in centimeters to the nearest millimeter and find its area. From the values of the mass and area, calculate the mass of the paper in grams per square centimeters.

2.      Open the door of the exposure chamber. Raise the hinge dacrylic sheet. Place the ammonia paper, coated face up, Over the resilient foam sheet, Lower the acrylic sheet so that its firmly over the paper.  Ensure that the paper. Ensure that the paper lies flat and is free of any fold or crease.

3.      Remove the test specimen holder from the specimen support. Remove one test specimen from the conditioning chamber and place it over the lower disc of the specimen holder, with the screw on the disc passing through the hole in the specimen. Place the upper disc of the specimen holder over the lower disc. Ensure that the small marks on the surface of the test specimen lie at the periphery of the upper disc. If not, adjust the position of the test specimen by pulling till all the six holes lie at the periphery of the upper disc. of the specimen holder. Tighten the knurled nut to hold the two discs together. Lift the test specimen holder from the knurled nut and briskly move the test specimen up and down ten times, resting it on the table momentarily after each no and down movement in order to allow the fabric  to orient itself freely and draps into its natural folds.

4.      Place the test specimen holder over the specimen support such that the pin on the specimen supports site inside the hole in the screw of the specimen holder.

5.      Switch on the lamp. Note the time at which the lamp has been switched on, Allow the paper to get exposed for a period of ten to twelve minutes.

Additional Information:

• Production Capacity: 100
• Delivery Time: 10DAYS
• Packaging Details: GOOD