A. Description of use This instrument is suitable for textile mills, knitting factories, scientific research units to determine the warp, weft and density of various fabrics. Second, the main specifications 1, the magnification of the magnifying glass: 10 times for the following 60 fabrics 20 times for more than 60 counts of fabric 2, lens movement range: metric 0 ~ 5CM imperial 0 ~ 2 when 3, Dimensions: length 100 X width 54 X height 36 Weight: 260 grams net weight of the instrument Total weight (including box) 420 grams Three, random supply parts 1. Density analysis mirror: 1 set 2, another ten times the lens: 1 3, vernier glass: 2 pieces 4, metal box: 1 5, manual: 1 copy Four, use method 1.According to the predicted number of fabric, selected lens magnification installed in the eyepiece frame of the instrument 2, according to the fabric color, determine the color of the selected vernier glass, choose one of the three colors, easy to test the count. V. Maintenance 1, often keep the instrument, the lens blurred, the application of regular lens paper regular wipe, avoid touching with hands and other objects collision 2, the bottom of the instrument two screw tip, reveal the bottom plane, in order to use when inserted into the fabric, limit the movement, so should always Gross weight 0.5KG